Patton electronic MODEL 2707/I User's Manual
Contents
1. 15 DG oss ati death unitate tei 16 Operation mm 17 ee HR CREER iei Rene 17 LED Stat s Moniltors delete RETINENS 17 Operating Line Loopback 19 G 703 Specifications 20 Network Data Rate uet a Rer re ih bn ER RA ine ed 20 20 Nominal Impedance re een ert ee petens 20 Line COMING ierit tere fe 20 line Framing speed nen HR Te hei e ERR Yee bte 20 D M Sue sa ta 20 DiStaANCO EE 20 Ethernet 10Base T Specifications 21 DTE IBterfaGe x eet tede e o tc e ovr edu 21 JTE Data Rates tr hr titula etr reet ttt us 21 LAN Connection s s oi rc trc e PIRE RD 21 ProtOCO EE 21 Address Table Size 22 2 21 MAG Address AGING xdi tec etre etr 21 Frame Burnet x ese SH iae o to ie 21 Frame Latency o oe es M eds 21 9 DIAQMOSUCS ciat re tr o a a e da E kad Indieatore o comete e B 11 Configuration B 12 Power Supply 13 Humidity gui B 14 Temperature B A5 DIM NSIONS ais ph E Rua A Factory Replacement Parts and Accessories2. 23 1 0 WARRANTY INFORMATION Patton Electronics warrants all Model 2707 1 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 consequential damages arising from the use of or inability to use this product Patton Electronics spe cifically 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 2707 l generates and uses radio frequency energy and if not installed and used properly that is in strict accordance with the manu facturer s instructions may cause interference to radio and television reception The Model 27071 has been tested and found to comply with the limits for a Class A computing device in accordance with the specifi cations in Subpart B of Part 15 of FCC rules which are designed to pro vide reasonable pr
3. An 150 9001 Certified Company USER MANUAL MODEL 2707 1 G 703 NTU with 10Base T Ethernet Interface DE PATTON Bd Zlectronics Co Part 07M27071 UM SALES OFFICE Doc 08625U2 001 301 975 1000 Rev TECHNICAL SUPPORT Revised 10 27 06 301 975 1007 DO oio 2 1 2 2 3 0 3 1 4 0 4 1 5 0 5 1 6 0 6 1 6 2 6 3 A 2 A 3 A 4 A 5 A 6 A 7 2 4 5 6 B 7 B 8 Warranty Information ni 4 Radio and TV Interference 4 GE Notice vis icc iere 4 4 General Information 6 EGalUl65 x 0 mA ens aie ave eit a S E 6 Descriptions nent ere eee eee nt eee eee 6 PPP Operational Background 7 Applications LEE es ee i EE 7 Configuratio N ence nee rentre ete citri e crac pen rais 9 DIP Switch Configurations 9 SWitch S setlings 5 eee ade dee 10 SW1 1 Line Coding HDB3 10 Installation sise 12 Connecting to the G 703 Network and Ethernet LAN 12 Connecting Dual Coaxial Cable 75 ohm to the G 703 Network 13 Connecting the Twisted Pair 120 ohm to the G 703 Network 14 Connecting the 10Base T Ethernet port to a PC DTE 14 Connecting the 10Base T Ethernet Port to a Hub 15 Power Connection 15 Universal AC Power 100 240 VAC
4. Caution 2 0 GENERAL INFORMATION Thank you for your purchase of this Patton Electronics product This product has been thoroughly inspected and tested and is warranted for One Year parts and labor any questions or problems arise during installation or use of this product please do not hesitate to contact Pat ton Electronics Technical Support at 301 975 1007 2 1 FEATURES Terminates G 703 E1 service Available in low cost standalone or rack mountable versions 2 048 Mbps data rate 10Base T Ethernet bridge PPP Point to Point Protocol RFC 1661 with Bridge Control Protocol RFC 1638 75 ohm dual coax and 120 ohm twisted pair G 703 connections Line loopback diagnostics Internal and G 703 network timing CE marked 100 240 VAC amp 48 VDC power options Conforms to ONP requirement CTR 12 for connection to international Telecom networks 2 2 DESCRIPTION The Model 2707 l receives clear channel E1 G 703 2 048 Mbps data from the telco s digital data network The Model 2707 l terminates the G 703 telco interface and converts the data for transmission to a user oriented 10Base T 802 3 Ethernet interface The Ethernet Model 2707 1 supports an integrated 10Base T 802 3 Ethernet port with transparent bridging capability for IP IPX DECnet NetBIOS and other layer 3 protocols The 2707 1 attaches to the LAN and intelligently bridges data traffic to the large central site router
