- ADD-Engineering BV
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1. e Model Type NM9021 Channel 2 Config uration le Firmware Revision V1 010 ADD Engineering B V e Serial Number 9021000000 e System Uptime 0 05 08 Serial data format Universal Submit Bit Encoding DE Bit Order Lsb first Sync Pattern foooooooo Sync Stripping Stip gt Bit Stuffing Insertion foo gt Frame Size fis Idle State Alternate Checksum Mode oF Synchronous Speed fzo gt Clock Source ExT x Clock Line Inversion Jon Forward Data To Network x Submit Network Encapsulation Format Transparent Submit Network Transport jpo xl Local Port fan Destination Address jooo OOOO Destination Portnumber feooo Save all Main Menu Figure 7 Channel 2 Configuration Serial data format Serial data format type selects the type of protocol for the specific channel After selecting a specific serial data format the user should click on the Submit button in this way the parameters that are of no use for the selected serial data format will be hidden The NETmate provides 4 types of channels Universal Link 1 Link 11B and Transparant e Universal Chapter 4 The standard operating mode used for processing different military protocols e Link 1 The operating mode providing an interface to Link 1 e Link 11B The operating mode providing an interface to Link 11B e Transparent The operating mode that provides a transparant interface from asynchronous to synchronous2. The TxD LED indicates that the transmission of a frame just received or in progress at the synchronous interface side is in progress CTS The CTS LED indicates that the Clear To Send signal on the asynchronous interface side is active thus the system connected to the asynchronous interface side is allowed to submit data RxC The RxC LED is not used in the asynchronous mode TxC The TxC LED is not used in the asynchronous mode ExC The ExC LED is not used in the asynchronous mode Front and back panel 215 16 CH2 group sync mode Chapter 2 The CH2 group in synchronous mode provides information on the synchronous interface side of the NETmate RxD The RxD LED indicates that reception of a frame is in progress TxD The TxD LED indicates that a transmission of a frame is in progress CTS The CTS LED indicates the state of the Clear To Send signal In case the CTS LED is off the NETmate will not transmit frames through the synchronous interface When the CTS state is inactive and the system connected to the asynchronous side of the NETmate continues to provide frames the Clear To Send signal on the asynchronous side will change to inactive after the buffer is filled RxC The RxC LED indicates the state of the Receive Clock signal The RxC LED is tied directly to the clock signal on pin 17 A normal clock signal alternates the RxC LED blinks at the same frequency as the clock signal TxC
3. 1 will be inserted Assuming the Sync Word has already been transmitted and sync stripping is also enabled and the strip insert parameter is set to bitposition T insert 0 Then the first bit transmitted after the sync word will be a 0 After that a byte which is submitted via the asynchronous port will be forwarded to the synchronous port and then another 0 will be inserted This continues until all the bytes of the frame are transmitted The frame size is selectable in the range of 1 254 In general the Frame Size is the number of bytes the user will submit or can expect asynchronously The latter with some exceptions which can be read hereunder Channel Setup 347 Receiver With the Fame Length parameter the number of bytes which the user expects is specified The number of bytes are submitted to the asynchronous side All the bytes which are received are included in the Frame Size So in case the sync word is not stripped the Sync Word will count as part of the total Frame Length Transmitter Idle State With the Frame Length parameter the number of bytes which the user will submit is specified In case the Sync Word is not stripped the Sync Word should be submitted by the user via the asynchronous port and thus will count as part of the Frame Size However if a checksum mode is selected one byte less should be submitted while the NETmate is generating its own checksum to be forwarded with the
4. Extends the standard warranty coverage including rapid replacement to three years when purchased within 90 days of initial product purchase 76 Appendix A Out of warranty repair service is available for a per product flat fee Typical turnaround for out of warranty repairs is four to six weeks from date of factory receipt Limited Hardware Warranty ADD Engineering warrants its hardware products to be free from defect in materials and workmanship ADD Engineering will repair or replace at its option all defective product returned freight pre paid in original packaging to its factory in Rotterdam The Netherlands within one 1 year ADD Engineering reserves the right to ship replacement units from our inventory of reconditioned units All other warranties expressed or implied are limited to the restrictions of this warranty Product abuse alteration or misuse invalidates all warranties This warranty does not cover damages incurred by natural or electrical forces exceeding the stated product specifications In no event will ADD Engineering s warranty liability exceed the purchase price of the product No liability is assumed for any consequential damages resulting from the use of any ADD Engineering product This warranty is in lieu of all other warranties including but not limited to the warranties of merchantability and fitness for a particular purpose National state and local laws may offer rights in addition to those stat
5. The TxC LED indicates the state of the Transmit Clock signal The TxC LED is tied directly to the clock signal on pin 15 A normal clock signal alternates the TxC LED blinks at the same frequency as the clock signal N group Back panel ExC The ExC LED indicates the state of the External Clock signal The ExC LED is tied directly to the clock signal on pin 24 A normal clock signal alternates the ExC LED blinks at the same frequency as the clock signal The N group provides information on the network interface side of the NETmate RxD The RxD LED indicates that the NETmate is sending a packet onto the ethernet TCP IP network TxD The TxD LED indicates that the NETmate is receiving a packet from the ethernet TCP IP network DRP The DRP LED indicates that the NETmate is receiving a packet from the ethernet TCP IP network but ignoring dropping it because of a buffer overflow or because of an incorrect encapsulation method The back panel of the NETmate see Figure 2 NETmate back panel contains 6 space saving RJ 45 connectors Through the use of the supplied RJ 45 to DB25 adapter cables the unit can be connected to systems using a DB25 physical interface Front and back panel 17 18 Upan s Figure 2 NETmate back panel Uplink The Uplink port is used to connect the NETmate to the 10 100Mb ethernet Led indicators Left LED Right LED Color Color Meaning Off Off No Link Off Solid Amber 100BASE T Half
6. and vice versa Bit Encoding Receiver Bit encoding for the receiver can be described as the way the line state is decoded to a received bit With the NETmate it is possible to specify 4 different bit encoding methods NRZ NRZ NRZI and NRZI e NRZ Generally known as Non Return to Zero the line state is directly decoded to form a bit A 1 on the physical line is decoded to a bit with the value 1 A 0 on the physical line is decoded to a bit with the value 0 e INRZ Almost the same as NRZ but in this case all bits are simply inverted A 1 on the physical line is decoded to a bit with the value 0 in memory A 0 on the physical line is decoded to a bit with the value 1 e NRZI Generally known as Non Return to Zero Inverted Although the name implies that it is just the inverted version of NRZ there is a more significant difference between these two To decode the line state to a bit in NRZI requires knowledge of the previous line state If there is a difference between the previous line state and the actual line state then it is decoded to a bit with the value 0 If there is no difference between the previous and Channel Setup 43 44 Chapter 4 the actual line state then it is decoded to a bit with the value 1 In short transitions will be decoded to form a bit with the value 0 and steady states will be decoded to form a bit with the value 1 INRZ
7. data The idle state is used to specify the behaviour of the transmitter in the case that there are no bytes to transmit The idle state is directly related to the line state and thus no bit encoding will take place There are three possible idle states 0 1 and ALT Receiver This parameter is of no significance for the receiver Transmitter 48 gt Chapter4 0 Idle in zero s invalid for NRZI and NRZI bit encoding methods 1 Idle in one s invalid for NRZI and NRZI bit encoding methods ALT Idle in alternating states normally this is used to keep receivers with DPLL in sync Checksum Mode Checksums can be generated by the NETmate it means that the user does not have to calculate checksums over the data submitted to the NETmate The checksum is transmitted as the last byte of a frame The checksum mode has three options OFF XOR and XNOR Receiver The checksum mode parameter is of no significance in the receiver Transmitter The checksum calculated using the method defined above is attached to the frame as a last byte e OFF No checksum is attached to the frame e XOR An XOR exclusive or will be performed over all the bytes in the frame except the sync word e XNOR An XNOR inverted exclusive or will be performed over all the bytes in the frame except the sync word Synchronous Speed The Synchronous Speed parameter of the NETmate has only significance if INT internal o
