Patton electronic IM1/I4 User's Manual
Contents
1. PEC Device w Serial I F Internet gt Service Provider s Network Figure 2 Cisco router with serial interface configured as PPP Half Bridge For example the customer site is assigned the addresses 192 168 1 0 24 through 192 168 1 1 24 The address 192 168 1 1 24 is also the default gateway for the remote net work The above settings remove any routing forwarding intel ligence from the CPE The associated Cisco configuration will set serial interface sO to accommodate half bridging for the above example Authentication is optional under PPP In a point to point leased line link incoming customer facilities are usually fixed in nature therefore authentication is generally not required If the foreign device requires authentication via PAP or CHAP the PPP software will respond with default Peer ID consisting of the units Ethernet MAC address and a password which consists of the unit s Ethernet MAC address Some networking systems do not define network numbers in packets sent out over a network If a packet does not have a specific destination network number a router will assume that the packet is set up for the local segment and will not for ward it to any other sub network However in cases where two devices need to communicate over the wide area bridg ing can be used to transport non routable protocols Figure 3 illustrates transparent bridging between two routers over a serial interface sO Bridging will o2. 4 Pulses Detected Buffer Saturation 5 Pulses Detected WAN Receive Frame s Too Large 6 Pulses Detected WAN Receive Frame s Not Octet Aligned 7 Pulses Detected WAN Receive Frame s Aborted 8 Pulses Detected WAN Receive Frame s With Bad CRC 9 Pulses Detected LAN Receive Frame s Too Large 10 Pulses Detected LAN Receive Frame s Not Octet Aligned 11 Pulses Detected LAN Receive Frame s With Bad CRC BSAT Yellow On indicates that all buffer memory reserved for user data has been saturated used up This condition may exist for only a brief moment and is completely recoverable After the buffer saturation condition is removed the BSAT LED continues to be on for 60 seconds after the buffer saturation condition is repre sented on the SYS LED TP4 Green On indicates that port 4 is receiving link integrity or a packet A given status code will be displayed 8 times until another status code will be displayed The unit will check all status conditions attempting to indicate as many status codes as possible in sequential order After a status code is displayed 8 times and the associated condition is removed the status code will no longer appear TP1 Green On indicates that port 1 is receiving link integrity or a packet 13 14 APPENDIX A PATTON MODEL IM1 l4 SPECIFICATIONS LAN Connection Protocol MAC Address Table Size MAC Address Aging On board Memory Frame Latency Interface Ba
3. Power Supply Then power up the base unit using the rear power switch 12 5 3 LED STATUS MONITORS COL Yellow On pulse indicates that collisions are detected in he LAN The Model IM1 l4 features two LEDs that monitor general operat me ing status and the 10Base T twisted pair link integrity Figure 6 below shows the LEDs located directly beneath the RJ 45 jack Following Figure 6 is a description of each LEDs function TP2 Green On indicates that port 2 is receiving link integrity or a packet i WANF Yellow On indicates that a WAN failure has occurred A Quick Connect Interface Module WAN failure is defined to be any of the following e No WAN CTS or DCD Signal e WAN Receive Frame s Too Large e WAN Receive Frame s Not Octet Aligned s SYS TP1 COL TP2 WANF TP3 BSAT TP4 lt WAN Receive Frame s Aborted Ethernet 10Base T e WAN Receive Frame s With Bad CRC Figure 6 Model IM1 l4 Panel Showing RJ45 Jacks and LEDs The WANF LED is on while the condition s persist After all con ditions are removed the WANF LED continues to be on for 60 err 4 seconds after the failure condition s are represented on the SYS SYS Yellow Pulses on to indicate one of eleven conditions s P LED They are as follows TP3 G On indicates that port 3 is receiving link integrity or 1 Pulse Status OK i ad ge p g grity 2 Pulses Detected No LAN Source MAC Addresses 3 Pulses Detected No WAN CTS or DCD Signal
4. modes on the base units so that one unit is configured for Internal clocking mode and the other unit is set for Receive Recover clocking mode BASE UNIT CLOCK MODES Unit A Unit B Internal Clock Setting Receive Recover Clock Setting NOTE Unit A and Unit B are arbitrarily chosen It does not matter which unit is A and which is B 3 All other base unit settings depend upon your application and on the application medium twisted pair or coaxial cable 4 0 INSTALLATION The Model IM1 l4 is completely plug and play This section tells you how to make the connections 4 1 INSTALLING THE QUICKCONNECT MODULE Each Quick Connect Module has a 50 pin card edge connector on one side and an ethernet interface on the other The instructions below describe how to remove the existing QuickConnect Module and how to install the new IM1 l4 module If your base unit does not have an existing QuickConnect already installed please skip to sec tion 4 1 2 4 1 1 Removing the Existing QuickConnect Module 1 Turn the power switch off Leave the power cord plugged into a grounded outlet to keep the unit grounded 2 Loosen the two thumbscrews on the module by turning them counterclockwise 3 Grasp the two thumbscrews and gently pull the module from the unit Apply equal force to the thumbscrews to keep the module straight during the removal process 4 1 2 Installing the New Q