5. Clear to Send CTS or Carrier Detect DCD from base unit are not asserted 4 pulses IM1 I buffer is saturated 5 pulses WAN receive frame s too large 6 pulses WAN receive frame s not octet aligned 7 pulses WAN receive frame s aborted 8 pulses Detected WAN receive frame s with 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 TM Active Yellow Solid Yellow indicates an Active Test Mode 18 6 3 OPERATING LINE LOOPBACK LL The Line Loopback LL test checks the operation of the local Model 27071 and is performed separately on each unit G 703 NTU Model 2707 1 2 Mbps G 703 Network Ethernet Network Clocking Device Cable Span Data Model 27071 Figure 12 Line loopback for a network termination application To perform an LL test set DIP switch S1 2 to Or The TM LED will be lit while the unit is in loopback test mode 19 APPENDIX 8 703 SPECIFICATIONS NETWORK DATA RATE 2 048 Mbps A 2 NETWORK CONNECTOR RJ 48C Dual Coax BNC A 3 NOMINAL IMPEDANCE 75 120 ohm A 4 LINE CODING Selectable AMI or HDB3 A 5 LINE FRAMING G 703 Unframed A 6 CLOCKING Internal or Network Receive Recover A 7 DISTANCE Maximum 6 000 ft 1 6 km On 24 AWG cable 20 APPENDIX ETHERNET 10BASE T SPECIFICATIONS B 1 DTE INTERFACE 10Base T on RJ 45
6. cable to connect the 10 Base T interface to a 10Base T hub 10Base T Port 10Base T Hub RJ 45 Pin RJ 45 Pin No 1 TD 1 RD 2 TD 2 RD 3 RD 3 TD 6 RD 6 TD Figure 9 Connecting the 10Base T Ethernet port to a hub Power Connection Universal AC Power 100 240 VAC The Model 2707 1 uses a 5VDC 2A universal input 100 240 VAC power supply center pin is 5V The universal input power supply has a male IEC 320 power entry connector This power supply connects to the Model 2707 by means of a barrel jack on the rear panel Many international power cords are available for the universal power supply Note Model 2707 l powers up as soon as it is plugged into an AC outlet there is no power switch 15 DC Power The 36 60 VDC DC to DC adapter is supplied with the DC version of the Model 2707 l The black and red leads plug into a DC source nominal 48VDC and the barrel power connector plugs into the barrel power supply jack on the 2707 See Figure 10 To Power Supply Jack To 48VDC Vin Source Black lead V Red lead V VO AS 1nd1no 09 96 LNANI 9050 90 048 300 HAMOd 9NIHOLIMS gt gt MS H3MOd LNd1NO Barrel power connector Figure 10 Connecting DC power to the 2707 1 DC power supply 16 6 0 OPERATION When the Model 2707 l has been properly configured and installed it should operate transpar
7. does not inherently account for ones density To meet this requirement the user should ensure that the data inherently meets pulse density requirements 11 5 0 INSTALLATION Once the Model 2707 is properly configured it is ready to connect to the G 703 interface to the Ethernet port and to the power source This section describes how to make these connections 5 1 CONNECTING TO THE G 703 NETWORK AND ETHERNET LAN This section describes installing the G 703 75 ohm and 120 ohm Ethernet LAN and power connections shown in Figure 4 Refer to the following to detemine which installation procedures you will use The 75 ohm dual coax female TXand RX are used for con necting to a 75 ohm dual coax 9 703 network interface If your G 703 network terminates via dual coaxial cables refer to section Connect ing Dual Coaxial Cable 75 ohm to the G 703 Network on page 13 The 120 ohm RJ 48C jack is used for connecting to a 120 twisted pair 3 703 network interface If your G 703 network terminates with a RJ 48C refer to section Connecting the Twisted Pair 120 ohm to the G 703 Network on page 14 The Ethernet 10Base T port is configured as DTE Data Terminal Equipment If the Model 2707 l is to connect to another DTE device such as a 10Base T network interface card in a PC refer to Connect ing the 10Base T Ethernet port to a PC DTE on page 14 Otherwise refer to Connecting the 10Base T Ethernet Por