8. the Main menu 25 Channel Configuration 1 After selecting the link the menu as illustrated in Figure 6 Channel 1 Configuration is displayed le Model Type NM9021 Channel 1 Configuration e Firmware Revision V1 010 ADD Engineering B V e Serial Number 9021000000 e System Uptime 0 02 59 Serial data format Universal Submit Bit Encoding Nez Bit Order Lsb irst gt Sync Pattern foooooooo Sync Stripping stip Bit Stuffing Insertion foo gt Frame Size fie Idle State Alternate Checksum Mode oF Synchronous Speed fzo gt Clock Source ExT Clock Line Inversion ON x Forward Data To Network gt Submit Network Encapsulation Format Transparent Submit Network Transport po xl Local Port fizoo Destination Address foooo OOOO Destination Portnumber feooo Save all Main Menu Figure 6 Channel 1 Configuration Serial data format Serial data format type selects the type of protocol for the specific channel After selecting a specific serial data format the user should click on the Submit button in this way the parameters that are of no use for the selected serial data format will be hidden The NETmate provides 4 types of channels Universal Link 1 Link 11B and Transparant e Universal The standard operating mode used for processing different military protocols Chapter 4 e Link 1 The operati
9. to be able to distinguish between multiple data links originating from the same station Receiver ASEP or NIRAS data transmitted to the network has the link id set to the specified value Transmitter Data received from the network is checked against the configured link id If there is a match the data is forwarded to the synchronous interface channel 1 If there is no match the data will be dropped Buffering Time Out Buffering Time Out is used by the ASEP and NIRAS network formats Receiver The data is transmitted to the network when The maximum frame size has been reached and thus the buffer is full No data has been received through the synchronous interface during the specified buffering time out 38 Chapterd Transmitter Buffering Time Out has no function for receiving data from the network Network Transport Network Transport defines the TCP IP protocol that will be used to exchange data through the network The NETmate has three options UDP TCP CLT and TCP SRV e UDP User Datagram Protocol a connectionless oriented protocol There is no guarantee that the data transmitted is actually received by the destination e TCP CLT Transfer Control Protocol a connection oriented protocol Delivery of data is guaranteed by the protocol The CLT means CLIENT the NETmate thus expects a TCP server at the remote side The NETmate will initiate the connection e TCP SRV Transfer Control Protocol a connection
10. 010 ADD Engineering B V e Serial Number 9021000000 e System Uptime 0 18 44 Wait for 20 seconds then follow link 192 168 1 2 Main Menu Figure 10 IP Configuration menu Chapter 6 Statistics Overview The NETmate has a number of facilities to monitor the behaviour of the communication link and the unit By selecting Channel 1 Statistics or Channel 2 Statistics information is provided on the selected synchronous channel Channel 1 Statistics After selecting the Channel 1 Statistics link the menu as illustrated in Figure 11 Channel 1 Statistics menu is displayed e Model Type NM9021 Channel 1 Statistics e Firmware Revision V1 010 ADD Engineering B V e Serial Number 9021000000 le System Uptime 0 03 36 Serial Statistics Frames Received 0 Bytes Received 0 Idles Received 0 Checksum CRC Errors 0 Frames Transmitted 0 Bytes Transmitted 0 Idles Transmitted 0 Transmit Underruns 0 Network Statistics Packets Received 0 Packets Ignored 0 Packets Transmitted 0 Packets Overflow 0 Reset all statistics Reset Main Menu D Copyright 2003 2004 ADD Engineering BV Rotterdam The Netherlands All rights reserved _ Figure 11 Channel 1 Statistics menu 62 gt Serial Statistics Chapter 6 Frames Received The number of frames received through the synchronous interface side Bytes Received The number of bytes receiv
11. 1201 channel 2 0 0 0 0 2000 N o 74 Serial defaults Parameter name Data format Bit Encoding Bit Order Sync Pattern Sync Stripping Bit Stuffing Insertion Frame Size Idle State Checksum Mode Synchronous Speed Clock source Clock inversion Forward Data To Async Speed Table 10 Serial port default settings Authentication defaults Parameter name Usemame Password Table 11 Authentication default settings Value Link 1 INRZI LSB First 00000000 ON 00 16 Alternate OFF 1200 EXT ON Async Channel 2 2400 Value root manager Appendix A Warranty and Maintenance Warranty Information Hardware All ADD Engineering B V s hardware products are covered by a one year warranty from the original date of purchase Warranty coverage includes Telephone support Free phone support on any hardware product for one year after initial product purchase ADD Engineering s Customer Service and Support CSS hours are 9 00 am to 5 00 pm Monday through Friday Rapid replacement Upon CSS phone verification of hardware failure within the first 90 days after purchase ADD Engineering will issue a return material authorization RMA number for rapid replacement If the failed unit is in stock a replacement unit will be shipped within one business day If the failed unit is not in stock it will receive the highest priority for repair once ADD Engineering receives the unit Extended maintenance option
12. 2 Idles Received 62 Checksum CRC Errors 62 Frames Transmitted 62 Bytes Transmitted 62 Idles Transmitted 62 Transmit Underruns 63 Network Statistics 63 Packets Received 63 Packets Ignored 63 Packets Transmitted 63 Packets Overflow 63 General 63 Reset 63 Channel 2 Statistics 64 Serial Statistics 64 Frames Received 64 Bytes Received 64 Idles Received 65 Checksum CRC Errors 65 Frames Transmitted 65 Bytes Transmitted 65 Idles Transmitted 65 Transmit Underruns 65 Network Statistics 65 Packets Received 65 Packets Ignored 66 Packets Transmitted 66 Packets Overflow 66 General 66 Reset 66 Chapter7 System Management 69 User Management 69 Old Username 70 New Username 70 Old Password 70 New Password 70 Retype New Password 70 Save all 70 Factory Settings 70 Reset 70 Firmware Upgrade 71 Upgrade 71 Chapter 8 Factory Defaults 73 Network defaults 13 Serial defaults 74 Authentication defaults 74 Appendix A Warranty and Maintenance 75 AppendixB Cables and Connectors 79 Contents Contents Chapter 1 Introduction Congratulations on purchasing your NETmate NM 9021 from ADD Engineering The NETmate combines dedicated communication hardware with on board data processing software to provide an efficient means of interfacing asynchronous Data Terminal Equipment and networked equipment to synchronous Data Communication Equipment By doing this the NETmate off load communications overhead from your Data Ter
13. Contents Chapter 3 Chapter 4 TxC 16 ExC 17 N group 17 RxD 17 TxD 17 DRP 17 Back panel 17 Uplink 18 Led indicators 18 1 18 2 19 3 19 4 19 5 19 User Interface 21 Network 21 Authentication 22 Main menu 24 Channel Setup 25 Channel Configuration 1 26 Serial data format 26 Bit Encoding 27 Bit Order 28 Sync Pattern 29 Sync Stripping 30 Bit Stuffing Insertion 31 Frame Size 31 Idle State 32 Checksum Mode 33 Synchronous Speed 33 Clock source 35 Clock Line Inversion 36 Forward Data To 36 Network Encapsulation Format Station Id 38 Link Id 38 Buffering Time Out 38 Network Transport 39 Local Port 39 Destination Address 40 Destination Portnumber 40 Async Speed 40 Channel Configuration 2 42 Serial data format 42 Bit Encoding 43 Bit Order 45 Sync Pattern 45 Sync Stripping 46 Bit Stuffing Insertion 47 Frame Size 47 Idle State 48 Checksum Mode 49 Synchronous Speed 49 Clock source 51 Clock Line Inversion 52 Forward Data To 52 Network Encapsulation Format Station Id 53 Link Id 54 Buffering Time Out 54 37 53 Contents 4 Contents Chapter 5 Chapter 6 Network Transport 55 Local Port 55 Destination Address 56 Destination Portnumber 56 Async Speed 56 Network Configuration 59 IP Configuration 59 MAC Address 59 IP Address 60 Netmask 60 Gateway 60 Save all 60 Statistics Overview 61 Channel 1 Statistics 61 Serial Statistics 62 Frames Received 62 Bytes Received 6
14. Duplex Link Off Blinking Amber 100BASE T Half Duplex Activity Off Solid Green 100BASE T Full Duplex Link Off Blinking Green 100BASE T Full Duplex Activity Solid Amber Off 10BASE T Half Duplex Link Blinking Amber Off 10BASE T Half Duplex Activity Solid Green Off 10BASE T Full Duplex Link Blinking Green Off 10BASE T Full Duplex Activity Table 6 Network status LED indicators 1 Port number 1 is not used on the NETmate model NM 9021 Chapter 2 Port number 2 is not used on the NETmate model NM 9021 Port number 3 is not used on the NETmate model NM 9021 Port number 4 is the synchronous asynchronous interface of the NETmate named channel 2 Use the cable with the blue RJ 45 connector and with the DB25 female connector supplied with the NETmate to connect to this port in the asynchronous mode Use the cable with the red RJ 45 connector and with the DB25 male connector supplied with the NETmate to connect to this port in the synchronous mode Port number 5 is the synchronous interface of the NETmate named channel 1 Use the cable with the red RJ 45 connector and with the DB25 male connector supplied with the NETmate to connect to this port Front and back panel 19 20 Chapter 2 Chapter 3 User Interface The NETmate is equipped with an HTML based user interface through an embedded HTTP server Through the use of a standard HTTP client web browser the unit can be configured in just a few minutes Network The NETmate has