5. or 1095 The Model IM1 I4 is designed to be used as one of a pair of units Figure 1 below illustrates a typical Model IM1 I4 instal lation Rack Mounted 1095RC with 1099 with IM2RC Bridge Module IM1 l4 Hub Module a ei 10Base T Workstations 10Base T Ethernet a3 AnA mgA Figure 1 Typical Model IM1 l14 application 3 0 PPP OPERATIONAL BACKGROUND PPP is a protocol used for multi plexed transport over a point to point link PPP operates on all full duplex media and is a sym metric peer to peer protocol which can be broken into three main components 1 A standard method to encapsulate datagrams over serial links 2 A Link Control Protocol LCP to establish configure and test the data link connection 3 A family of Network Control Protocols NCPs to establish and configure different network layer protocols In order to establish communications over a point to point link each end of the PPP link must first announce its capabilities and agree on the parameters of the link s operation This exchange is facilitated through LCP Configure Request packets Once the link has been established and optional facilities have been negotiated PPP will attempt to establish a network protocol PPP will use Network Control Protocol NCP to choose and con figure one or more network layer protocols Once each of the net work layer protocols have been configured datagrams from the established network layer p
6. CTING TO AC OR DC POWER Instructions for connecting the power supply Universal Interface AC Power Supply and DC Power Supply option are contained within the base unit user manual Please refer to the base unit manual for connection details WARNING The Model IM1 I4 interface card has been specifically designed to work with UI and DC versions of Pation Electronics base units Use with 120 230VAC ver sions could result in damage to the unit If you are unsure of your base unit power supply please contact Patton Electronics technical support at 301 975 1007 or at sup port patton com 11 5 0 OPERATION Once the Model IM1 14 is installed it should operate transparent ly This sections describes power up general operating instructions and the LED status monitors 5 1 OPERATING INSTRUCTIONS In order to operate the Model IM1 l4 must be installed in the base unit It also requires a 10Base T connection After power is applied the IM1 l4 automatically starts performing the bridging function without further user intervention MAC addresses discovered are automatically loaded into the MAC address table They are automatically deleted from the MAC address table if they experience an inactivity of 8 min utes 5 2 POWER UP Before applying power to the IM1 l4 please be sure it is properly installed in the base unit Then make sure that unit is connected to the appropriate power source Universal Interface AC Power Supply or DC
7. USER MANUAL MODEL IM1 I4 Ethernet Bridge with Integral 4 Port Hub QuikConnect Module Ethernet 10 Base T Ps PATTON 3 FlectronicsTo Part 07MIM1 14 C ie Doc 090141UC A Revised 07 19 00 301 975 1000 Arhi TECHNICAL SUPPORT 301 975 1007 An ISO 9001 http www patton com Certified Company 1 0 WARRANTY INFORMATION Patton Electronics warrants all Model IM1 l4 components to be free from defects and will at our option repair or replace the product should it fail within one year from the first date of shipment This warranty is limited to defects in workmanship or materials and does not cover customer damage abuse or unauthorized modification If this product fails or does not perform as warranted your sole recourse shall be repair or replacement as described above Under no condition shall Patton Electronics be liable for any damages incurred by the use of this product These damages include but are not limited to the following lost profits lost savings and incidental or consequen tial damages arising from the use of or inability to use this product Patton Electronics specifically disclaims all other warranties expressed or implied and the installation or use of this product shall be deemed an acceptance of these terms by the user 1 1 RADIO AND TV INTERFERENCE The Model IM1 l4 generates and uses radio frequency energy and if not installed and used properly that is in str