8. F B 2 DTE DATA RATES 10 Mbps B 3 LAN CONNECTION RJ 45 10Base T 802 3 Ethernet B 4 PROTOCOL PPP RFC 1661 with Bridging Control RFC 1638 B 5 MAC ADDRESS TABLE SIZE 4096 entries B 6 MAC ADDRESS AGING MAC addresses deleted after 8 minutes of inactivity B 7 FRAME BUFFER 512 Frames B 8 FRAME LATENCY 1 frame B 9 DIAGNOSTICS Line Loopback B 10 INDICATORS E 1 Link 10Base T Link Ethernet Status Test Mode B 11 CONFIGURATION 8 Position DIP Switch 21 B 12 POWER SUPPLY 5 VDC external power supply 100 240VAC 50 60 2 0 4A B 13 HUMIDITY Up to 90 non condensing B 14 TEMPERATURE 0 50 C 32 122 F B 15 DIMENSIONS 3 5L x 2 1W x 0 78H in 9 0L x 5 3W x 2 0H cm 22 APPENDIX FACTORY REPLACEMENT PARTS AND ACCESSORIES Patton Model Description 2707 C G 703 NTU with a V 35 interface 2707 D G 703 NTU with an X 21 interface 27071 G 7034 NTU with 10Base T ethernet interface 08055DCUI Universal Input Power Supply 07 2707 1 User Manual 23 Copyright 2006 Patton Electronics Company All Rights Reserved 24
9. X T 2 Shield Shield 3 Shield Shield 6 RJ 48C Jack Signal Name 1 RX Receive Ring ponm RX Receive Tip 17 L3 Shield 4 TX Transmit Ring 5 gt TX Transmit Tip 6 6 Shield 7 7 connection 8 No connection Figure 6 G 703 120 ohm connection Connecting the 10Base T Ethernet port to a PC DTE To connect the Model 27071 to another DTE device such as a 10Base T network interface card construct a 10Base T crossover cable and con nect the wires as shown in Figure 7 below and Figure 8 on page 15 1 TD data output from 2707 1 2 TD data output from 2707 1 2 3 RD data input to 2707 _______4 no connection 5 no connection TT 6 RD data input to 2707 1 7 no connection 8 connection Figure 7 Connecting the 10Base T Ethernet Port to a PC JO O1 10Base T Port 10Base T DTE RJ 45 Pin No RJ 45 Pin No 1 TD 1 TD 2 TD 2 TD 3 RD 3 RD 6 RD 6 RD Figure 8 10Base T cross over cable connection Connecting the 10Base T Ethernet Port to a Hub The 10Base T interface is configured as DTE data terminal equipment just like a 10Base T network interface card in a PC Therefore it expects to connect to a 10Base T Hub using a straight through RJ 45 cable Refer to Figure 9 below and Figure 7 on page 14 to construct a
10. ently This section describes power up LED sta tus monitors and the built in loopback test modes 6 1 POWER UP Before applying power to the Model 2707 1 please review section Power Connection on page 15 to verify that the unit is properly connected to the appropriate power source 6 2 LED STATUS MONITORS The Model 2707 l features six front panel LEDs that monitor connections on the G 703 and 10Base T links signaling error and test modes Figure 11 shows the front panel location of each LED Table 2 on page 18 lists descriptions of each LED Fe PATION NetLink 10Base T G 703 NTU Link E1 10BT Status TM Figure 11 2707 1 front panel 17 Table 2 LED descriptions LED 1 Link Description Active Green Solid green On indicates that the end to end Link is up signifying that the link is active The E1 Link LED is Off when the link is down 10BT Link Active Green Solid green indicates that the 10Base T Ethernet interface has detected a valid SQE heartbeat signifying a valid 10Base T connection Status Blinks yellow from one to eleven times to indicate system status Each pulse pattern is separated by a 2 second off period Greater pulse patterns have higher priority buffer saturation has greater priority than an empty MAC table Valid system statuses are 1 pulse system status is okay 2 pulses no MAC entries in the MAC Address Table 3 pulses