15. I Almost the same as NRZI but in this case all bits are simply inverted Transitions will be decoded to form a bit with the value 1 and steady states will be decoded to form a bit with the value 0 Transmitter Bit encoding for the transmitter can be described as the way the bits which need to be transmitted are encoded to a line state NRZ Generally known as Non Return to Zero the bit is directly encoded to form a line state A bit with the value 1 is encoded to the physical line state 1 A bit with the value 0 is encoded to the physical line state 0 INRZ Almost the same as NRZ but in this case all bits are simply inverted first A bit with the value 1 is encoded to the physical line state 0 A bit with the value 0 is encoded to the physical line state 1 NRZI To encode the bit to transmit to a line state in NRZI requires knowledge of the previous line state If a bit with the value 0 needs to be encoded then the line state should alter so the actual line state should be the inverted version of the previous line state If a bit with the value 1 needs to be encoded the actual line state should be the same as the previous line state In short bits with the value 0 will be encoded as transitions and bits with the value 1 will be encoded as steady states INRZI Almost the same as NRZI but in this case all bits are simply inverted first In short bits with
16. LED indicates that reception of a frame is in progress TxD The TxD LED indicates that a transmission of a frame is in progress CTS The CTS LED indicates the state of the Clear To Send signal In case the CTS LED is off the NETmate will not transmit frames through the synchronous interface When the CTS state is inactive and the system connected to the asynchronous side of the NETmate continues to provide frames the Clear To Send signal on the asynchronous side will change to inactive after the buffer is filled RxC The RxC LED indicates the state of the Receive Clock signal The RxC LED is tied directly to the clock signal on pin 17 A normal clock signal alternates the RxC LED blinks at the same frequency as the clock signal TxC The TxC LED indicates the state of the Transmit Clock signal The TxC LED is tied directly to the clock signal on pin 15 A normal clock signal alternates the TxC LED blinks at the same frequency as the clock signal ExC The ExC LED indicates the state of the External Clock signal The ExC LED is tied directly to the clock signal on pin 24 A normal clock signal alternates the ExC LED blinks at the same frequency as the clock signal CH2 group async mode The CH2 group in asynchronous mode provides information on the asynchronous interface side of the NETmate RxD The RxD LED indicates the reception of data from the asynchronous interface side of the NETmate is in progress TxD
17. NETmate are inverted e OFF The clock signals incoming and outgoing TxC RxC ExC of the NETmate are not inverted Receiver Data is clocked in at the inverted or non inverted clock signal Transmitter Data is clocked out at the inverted or non inverted clock signal Forward Data To The NETmate model NM 9021 can forward data to the asynchronous channel 2 Async Channel 2 or to the network e Network Data received transmitted on channel 1 is exchanged through the network e Async Channel 2 Data received transmitted on channel 1 is exchanged through the asynchronous interface channel 2 SyncMate emulation Receiver Data is received from the synchronous interface channel 1 and forwarded to either the network or the asynchronous interface channel 2 Transmitter 36 Chapterd Data received from either the network or the asynchronous interface is forwarded to the synchronous interface channel 1 Network Encapsulation Format The NETmate model NM 9021 can exchange data on the network in a number of network encapsulation formats A network encapsulation format specifies how the synchronously exchanged data is represented on the network Through network encapsulation it is possible to pack more than a single message frame into one network packet Also through encapsulation it is possible to distinguish the exchanged data from other data exchanged on the network The NETmate can encapsulate data in three different fo
18. Transmitter Data is clocked out at the inverted or non inverted clock signal Forward Data To The NETmate model NM 9021 can forward channel 2 data only to the network e Network Data received transmitted on channel 2 is exchanged through the network Receiver Data is received from the synchronous interface channel 2 and forwarded to the network Transmitter Data received from the network is forwarded to the synchronous interface channel 2 52 Chapter 4 Network Encapsulation Format The NETmate model NM 9021 can exchange data on the network in a number of network encapsulation formats A network encapsulation format specifies how the synchronously exchanged data is represented on the network Through network encapsulation it is possible to pack more than a single message frame into one network packet Also through encapsulation it is possible to distinguish the exchanged data from other data exchanged on the network The NETmate can encapsulate data in three different formats e NIRAS An ASTERIX like protocol capable of encapsulating multiple frames into a single NIRAS packet e ASEP A legacy format used in a large number of application to exchange track data ASEP has the capability of encapsultaing multiple frames into a single NIRAS packet e Transparent Data exchanged from the synchronous interface channel 2 is forwarded after a complete frame has been received Receiver Data is received from the synchron
19. User s Manual NETmate NM 9021 Synchronous serial to Asynchronous serial Synchronous serial to TCP IP Network Communication Interface Software Revision 1 010 Copyright 2004 ADD Engineering B V Copyright 2004 ADD Engineering B V Online version copyright 2004 All rights reserved Printed in the Netherlands This document is protected by Copyright Protection Laws The online version of this document may be freely printed and distributed internally but cannot be modified in whole or in part or included in any other work without prior written consent from ADD Engineering B V Limitation of Liability ADD Engineering B V makes NO WARRANTY EXPRESSED or IMPLIED with respect to this user manual and any related items its quality performance merchantability or fitness for any particular use It is solely the purchaser s responsibility to determine its suitability for any particular use Information contained in this document is subject to change without notice Trademark credits The following are trademarks of ADD Engineering B V NETmate SyncMate ClockMate Contents Chapter1 Introduction 7 Functional Description 8 Specification Overview 9 Chapter 2 Front and back panel 13 Front panel 13 PWR LED 13 CH1 group 14 RxD 14 TxD 14 CTS 14 RxC 14 TxC 14 ExC 15 CH2 group async mode 15 RxD 15 TxD 15 CTS 15 RxC 15 TxC 15 ExC 15 CH2 group sync mode 16 RxD 16 TxD 16 CTS 16 RxC 16 2
20. a Clock Input for transmitter signal element timing from a synchronous DCE device Transmit Data Clock Output for transmitter signal element timing generated on the NETmate Clear To Send handshake signal Request To Send handshake signal Table 14 Signal descriptions RJ 45 to DB25 male cable RED RJ 45 Pin Number RS 232 Signal Direction DB25 male Pin Number 1 N O oO A W DN RxC lt 17 TxC lt 15 ExC gt 24 Signal GND 7 RxD lt 3 TxD gt 2 CTS lt 5 RTS gt 4 Table 15 RJ 45 to DB25 male cable pinout Cables and Connectors ecco oo foe o 84 Appendix B RJ 45 to DB25 female cable BLUE RJ 45 Pin Number RS 232 Signal Direction 1 2 3 4 Signal GND 5 RxD lt 6 TxD gt 7 RTS lt 8 CTS gt Table 16 RJ 45 to DB25 female cable pinout DB25 female Pin Number a A O ND N Numerics 401 UNAUTHORIZED 22 A alternating 32 48 Asynchronous Interface 9 asynchronous ports 82 Async Speed 40 56 Authentication 22 Authentication defaults 74 B back panel 17 Bit Stuffing Insertion 31 47 Bit encoding 27 43 bit order 29 45 Buffering Time Out 38 54 C Cabling Overview 80 CD 2 8 27 43 CH1 group 14 CH2 group 15 16 Channel Configuration 1 26 Channel Configuration 2 42 Channel Setup 25 Channel 1 Statistics 61 Channel 2 Statistics 64 Checksum Mode 33 49 Clock Line Inversion 36 52 ClockMate 8 clock sources 35 51 Control Port 10 D Destination Address 40 56 Dest
21. e selected from the Sync Speed menu The clock which is generated internally is placed on pin 24 of the DB25M connector DPLL The digital pll clock mode is used when synchronous data is coming in at a known synchronous bit rate but not accompanied by a clock signal The synchronous clock speed can be selected from the Synchronous Speed menu The clock which is generated internally is placed on pin 24 of the DB25M connector The internally generated clock is synchronised continuously with the received data or better with the transitions in this data EXT With the external clock mode clock signals should be connected to the NETmate at pin 17 RCLK and pin 15 TCLK The RCLK is timebase related to the data on pins 3 RxD and the TCLK is timebase related to the data on pin 2 TxD The TCLK and RCLK need not to be related however usually they are Receiver Data is clocked in at the rate specified by the clock signal Transmitter Data is clocked out at the rate specified by the clock signal Channel Setup 2 35 Clock Line Inversion The NETmate has the capability to invert the clock signals when required by the specific type of modem connected to the NETmate The term inverted means the opposite of the standard clock signal used for commercial equipment Clock Line Inversion OFF thus means that the NETmate is adapted for commercial synchronous equipment e ON The clock signals incoming and outgoing TxC RxC ExC of the