8. ccur between the two Ethernet Interfaces on Router A e0 and e1 and the two Ethernet Interfaces on Router B e0 and e1 no ip routing interface EthernetO ip address 1 1 1 1 255 255 255 0 bridge group 1 interface SerialO ip address 1 1 1 1 255 255 255 0 encapsulation PPP bridge group 1 interface Serial1 ip address 2 2 2 2 255 255 255 0 bridge group 1 bridge 1 protocol ieee Serial Interface Router A Patton DSL Modem with Ethernet Interface LAN Router B Using Bridge Groups multi v ple remote LANs can be SF bridged over the wide area i lt A Serial Interface Figure 3 Transparent bridging between two routers over a serial link 6 3 0 CONFIGURATION The Model IM1 14 module plugs into Patton s fiber and copper baseband modems to provide Ethernet LAN extension The IM1 14 has no switches or jumpers and does not need to be configured However factors such as type of medium throughput across the link and clocking mode must be determined by the settings of the base band modems Please refer to your baseband modem i e 1092A 1095 etc to make the following settings 1 Bit Rate The DTE rate setting of your base unit corresponds to the throughput of your IM1 14 bridge module Use higher speeds to allow maximum throughput to your extended LAN NOTE The IM1 14 only supports synchronous speeds 2 Clocking Mode Set the clocking
9. ict accordance with the manufacturer s instructions may cause interference to radio and televi sion reception The Model IM1 l4 has been tested and complies with the limits for a Class A computing device in accordance with the specifi cation in Subpart J of Part 15 of FCC rules that are designed to provide reasonable protection from such interference in a commercial installa tion However this is no guarantee that interference will not occur in a particular installation If the Model IM1 l4 does cause interference to radio or television reception which can be determined by disconnecting the unit the user is encouraged to try to correct the interference by one or more of the following measures moving the computing equipment away from the receiver reorienting the receiving antenna and or plug ging the receiving equipment into a different AC outlet such that the computing equipment and receiver are on different branches In the event the user detects intermittent or continuous product malfunction due to nearby high power transmitting radio frequency equipment the user is strongly advised to use only a shielded twisted pair data cable that is bonded to metalized external outer shield plugs at both ends The use of a shielded cable satisfies compliance with the Electromagnetic Compatibility EMC directive 1 2 CE NOTICE The CE symbol on your Patton Electronics equipment indicates that it is in compliance with the Electromagnetic Compatib
10. ility EMC directive and the Low Voltage Directive LVD of the Union European EU A Certificate of Compliance is available by contacting Patton Technical Support 1 3 SERVICE All warranty and nonwarranty repairs must be returned freight pre paid and insured to Patton Electronics All returns must have a Return Materials Authorization number on the outside of the shipping contain er This number may be obtained from Patton Electronics Technical Support at 301 975 1007 hitp www patton com support pat ton com NOTE Packages received without an RMA number will not be accepted Patton Electronics technical staff is also available to answer any questions that might arise concerning the installation or use of your Model IM 1 14 Technical Support hours 8AM to 5PM EST Monday through Friday WARNING This device is not intended to be con nected to the public telephone network 2 0 GENERAL INFORMATION Thank you for your purchase of this Patton Electronics product This product has been thoroughly inspected and tested and is warrant ed for One Year parts and labor If any questions or problems arise during installation or use of this product please do not hesitate to con tact us at 301 975 1007 http www patton com support pat ton com 2 1 FEATURES e Standard interface module for use in QuikConnect platform e Integral 4 Port HUB e Industry standard RJ 45 10Base T connections four e Transparent LAN b
11. ridging e PPP Point to Point Protocol RFC 1661 with Bridging Control Protocol RFC 1638 4096 MAC address table e 1 MB RAM 128 KB FLASH Throughput latency of 1 frame e Automatic LAN MAC address aging 2 2 DESCRIPTION The Patton Model IM1 l4 QuikConnect is an Ethernet Bridge with built in four 4 port hub The IM1 l4 interface module provides LAN extension when used in conjunction with either the IM1 I IM2RC IA or IM1 l4 modules The module performs transparent Ethernet bridging and functions at the MAC level As such the mod ule and its communications infrastructure is transparent to higher level protocols such as TCP IP DECnet NETBIOS and IPX network protocols Only broadcasts multicasts or frames destined for peered LAN are forwarded The Model IM1 I4 is 802 3 compliant and supports PPP RFC 1661 with Bridging Control Protocol RFC 1638 Once installed in the local Patton base unit the Patton IM1 l4 works in a plug and play manner to forward LAN broadcasts multi casts and frames destined for the peered Ethernet LAN at the remote end the Patton base unit at the remote end must be equipped with an IM I IM1 l4 or IM2RC I module Using the Patton IM1 I4 Ethernet LANs can be linked over leased 2 wire 4 wire DDS PCM and campus fiber circuits 3 2 3 TYPICAL APPLICATION The Model IM1 l4 QuickConnect is designed to plug directly into the rear of a Patton Electronics baseband modem e g Model 1092A