11. face configured as a PPP Half Bridge The router serial interface connects to the WAN via 2707 V 35 E1 NTU and to the remote 2707 1 with support for PPP bridging The 2707 1 functions 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 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 network The above settings remove any routing forwarding intelligence from the 2707 1 The associated Cisco configuration will set serial interface s0 to accommodate half bridging for the above example interface 50 ppp bridge ip ip address 192 168 1 1 255 255 255 0 Authentication is optional under PPP In a point to point leased line link incoming customer facilities are usually fixed in nature therefore authen tication is generally not required 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 forward it to any other sub network However in cases where two devices need to communicate over the wide area bridging can be used to transport non routable protocols 4 0 CONFIGURATION The Model 2707 l features configuration capability via hardware DIP
12. ol the Network Line Coding options Set these options to be the same as the Line Coding given to you by your Service Provider If you are using two Model 2707 15 together as short range modems set both units to HDB3 SW1 1 Line Encoding Off HDB3 On AMI Options HDB3 AMI HDB3 In this line coding the transmitter substitutes a deliberate bipo lar violation when excessive zeros in the data stream are detected 10 The recognizes these special violations and decodes them as zeros This method enables the network to meet minimum pulse den sity requirements Unless AMI is required in your application HDB3 should be used whenever possible AMI Alternate Mark Inversion defines a pulse as a binary one as opposed to a zero In an E1 network connection signals are transmitted as a sequence of ones and zeros Ones are sent as pulses and zeros are sent as spaces i e no pulse Every other pulse is inverted from the previous pulse in polarity so that the signal can be effectively transmitted This means however that a long sequence of zeros in the data stream will cause problems since the NTU receiving the signal relies on the signal to recover the 2 048 Mbps clock Note If you must use AMI you should ensure that the data terminal equipment connected to the unit provides a minimally accept able pulse density For this reason there are advantages to using HDB3 instead AMI coding
13. otection from such interference in a commercial installation However there is no guarantee that interference will not occur in a particular installation If the Model 27071 does cause interfer ence to radio or television reception which can be determined by discon necting the cables the user is encouraged to try to correct the interference by one or more of the following measures moving the com puting equipment away from the receiver re orienting the receiving antenna and or plugging the receiving equipment into a different AC out let such that the computing equipment and receiver are on different branches 1 2 CE NOTICE The CE symbol on your Patton Electronics equipment indicates that it is in compliance with the Electromagnetic Compatibility EMC directive and the Low Voltage Directive LVD of the Union European EU A Cer tificate of Compliance is available by contacting Technical Support 1 3 SERVICE All warranty and nonwarranty repairs must be returned freight prepaid and insured to Patton Electronics All returns must have a Return Materi 4 als Authorization number on the outside of the shipping container This number may be obtained from Patton Electronics Technical Services at Tel 1 301 975 1007 Email support patton com URL http www patton com Note Packages received without an RMA number will not be accepted This device is not intended to be connected to the public telephone network