22. ed above Product Information Worksheet Please record the following information about your NETmate model NM 9021 NETmate Serial number NETmate MAC address Purchase date Warranty and Maintenance 78 Appendix A Appendix B Cables and Connectors This appendix provides necessary background information for making connections to the serial and the network ports on the NETmate model NM 9021 It discusses modem and null modem connectors the standard RS 232 pinouts the RJ 45 pinouts and describes some typical cables Two terms used frequently throughout this appendix are e Data Communication Equipment DCE e Data Terminal Equipment DTE DCE peripheral devices usually refer to modems DTE devices include terminals computers and printers 79 80 Appendix B Cabling Overview To connect a peripheral device to the NETmate you need an interface cable to run electrical signals from one of the RJ 45 connectors to the peripheral device ADD Engineering includes the cables required to connect the NETmate to a standard asynchronous port and to a standard synchronous port Cables required to connect the NETmate to the network are not included You can purchase ready made network cables at your local computer store or make them on your own DCE and DTE devices send and receive signals through different pins The NETmate has the capability to be configured as a DCE device with an RS 232 electrical interface and on the
23. ed ethernet connection System configuration security and access control is guaranteed by a user name and password combination Specification Overview DCE Asynchronous Interface Ports 1 Connector RJ 45 socket Electrical Interface RS 232 Speed 1200 2400 4800 9600 19k2 38k4 115k2 bps Start Stop bits 1 Data bits 8 Bit order LSB first MSB first Flow control CTS RTS Input buffer 128 bytes Output buffer 32 bytes Available signals CTS RTS TxD RxD Table 1 Specification of DCE interface DTE Synchronous Interface Ports 1 Connector RJ 45 socket Electrical Interface RS 232 Speed 600 1200 2400 4800 9600 19k2 56k 64k bps Clock mode Internal Dpll External Clock source input TxC RxC output ExC Sync Length 5 16 bits Table 2 Specification of DTE interface Introduction 10 Chapter 1 DTE Synchronous Interface Frame Length 1 254 bytes Bit Encoding NPZ INRZ NRZI INRZI Sync Stripping Insertion On Off Bit Stripping Insertion On Off Checksum Generation Off Xor Xnor Idle State 1 0 Alternating Clock Inversion On Off Available signals TxD RxD TxC RxC ExC RTS CTS Table 2 Specification of DTE interface Control amp Data Port Ethernet Ports 1 Connector RJ 45 socket Electrical Interface Ethernet 100Mb 10Mb TCP IP Protocols UDP TCP client TCP server Table 3 Specification of control port interface Power Requirements DC Input 7 5V 1000mA throu
24. ed exclusive or will be performed over all the bytes in the frame except the sync word Synchronous Speed The Synchronous Speed parameter of the NETmate has only significance if INT internal or DPLL digital phase locked loop is enabled In other cases the transmit receive clock submitted will dictate the synchronous speed Thus when using external clock the user is not limited by the selection of synchronous speeds down here However there is an upper limit to the external supplied synchronous clock which is 64k e 600 Data is clocked in and out at 600 bps e 1200 Data is clocked in and out at 1200 bps e 2400 Data is clocked in and out at 2400 bps Channel Setup 233 34 3 Chapter 4 e 4800 Data is clocked in and out at 4800 bps e 9600 Data is clocked in and out at 9600 bps e 19200 Data is clocked in and out at 19200 bps e 56K Data is clocked in and out at 56kbps e 64K Data is clocked in and out at 64 kbps Receiver Data is clocked in at the selected speed Transmitter Data is clocked out at the selected speed Clock source With the NETmate it is possible to select three different clock sources The first most commonly used is the external EXT clock mode the second is the internal INT clock mode and the third and last is the digital pll DPLL clock mode INT The internal clock mode is used when the NETmate should generate the clocking signals required The synchronous clock speed can b
25. ed through the synchronous interface side Idles Received The number of idles idle bytes received through the synchronous interface side Checksum CRC Errors Only applicable to the Link 1 and Link 11B data format Indicates the number of detected checksum errors for the specified data format Frames Transmitted The number of frames transmitted through the synchronous interface side Bytes Transmitted The number of bytes transmitted trhough the synchronous interface side Idles Transmitted The number of idles idle bytes transmitted through the synchronous interface side Transmit Underruns The number of transmitter underruns An underrun occurs when the request for data is not handled successfully Normally this should remain 0 Network Statistics General The network statistics are applicable to the data packets thus the frames received transmitted through the synchronous interface send received through the network interface Packets Received The number of packets received from the network Packets Ignored The number of network packets dropped thus not passed to the synchronous serial interface Packets Transmitted The number of packets transmitted to the network Packets Overflow The number of packets dropped because of a buffer overflow Reset Sets all the statistics to the value of zero Statistics Overview 63 64 Channel 2 Statistics After selecting the Channel 2 Statist
26. er NOSTRIP Nostrip in this context actually means no insertion No insertion of a sync word takes place at the synchronous transmitter side The user has to submit the sync word via the asynchronous input port STRIP Strip means that the sync word is inserted by the NETmate in case a new frame needs to be transmitted The sync word that is inserted is specified by the pattern Sync Pattern The pattern should be read from right to left with the right bit LSB transmitted first Bit Stuffing Insertion Specific bits are stripped from the data at the receiver s side and inserted at the transmitter s side Receiver At the receiver s side synchronous the specified bit will be stripped from the data The insert parameter in this menu is of no significance for the receiver s side The bitposition parameter specifies which bit will be stripped after reception of the Sync Word Assuming the Sync Word is found and the strip insert parameter is set to bitposition 1 insert 0 Then the first bit after the Sync Word is stripped from the data in case Sync Stripping is also enabled then the next 8 bits are forwarded to the asynchronous port and the next first bit is stripped from the data This continues until all the bytes of the frame are received Transmitter Frame Size At the transmitter s side synchronous the specified bit will be inserted in the data The insert parameter in this menu specifies if a 0 or a
27. erver address Destination Portnumber The destination port number specifies to which port the network data will be transmitted In case of a TCP CLT it specifies to which port number the NETmate will connect Receiver Data transmitted to the network will be addressed to the specified port number and IP address Transmitter The destination port number has no function for the data received from the network Async Speed The speed selected in this menu is used to transmit and receive asynchronous data via the asynchronous ports Make sure that the asynchronous baudrate is always higher than the synchronous speed 40 Chapter4 e 1200 Asynchronous bitrate is 1200 e 2400 Asynchronous bitrate is 2400 e 4800 Asynchronous bitrate is 4800 e 9600 Asynchronous bitrate is 9600 e 19200 No Parity 8 Bits 1 Stop bit No Parity 8 Bits 1 Stop bit No Parity 8 Bits 1 Stop bit No Parity 8 Bits 1 Stop bit Asynchronous bitrate is 19200 No Parity 8 Bits 1 Stop bit e 38400 Asynchronous bitrate is 38400 No Parity 8 Bits 1 Stop bit e 115K2 Asynchronous bitrate is 115200 No Parity 8 Bits 1 Stop bit Receiver The asynchronous receive rate Transmitter The asynchronous transmit rate Channel Setup sa Channel Configuration 2 After selecting the link the menu as illustrated in Figure 7 Channel 2 Configuration is displayed