12. rotocol can be sent over the link The link will remain configured for these communications until explicit LCP or NCP packets close the link down or until some external event occurs The PPP Bridging Control Protocol BCP defined in RFC 1638 configures and enables disables the bridge protocol on both ends of the point to point link BCP uses the same packet exchange mechanism as the Link Control Protocol LCP BCP is a Network Control Protocol of PPP bridge packets may not be exchanged until PPP has reached the network layer protocol phase 3 1 Applications In situations where a routed network requires connectivity to a remote Ethernet network the interface on a router can be configured as a PPP IP Half Bridge The serial line to the remote bridge functions as a Virtual Ethernet interface effec tively extending the routers serial port connection to the remote network The bridge device sends bridge packets BPDU s to the router s serial interface The router will receive the layer three address information and will forward these packets based on its IP address Figure 2 shows a typical Cisco router with a serial interface configured as a PPP Half Bridge The router serial interface uses a remote device that supports PPP bridging to function as a node on the remote Ethernet network The serial interface on the Cisco will have an IP address on the same Ethernet subnet as the bridge IM1 l4 Router Ethernet LAN CTS CEST
13. se Unit Compatibility LED Indicators Power Supply Temperature Range Dimensions Weight RJ 45 10Base T 802 3 Ethernet PPP RFC 1661 with Bridging Control Protocol RFC 1638 4096 entries MAC addresses deleted after 8 min utes inactivity 1 MB RAM 128 KB FLASH 1 frame card edge connection to QuikConnect port on Patton base unit 1092 1092A 1093 1094 1094A 1095 1184 and 1185 SYS TP1 COL TP2 WANF TP3 BSAT and TP4 5 Volts 510 mA supplied to module by connection to Patton QuikConnect interface 32 to 122 F 0 to 50 C 2 9 x 3 2 7 4 cm x 8 1 cm 0 25 Ib 0 11 kg 15 an 5 APPENDIX B IM1 14 INTERFACE PIN ASSIGNMENT 10BASE T Interface Pin Description RJ 45 Female Connector Hub Configuration Signal RD data input to IM1 I4 RD data input to IM1 14 TD data output from IM1 14 no connection no connection TD data output from IM1 14 no connection no connection OANOoaBRWD Copyright 2000 Patton Electronics Company All Rights Reserved 16
14. tions up to 330 feet using Type 4 or 5 cable 1 RD data input to IM1 14 3 TD ns cis em NUD 2 data output from ey no connection 5 5 no connection TON TD data output from IM1 14 oe no connection no connection Figure 5 10BaseT RJ 45 Port Pin Description 4 2 1 Connecting the Hub Ports to Workstations The Model IM1 l4 10Base T hub interfaces are configured as DCE Data Circuit Terminating Equipment Therefore it expects to con nect to a 10Base T workstation using a straight through RJ 45 cable Use the diagram below to construct a cable to connect the IM1 l4 toa workstation IM1 14 10BaseT Workstation RJ 45 Pin No RJ 45 Pin No 1 RD 1 TD 2 RD 2 TD 3 T RD 6 TD 6 RD 4 2 2 Connecting the Hub Ports to a Hub DCE The Model IM1 l4 10Base T interface is configured as DCE Data Circuit Terminating Equipment If you wish to connect the IM1 14 10Base T ports to another hub or a 10Base T port that looks like a hub refer to the diagram below to construct a 10Base T crossover cable IM1 14 Hub RJ 45 Pin No RJ 45 Pin No 1 RD 1 RD 2 RD 2 RD 3 TD 3 TD 6 TD 6 TD 10 4 3 CONNECTION TO THE LINE INTERFACE MEDIA Instructions for connecting the line interface media twisted pair or fiber optic cable are contained within the base unit user manual Please refer to the base unit manual for connection details 4 4 CONNE
15. uickConnect Module 1 Make sure the power switch on the base unit is off Leave the power cord plugged into a grounded outlet to keep the unit grounded 2 Hold the module with the faceplate toward you and align the module with the guide slots in the rear panel of the base unit 3 While keeping the module s faceplate parallel with the base unit rear panel slide the module straight in so that the card edge contacts line up with the socket inside the chassis Figure 4 below shows how a Quick Connect Module plugs into the rear of the base unit Figure 4 Installation of Model IM1 l4 Plug in Serial Interface Module NOTE The card edge connector should meet the socket when it is almost all the way into the chassis If you encounter a lot of resistance remove the module and repeat steps 2 amp 3 4 With the card edge contacts aligned with the socket firmly seat the module by using your thumbs to apply pressure directly to the right and left edges of the module faceplate Applying mod erate and even pressure should be sufficient to seat the mod ule You should hear it click into place 5 To secure the module in place push the thumbscrews into the chassis and turn the screws clockwise to tighten 4 2 CONNECTING TO THE 10BASE T ETHERNET PORT The Ru 45 Ethernet port on Model IM1 l4 is designed to connect directly to a 10BaseT network Figure 5 below shows the 10BaseT RJ 45 port pin description You may make connec
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