14. protocols Once each of the network layer protocols have been configured datagrams from the established network layer protocol 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 config ures 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 net work 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 WAN line to the remote bridge functions as a Virtual Ethernet interface effectively extending the routers WAN port connection to the remote network The bridge device sends bridge packets BPDU s to the router s WAN interface The router will receive the layer three address information and will forward these packets based on its IP address Model 2707 1 Model 2707 C 5 gi Router Ethernet LAN Customer s Site Service Provider s Network Figure 1 Cisco router with serial interface configured as PPP Half Bridge Figure 1 shows a typical Cisco router with a serial inter
15. switches This section describes all possible DIP switch configurations of the Model 2707 1 4 1 DIP SWITCH CONFIGURATIONS The Model 27071 has an internal DIP switch that enables configuration for a wide range of applications The DIP switch is accessed from the underside Figure 2 shows the location of the DIP switches on the bottom of the printed circuit board Rear Figure 2 Underside of Model 2707 1 showing location of DIP switches The DIP switches can be configured as either ON or OFF Figure 3 shows the orientation of the DIP switches with respect to ON OFF posi tions ON OFF Figure 3 Close up view of configuration switches DHS 8 Switch 51 settings Table 1 shows the settings for DIP switch S1 1 thru S1 8 Table 1 Switch 51 settings Switch Description Setting S1 1 Line Coding Off HDB3 On AMI S1 2 Line Loopback toward Off LLB disabled line On LLB enabled Note The Model 2707 1 when in line loopback mode will loop the network line and return any trafic received on the E1 line to the sending device at the remote end S1 3 Reserved Off Default 51 4 Reserved Off Default S1 5 Reserved Off Default 1 6 S1 7 Clocking Switch Switch 1 6 1 7 On On Network On Off Internal default Off On Reserved Off Off Network 51 8 Reserved Off Default SW1 1 Line Coding HDB3 default Use Switch SW1 1 to contr
16. t to a Hub on page 15 Refer to Power Connection on page 15 to connect the Model 2707 to a 100 240 VAC source or to a 36 60 VDC DC to DC adapter 120 ohm Power Ethernet 75 ohm 5 ohm Made in thb USA TX RX JB Power Ethernet L Line Figure 4 Model 2707 7 rear panel 12 Connecting Dual Coaxial Cable 75 ohm to the G 703 Network Refer to Figure 5 to make the proper connections DataTO TX RX Data Network FROM e Network Figure 5 Rear panel showing location of connectors Note The outer conductor of the coax cables are isolated from system earth ground When using the 75 interface jumper straps JP2 JP5 JP6 and JP7 must be installed over the jumpers The jumpers are located next to the BNC connectors Do the following to configure the jumpers 1 Open the case by inserting a screwdriver into the slots and twist the screwdriver head slightly The top half of the case will separate from the lower half of the case Take caution not to damage any of the PC board mounted components 2 Open the case and install jumper straps for JP2 JP5 JP6 and JP7 13 Connecting the Twisted Pair 120 ohm to the 4 703 Network Refer to the pinout and signals chart in Figure 6 to connect the 120 ohm G 703 network channel NETWORK SIGNAL SIGNAL RX R TX R 4 RX T TX T 5 TX R RX R 1 TX T R
17. through the telco s leased line network The 2707 1 supports PPP RFC 1661 and BCP RFC 1638 The Model 2707 is a 10Base T bridge that operates over 3 703 lines It uses MAC learning and forwarding to provide seamless LAN to LAN connectivity As a result corporate enterprises can connect their servers to a pair of NTUs and automatically forward data packets that are meant for the remote network Local packets are filtered and passed only to the local LAN 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 symmetric peer to peer protocol which can be divided into the following main components standard method to encapsulate datagrams over serial links Link Control Protocol LCP to establish configure and test the data link connection A family of Network Control Protocols NCPs to establish and config ure 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 configure one or more network layer
Download Pdf Manuals
Related Search