28. es of the frame are received Transmitter Frame Size At the transmitter s side synchronous the specified bit will be inserted in the data The insert parameter in this menu specifies if a 0 or a 1 will be inserted Assuming the Sync Word has already been transmitted and sync stripping is also enabled and the strip insert parameter is set to bitposition T insert 0 Then the first bit transmitted after the sync word will be a 0 After that a byte which is submitted via the asynchronous port will be forwarded to the synchronous port and then another 0 will be inserted This continues until all the bytes of the frame are transmitted The frame size is selectable in the range of 1 254 In general the Frame Size is the number of bytes the user will submit or can expect asynchronously The latter with some exceptions which can be read hereunder Receiver Channel Setup 31 With the Fame Length parameter the number of bytes which the user expects is specified The number of bytes are submitted to the asynchronous side All the bytes which are received are included in the Frame Size So in case the sync word is not stripped the Sync Word will count as part of the total Frame Length Transmitter Idle State With the Frame Length parameter the number of bytes which the user will submit is specified In case the Sync Word is not stripped the Sync Word should be submitted by the user via the asy
29. gh supplied 230V AC adaptor Net Frequency 47 Hz 63 Hz Power Consumption 16 Watt Table 4 Power requirements Enclosure Width Height Depth Table 5 Dimensions Dimensions Metal painted light grey 100 mm 26mm 79mm Introduction 12 Chapter 1 Chapter 2 Front and back panel The NETmate is controlled and configured through a web browser interface Through the use of this concept there is no requirement for a front panel keyboard or configuration switches Only the power supply connector and indication LEDs are placed at the front panel of the unit Gaono HESNETmate ve ne m ve vo to cts EC CIS Et DAP bed ee L L PAR CM ca Figure 1 NETmate front panel Front panel The front panel of the NETmate contains a large number of status LEDs see Figure 1 NETmate front panel each providing information on the unit s status or an RS 232 signal The large number of LEDs facilitates easy troubleshooting of a configuration or connection PWR LED The PWR LED indicates that power is supplied to the NETmate If the PWR LED is on power is supplied through the power supply connector if the PWR LED is off power is not supplied When using another power supply adapter than the one included please make sure that the polarity is correct 14 3 CH1 group Chapter 2 The CH1 group provides information on the synchronous interface side of the NETmate RxD The RxD
30. handled successfully Normally this should remain 0 Network Statistics The network statistics are applicable to the data packets thus the frames received transmitted through the synchronous interface send received through the network interface Packets Received The number of packets received from the network Statistics Overview 65 66 gt General Chapter 6 Packets Ignored The number of network packets dropped thus not passed to the synchronous serial interface Packets Transmitted The number of packets transmitted to the network Packets Overflow The number of packets dropped because of a buffer overflow Reset Sets all the statistics to the value of zero In case channel 1 is configured in the Async Channel 2 forwarding mode channel 2 can not be configured See Figure 13 Channel 2 Statistics disabled Channel 2 Statistics ADD Engineering B V e Model Type e Firmware Revision e Serial Number e System Uptime NM9021 1 010 9021000000 0 04 28 Error Channel 2 is in use for Async Forwarding see Channel 1 configuration Main Menu Figure 13 Channel 2 Statistics disabled Statistics Overview 68 Chapter 6 Chapter 7 System Management Through system management the firmware of the unit can be upgraded the unit s settings can be reset to factory defaults and the username and password combination can be changed User Management W
31. hen clicking on the link User Management the menu as illustrated in Figure 14 User Management menu is displayed Through this menu the username and password can be changed After changing username and password the same menu is displayed When selecting another menu an authentication dialog logon dilalog is displayed where the new username and password should be entered e Model Type NM9021 User Management e Firmware Revision V1 010 ADD Engineering B V Serial Number 9021000000 le System Uptime 0 06 47 Old Username f New Username Old Password New Password Retype New Password e Save all Main Menu Copyright 2003 2004 ADD Engineering BV Rotterdam The Netherlands All rights reserved Figure 14 User Management menu 70 Old Username The current username New Username The new username minimum of 5 characters Old Password The current password New Password The new password Retype New Password The new password for verification Save all Saves the settings Factory Settings Chapter 7 When clicking on the link Factory Settings the following menu is displayed Through this menu the factory defaults can be re programmed into the NETmate again Please use http 192 168 1 1 to reconnect to the NETmate after resetting to defaults Reset Resets to default and reboots the unit Firmware Upgrade When clicking on the li
32. ics link the following menu is displayed Channel 2 Statistics ADD Engineering B V Model Type NM9021 Firmware Revision V1 010 Serial Number 9021000000 System Uptime 0 06 05 Frames Received Bytes Received Idles Received Checksum CRC Errors Frames Transmitted Bytes Transmitted Idles Transmitted 2121000000 Transmit Underruns Packets Received 0 Packets Ignored 0 Packets Transmitted 0 Packets Overflow 0 Reset all statistics Reset Main Menu Figure 12 Channel 2 Statistics menu Serial Statistics Chapter 6 Frames Received The number of frames received through the synchronous interface side Bytes Received The number of bytes received through the synchronous interface side Idles Received The number of idles idle bytes received through the synchronous interface side Checksum CRC Errors Only applicable to the Link 1 and Link 11B data format Indicates the number of detected checksum errors for the specified data format Frames Transmitted The number of frames transmitted through the synchronous interface side Bytes Transmitted The number of bytes transmitted trhough the synchronous interface side idles Transmitted The number of idles idle bytes transmitted through the synchronous interface side Transmit Underruns The number of transmitter underruns An underrun occurs when the request for data is not
33. igure 4 Multiple logon attempts failed Fie Edt ven Toos Hep ere OA A Aeh adres fE retp s1 92 168 1 1 H 401 UNAUTHORIZED poe Figure 4 Multiple logon attempts failed eee User Interface 23 Main menu Using the HTML links underlined texts provided on the Main menu see Figure 5 Main menu it is possible to navigate through the available management configuration and statistics menu s of the NETmate e Model Type NM9021 Main Menu le Firmware Revision V1 010 ADD Engineering B V Serial Number 9021000000 le System Uptime 0 00 09 Channel Setup Statistics Overview gt gt Channel 1 Co ation gt gt Channel 1 Statistics gt gt Channel 2 Configuration gt gt Channel 2 Statistics Network Configuration System Management gt gt IP Configuration gt gt User Management gt gt Factory Settings gt gt Firmware Upgrade Figure 5 Main menu Please note the information in the top right corner of the menu s in this case the main menu Model Type The specific model of the NETmate Firmware Revision Revision of the software embedded in the NETmate Serial Number The factory assigned serial number System Uptime Elapsed time since the unit was powered on Chapter 3 Chapter 4 Channel Setup The channel configuration menu can be selected by following the Channel Configuration 1 or Channel Configuration 2 link from
34. ination Portnumber 40 56 digital pll clock 35 51 Dimensions 11 DPLL 35 51 E EXT 35 51 85 86 external clock 35 51 F Factory Settings 70 Firmware Upgrade 71 Forward Data To 36 52 frame length 31 47 front panel 13 Functional Description 8 G Gateway 60 H HTTP server 21 I idle state 32 48 INT 35 51 internal clock 35 51 IP Address 60 IP Configuration 59 L Led indicators 18 Link Id 38 54 Link 11B 27 43 Local Port 39 55 LSB FIRST 29 45 M MAC Address 59 Main menu 24 MSB FIRST 29 45 N Netmask 60 Network 21 Network defaults 73 Network Encapsulation Format 37 53 Network Statistics 63 65 Network Transport 39 55 N group 17 NRZ 27 43 NRZI 27 43 P pinouts 79 Power Requirements 10 PWR LED 13 S Serial data format 26 Serial defaults 74 Serial Statistics 62 Station Id 38 53 strip 30 46 Synchronous Interface 9 SyncMate 8 Sync Pattern 29 46 Sync Speed 33 49 system management 69 T Transparent 27 43 transparent 8 U UCC 8 Universal 8 26 42 user interface 21 User Management 69 W Warranty Information 75 X XNOR 33 49 XOR 33 49 s 87
35. is reversed the sync word will also be reversed STRIP The number of synchronisation bits are stripped from the synchronously received data In other words the sync word is stripped from the data Transmitter NOSTRIP Nostrip in this context actually means no insertion No insertion of a sync word takes place at the synchronous transmitter side The user has to submit the sync word via the asynchronous input port STRIP Strip means that the sync word is inserted by the NETmate in case a new frame needs to be transmitted The sync word that is inserted is specified by the pattern Sync Pattern The pattern should be read from right to left with the right bit LSB transmitted first Bit Stuffing Insertion Specific bits are stripped from the data at the receiver s side and inserted at the transmitter s side Receiver At the receiver s side synchronous the specified bit will be stripped from the data The insert parameter in this menu is of no significance for the receiver s side The bitposition parameter specifies which bit will be stripped after reception of the Sync Word Assuming the Sync Word is found and the strip insert parameter is set to bitposition 1 insert 0 Then the first bit after the Sync Word is stripped from the data in case Sync Stripping is also enabled then the next 8 bits are forwarded to the asynchronous port and the next first bit is stripped from the data This continues until all the byt
36. ith the value 1 In short transitions will be decoded to form a bit with the value 0 and steady states will be decoded to form a bit with the value 1 Channel Setup 27 28 Bit Order Chapter 4 INRZI Almost the same as NRZI but in this case all bits are simply inverted Transitions will be decoded to form a bit with the value 1 and steady states will be decoded to form a bit with the value 0 Transmitter Bit encoding for the transmitter can be described as the way the bits which need to be transmitted are encoded to a line state NRZ Generally known as Non Return to Zero the bit is directly encoded to form a line state A bit with the value 1 is encoded to the physical line state 1 A bit with the value 0 is encoded to the physical line state 0 INRZ Almost the same as NRZ but in this case all bits are simply inverted first A bit with the value 1 is encoded to the physical line state 0 A bit with the value 0 is encoded to the physical line state 1 NRZI To encode the bit to transmit to a line state in NRZI requires knowledge of the previous line state If a bit with the value 0 needs to be encoded then the line state should alter so the actual line state should be the inverted version of the previous line state If a bit with the value 1 needs to be encoded the actual line state should be the same as the previous line state In short bits
37. minal Equipment s CPU for optimum system performance Functional Description Chapter 1 The NETmate is a device that establishes the interface from standard asynchronous serial ports with an RS 232 electrical interface the ones which are usually standard on computer systems to standard as well as non standard synchronous systems with an RS 232 electrical interface non standard in terms of Commercially Of The Shelf equipment The NETmate can interface a single synchronous system to a single asynchronous system or interface two synchronous systems to a system equipped with TCP IP ethernet Apart from the configurable Universal mode the NETmate also provides a Link 1 a Link 11B and a transparent interface mode To provide flexibility and create a wide adaptation level within these different modes the NETmate has a number of parameters that can be altered to be able to interface to specific military and commercial protocols Synchronisation word bit encoding and bit stripping are only a couple of these parameters Though the NETmate is designed from a total new concept a lot of its functionality is comparable to that of the standard UCC SyncMate and the ClockMate The NETmate provides more functionality flexibility stability configurability ease of installation and fault check mechanisms Above all that the NETmate also provides a mechanism to remote monitor configure the unit by means of a web browser and a TCPI IP bas
38. nchronous port and thus will count as part of the Frame Size However if a checksum mode is selected one byte less should be submitted while the NETmate is generating its own checksum to be forwarded with the data The idle state is used to specify the behaviour of the transmitter in the case that there are no bytes to transmit The idle state is directly related to the line state and thus no bit encoding will take place There are three possible idle states 0 1 and ALT Receiver This parameter is of no significance for the receiver Transmitter 32 Chapter 4 KON Idle in zero s invalid for NRZI and NRZI bit encoding methods 1 Idle in one s invalid for NRZI and NRZI bit encoding methods ALT Idle in alternating states normally this is used to keep receivers with DPLL in sync Checksum Mode Checksums can be generated by the NETmate it means that the user does not have to calculate checksums over the data submitted to the NETmate The checksum is transmitted as the last byte of a frame The checksum mode has three options OFF XOR and XNOR Receiver The checksum mode parameter is of no significance in the receiver Transmitter The checksum calculated using the method defined above is attached to the frame as a last byte e OFF No checksum is attached to the frame e XOR An XOR exclusive or will be performed over all the bytes in the frame except the sync word e XNOR An XNOR invert
39. ng mode providing an interface to Link 1 e Link 11B The operating mode providing an interface to Link 11B Transparent The operating mode that provides a transparant interface from asynchronous to synchronous and vice versa Bit Encoding Receiver Bit encoding for the receiver can be described as the way the line state is decoded to a received bit With the NETmate it is possible to specify 4 different bit encoding methods NRZ NRZ NRZI and NRZI e NRZ Generally known as Non Return to Zero the line state is directly decoded to form a bit A 1 on the physical line is decoded to a bit with the value T A 0 on the physical line is decoded to a bit with the value 0 e INRZ Almost the same as NRZ but in this case all bits are simply inverted A 1 on the physical line is decoded to a bit with the value 0 in memory A 0 on the physical line is decoded to a bit with the value 1 e NRZI Generally known as Non Return to Zero Inverted Although the name implies that it is just the inverted version of NRZ there is a more significant difference between these two To decode the line state to a bit in NRZI requires knowledge of the previous line state If there is a difference between the previous line state and the actual line state then it is decoded to a bit with the value 0 If there is no difference between the previous and the actual line state then it is decoded to a bit w
40. nk Firmware Upgrade the menu as illustrated in Figure 15 Firmware upgrade menu is displayed Through this menu the firmware embbeded in the NETmate can be upgraded Model Type NM9021 Firmware U pg rade le Firmware Revision V1 010 ADD Engineering B V le Serial Number 9021000000 e System Uptime 0 08 10 f Enable firmware upgrade Upgrade Main Menu Figure 15 Firmware upgrade menu Upgrade Places the NETmate into firmware upgrade mode The unit is now ready for a new software version Please use the appropiate software upgrade tool supplied by ADD Engineering Do not power off the unit when firmware upgrade is in progress and thus the upgrade tool has been started The unit should never be powered off when the upgrade tool has been started and a firmware upgrade is in progress The NETmate can be damaged permanently when not following the instructions above System Management N l 72 Chapter 7 Chapter 8 Factory Defaults This chapter describes the settings of the NETmate model NM 9021 when shipped by ADD Engineering These settings can be restored using the Factory Settings option in the System Management group Network defaults Parameter name IP address Network mask Gateway Network Transport Local port Destination address Destination portnumber Table 9 Network default settings Value 192 168 1 1 255 255 255 0 192 168 1 254 UDP 1200 channel 1
41. onfiguration After selecting the IP Configuration link the following menu is displayed IP Configuration Model Type IP Config u ration e Firmware Revision ADD Engineering B V e Serial Number le System Uptime NM9021 V1 010 9021000000 0 17 13 MAC Address 00 20 4 4 80 2B AE IP Address 192 168 1 1 Netmask 255 255 255 0 Gateway 192 168 1 254 Save all will cause reboot Save all Main Menu Figure 9 IP Configuration menu MAC Address The MAC Address specifies the unique hardware address of the NETmate The hardware address can not be altered and is only displayed in this menu for information a 60 IP Address The IP address of the NETmate The user should take care that a network unique IP address is assigned to the NETmate Netmask The network mask of the NETmate and in this way selects a class A class B or aclass C network Please see other documentation on TCP IP for a detailed explanation on the netmask Gateway The gateway to use when communicating with systems outside the Local Area Network Save all After making the required changes click on the Save all button to store the settings in the NETmate After storing these settings the NETmate will reboot Please follow instructions as displayed in Figure 10 IP Configuration menu e Model Type NM9021 IP Configu ration e Firmware Revision V1
42. oriented protocol Delivery of data is guaranteed by the protocol The SRV means SERVER the NETmate thus expects a TCP client at the remote side The remote side need to initiate the connection thus the NETmate waits until a remote unit connects Receiver Data is transmitted to the network using the specified protocol Transmitter Data is received from the network using the specified protocol Local Port The local port is the network port that is used to send the network data from The local port is also known as source port In case TCP SRV is used the local port specifies to which port clients can connect Receiver Data transmitted to the network has a source port as specified Transmitter Channel Setup 39 Data will be received from the network through the specified source port That means that other applications need to have their destination port set to the NETmate specified source port Destination Address The destination address is used when exchanging data using the UDP and TCP CLT protocols When a UDP broadcast is required specify the correct network broadcast address in this field When connecting to a TCP server specify the address of the TCP server Receiver Data transmitted to the network will be addressed to the specified network address In case of a TCP CLT a connection will be set up to the specified server address Transmitter In case of a TCP CLT a connection will be set up to the specified s
43. other side synchronous to be a DTE device with an RS 232 electrical interface Serial Connector Pinouts All of the NETmate s synchronous communication ports are equipped with an RJ 45 connector port 4 and 5 The electrical interface for these ports is RS 232 The port behaves like a DTE with respect to the clocking signals Figure 16 Serial connector pin diagram DTE RJ 45 Pin Number RS 232 Signal V 24 Signal Direction 1 RxC 115 Input 2 TxC 114 Input 3 ExC 113 Output 4 Signal GND None 5 RxD 104 Input 6 TxD 103 Output 7 CTS 106 Input 8 RTS 105 Output Table 12 Pinout of synchronous serial interface Cables and Connectors foo De 82 Appendix B All of the NETmate s asynchronous ports port 4 are equipped with an RJ 45 connector The electrical interface for these ports is RS 232 The port can behave like a DCE with respect to the handshaking signals when configured to do so Figure 17 Serial connector pin diagram DCE RJ 45 Pin Number RS 232 Signal V 24 Signal 1 2 3 4 Signal GND 5 RxD 103 6 TxD 104 7 RTS 105 8 CTS 106 Table 13 Pinout of asynchronous serial interface Direction None Input Output Input Output TxD RxD RxC TxC TxC CTS RTS Signal Description Transmit Data Sends data to peripheral device Receive Data Receives data from the peripheral Receive Data Clock Input for receiver signal element timing from a synchronous DCE device Transmit Dat
44. ous interface channel 2 and forwarded to the network encapsulating format Depending on the configuration the data will be forwarded to the network Transmitter Data received from the network is verified and unpacked by the network encapsulation format and forwarded if correct to the synchronous interface channel 2 Station Id Station Identification is a 16 bit integer that is used in the NIRAS encapsulation format to be able to identify the origin of the NIRAS data stream Receiver Channel Setup 53 NIRAS data transmitted to the network has the station id set to the specified value Transmitter Data received from the network is not checked against the configured station id Please note that the station id is a means to identify the origin not a means to address a specific unit Link Id Link Identification is a 16 bit integer when used in conjunction with the NIRAS format and an 8 bit integer when used in conjunction with the ASEP format Link Identification is used to be able to distinguish between multiple data links originating from the same station Receiver ASEP or NIRAS data transmitted to the network has the link id set to the specified value Transmitter Data received from the network is checked against the configured link id If there is a match the data is forwarded to the synchronous interface channel 2 If there is no match the data will be dropped Buffering Time Out Buffering Time Out is u
45. r DPLL digital phase locked loop is enabled In other cases the transmit receive clock submitted will dictate the synchronous speed Thus when using external clock the user is not limited by the selection of synchronous speeds down here However there is an upper limit to the external supplied synchronous clock which is 64k e 600 Data is clocked in and out at 600 bps e 1200 Data is clocked in and out at 1200 bps e 2400 Data is clocked in and out at 2400 bps Channel Setup 49 50 Chapter 4 e 4800 Data is clocked in and out at 4800 bps e 9600 Data is clocked in and out at 9600 bps e 19200 Data is clocked in and out at 19200 bps e 56K Data is clocked in and out at 56kbps e 64K Data is clocked in and out at 64 kbps Receiver Data is clocked in at the selected speed Transmitter Data is clocked out at the selected speed Clock source With the NETmate it is possible to select three different clock sources The first most commonly used is the external EXT clock mode the second is the internal INT clock mode and the third and last is the digital pll DPLL clock mode INT The internal clock mode is used when the NETmate should generate the clocking signals required The synchronous clock speed can be selected from the Sync Speed menu The clock which is generated internally is placed on pin 24 of the DB25M connector DPLL The digital pll clock mode is used when synchronous data is coming in a
46. reversal is taking place e MSB FIRST The bit at the MSB position of the byte received at the asynchronous input will be transmitted first by the synchronous transmitter In short it means that bit 0 becomes bit 7 bit 1 becomes bit 6 and so on Sync Pattern Receiver The Sync Pattern specifies the sync word a pattern of ones and zeros on which the receiver will synchronise The length of the sync pattern is a minimum of 5 bits and a maximum of 16 bits The sync pattern is compared Channel Setup 30 after bit decoding takes place When the Sync Pattern has been received the device is considered to be in sync Bytes will now be submitted to the user asynchronously Transmitter The Sync Pattern denotes the start of a frame The pattern will be transmitted if there are bytes in the internal buffer If there are less bytes in the buffer than the specified frame length the NETmate will transmit the bytes in the buffer and fill up the remaining bytes which were not submitted with idle bits The Sync Pattern is fully user definable Sync Stripping Chapter 4 To provide the user with the possibility to strip or not strip the sync word from the synchronously received data or to insert or not insert the sync word into the synchronously transmitted data this option is implemented in the NETmate Receiver NOSTRIP The synchronously received sync word is submitted to the user via the asynchronous output In case the bit order
47. rmats e NIRAS An ASTERIX like protocol capable of encapsulating multiple frames into a single NIRAS packet e ASEP A legacy format used in a large number of application to exchange track data ASEP has the capability of encapsultaing multiple frames into a single NIRAS packet e Transparent Data exchanged from the synchronous interface channel 1 is forwarded after a complete frame has been received Receiver Data is received from the synchronous interface channel 1 and forwarded to the network encapsulating format Depending on the configuration the data will be forwarded to the network Transmitter Data received from the network is verified and unpacked by the network encapsulation format and forwarded if correct to the synchronous interface channel 1 Channel Setup 237 Station Id Station Identification is a 16 bit integer that is used in the NIRAS encapsulation format to be able to identify the origin of the NIRAS data stream Receiver NIRAS data transmitted to the network has the station id set to the specified value Transmitter Data received from the network is not checked against the configured station id Please note that the station id is a means to identify the origin not a means to address a specific unit Link Id Link Identification is a 16 bit integer when used in conjunction with the NIRAS format and an 8 bit integer when used in conjunction with the ASEP format Link Identification is used
48. sed by the ASEP and NIRAS network formats Receiver The data is transmitted to the network when The maximum frame size has been reached and thus the buffer is full No data has been received through the synchronous interface during the specified buffering time out Transmitter Buffering Time Out has no function for receiving data from the network 54 Chapter4 Network Transport Network Transport defines the TCP IP protocol that will be used to exchange data through the network The NETmate has three options UDP TCP CLT and TCP SRV e UDP User Datagram Protocol a connectionless oriented protocol There is no guarantee that the data transmitted is actually received by the destination e TCP CLT Transfer Control Protocol a connection oriented protocol Delivery of data is guaranteed by the protocol The CLT means CLIENT the NETmate thus expects a TCP server at the remote side The NETmate will initiate the connection e TCP SRV Transfer Control Protocol a connection oriented protocol Delivery of data is guaranteed by the protocol The SRV means SERVER the NETmate thus expects a TCP client at the remote side The remote side need to initiate the connection thus the NETmate waits until a remote unit connects Receiver Data is transmitted to the network using the specified protocol Transmitter Data is received from the network using the specified protocol Local Port The local port is the network port tha
49. t 0 becomes bit 7 bit 1 becomes bit 6 and so on Receiver Channel Setup 45 46 The Sync Pattern specifies the sync word a pattern of ones and zeros on which the receiver will synchronise The length of the sync pattern is a minimum of 5 bits and a maximum of 16 bits The sync pattern is compared after bit decoding takes place When the Sync Pattern has been received the device is considered to be in sync Bytes will now be submitted to the user asynchronously Transmitter The Sync Pattern denotes the start of a frame The pattern will be transmitted if there are bytes in the internal buffer If there are less bytes in the buffer than the specified frame length the NETmate will transmit the bytes in the buffer and fill up the remaining bytes which were not submitted with idle bits The Sync Pattern is fully user definable Sync Stripping Chapter 4 To provide the user with the possibility to strip or not strip the sync word from the synchronously received data or to insert or not insert the sync word into the synchronously transmitted data this option is implemented in the NETmate Receiver NOSTRIP The synchronously received sync word is submitted to the user via the asynchronous output In case the bit order is reversed the sync word will also be reversed STRIP The number of synchronisation bits are stripped from the synchronously received data In other words the sync word is stripped from the data Transmitt
50. t a known synchronous bit rate but not accompanied by a clock signal The synchronous clock speed can be selected from the Synchronous Speed menu The clock which is generated internally is placed on pin 24 of the DB25M connector The internally generated clock is synchronised continuously with the received data or better with the transitions in this data EXT With the external clock mode clock signals should be connected to the NETmate at pin 17 RCLK and pin 15 TCLK The RCLK is timebase related to the data on pins 3 RxD and the TCLK is timebase related to the data on pin 2 TxD The TCLK and RCLK need not to be related however usually they are Receiver Data is clocked in at the rate specified by the clock signal Transmitter Data is clocked out at the rate specified by the clock signal Channel Setup 51 Clock Line Inversion The NETmate has the capability to invert the clock signals when required by the specific type of modem connected to the NETmate The term inverted means the opposite of the standard clock signal used for commercial equipment Clock Line Inversion OFF thus means that the NETmate is adapted for commercial synchronous equipment e ON The clock signals incoming and outgoing TxC RxC ExC of the NETmate are inverted e OFF The clock signals incoming and outgoing TxC RxC ExC of the NETmate are not inverted Receiver Data is clocked in at the inverted or non inverted clock signal
51. t is used to send the network data from The local port is also known as source port In case TCP SRV is used the local port specifies to which port clients can connect Receiver Data transmitted to the network has a source port as specified Transmitter Data will be received from the network through the specified source port That means that other applications need to have their destination port set to the NETmate specified source port Channel Setup 55 Destination Address The destination address is used when exchanging data using the UDP and TCP CLT protocols When a UDP broadcast is required specify the correct network broadcast address in this field When connecting to a TCP server specify the address of the TCP server Receiver Data transmitted to the network will be addressed to the specified network address In case of a TCP CLT a connection will be set up to the specified server address Transmitter In case of a TCP CLT a connection will be set up to the specified server address Destination Portnumber The destination port number specifies to which port the network data will be transmitted In case of a TCP CLT it specifies to which port number the NETmate will connect Receiver Data transmitted to the network will be addressed to the specified port number and IP address Transmitter The destination port number has no function for the data received from the network Async Speed The speed selected in
52. the default settings as specified in Table 7 Network default settings Parameter name Value IP address 192 168 1 1 Network mask 255 255 255 0 Default gateway 192 168 1 254 Table 7 Network default settings To be able to configure the unit please make sure that the IP address of the system that is used to configure the NETmate is within the network address range of the NETmate In other words the configuring system should have an address in the range 192 168 1 2 192 168 1 254 21 22 Authentication Chapter 3 The first dialog that appears when trying to establish a conenction with the NETmate is an authentication dialog see Figure 3 Authentication dialog By entering the correct User Name and Password combination access to the NETmate is granted The NETmate has the default settings for authentication as specified in Table 8 Authentication default settings Parameter name Value User Name root Password manager Table 8 Authentication default settings Enter Network Password 2 x D gt Please type your user name and password Site 192 168 1 1 Realm Logon to NETmate User Name Password J Save this password in your password list Cancel Figure 3 Authentication dialog In case multiple attempt to logon fail or in case the Cancel button is selected in the logon dialog the NETmate will generate a message 401 UNAUTHORIZED that will be displayed in the web browser as illustrated in F
53. the value 1 will be encoded as transitions and bits with the value 0 will be encoded as steady states Bit Order Receiver For the receiver the bit order can best be described as the order in which the synchronously received bits are submitted to the asynchronous receiver The most commonly used bit order is LSB first however some applications require the opposite LSB FIRST The bit which is received first at the synchronous line will be placed at the LSB position of the byte which will be submitted to the asynchronous receiver No bit reversal is taking place MSB FIRST The bit which is received first at the synchronous line will be placed at the MSB position of the byte which will be submitted to the asynchronous receiver In short it means that bit 0 becomes bit 7 bit 1 becomes bit 6 and so on Transmitter Sync Pattern For the transmitter the bit order can best be described as the order in which the asynchronously received bytes are transmitted by the synchronous transmitter The most commonly used bit order is LSB first however some applications require the opposite LSB FIRST The bit at the LSB position of the byte received at the asynchronous input will be transmitted first by the synchronous transmitter No bit reversal is taking place MSB FIRST The bit at the MSB position of the byte received at the asynchronous input will be transmitted first by the synchronous transmitter In short it means that bi
54. this menu is used to transmit and receive asynchronous data via the asynchronous ports Make sure that the asynchronous baudrate is always higher than the synchronous speed e 1200 Asynchronous bitrate is 1200 No Parity 8 Bits 1 Stop bit e 2400 Asynchronous bitrate is 2400 No Parity 8 Bits 1 Stop bit 56 Chapter 4 e 4800 Asynchronous bitrate is 4800 No Parity 8 Bits 1 Stop bit e 9600 Asynchronous bitrate is 9600 No Parity 8 Bits 1 Stop bit e 19200 Asynchronous bitrate is 19200 No Parity 8 Bits 1 Stop bit e 38400 Asynchronous bitrate is 38400 No Parity 8 Bits 1 Stop bit e 115K2 Asynchronous bitrate is 115200 No Parity 8 Bits 1 Stop bit Receiver The asynchronous receive rate Transmitter The asynchronous transmit rate Channel Setup 57 58 Chapter 4 In case channel 1 is configured in the Async Channel 2 forwarding mode channel 2 can not be configured See Figure 8 Channel 2 configuration disabled e Model Type Channel 2 Configuration Firmware Revision ADD Engineering B V e Serial Number le System Uptime NM9021 1 010 9021000000 20 14 54 Error Channel 2 is in use for Async Forwarding see Channel 1 configuration Main Menu Figure 8 Channel 2 configuration disabled Chapter 5 Network Configuration The NETmate has a number of network parameters that can be configured to adapt the NETmate to your Local Area Network c
55. with the value 0 will be encoded as transitions and bits with the value 1 will be encoded as steady states INRZI Almost the same as NRZI but in this case all bits are simply inverted first In short bits with the value 1 will be encoded as transitions and bits with the value 0 will be encoded as steady states Receiver For the receiver the bit order can best be described as the order in which the synchronously received bits are submitted to the asynchronous receiver The most commonly used bit order is LSB first however some applications require the opposite e LSB FIRST The bit which is received first at the synchronous line will be placed at the LSB position of the byte which will be submitted to the asynchronous receiver No bit reversal is taking place e MSB FIRST The bit which is received first at the synchronous line will be placed at the MSB position of the byte which will be submitted to the asynchronous receiver In short it means that bit 0 becomes bit 7 bit 1 becomes bit 6 and so on Transmitter For the transmitter the bit order can best be described as the order in which the asynchronously received bytes are transmitted by the synchronous transmitter The most commonly used bit order is LSB first however some applications require the opposite e LSB FIRST The bit at the LSB position of the byte received at the asynchronous input will be transmitted first by the synchronous transmitter No bit
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