USER MANUAL
Contents
1. Transmit Data DTE Source R RD Receive Data DCE Source S TD Transmit Data DTE Source T RD Receive Data DCE Source VRC Receiver Clock DCE Source X RC Receiver Clock DCE Source YTC Transmitter Clock DCE Source AA TC Transmitter Clock DCE Source2. may be obtained from Patton Electronics Technical Support at Tel 301 975 1007 Email http Awww patton com www support patton 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 2135 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 Patton Electronics Technical Support at 301 975 1007 2 1 FEATURES Integral V 35 Male to 10BaseT Ethernet Industry standard shielded RJ 45 10BaseT connection 802 3 Ethernet supported by Transparent LAN bridging PPP Bridging Control Protocol RFC 1638 with auto detection for compatibility with existing Patton Bridge Modules 4096 MAC address table 512 KB RAM 128KB FLASH expandable to 512 KB Throughput latency of 1 frame Automatic LAN MAC address aging Nine LEDs monitor power LAN and DTE Interface sig nals 2 2 DESCRIPTION The Patton Model 2135 MicroBridge is an Ethernet Bridge that provides
3. that interference will not occur in a particular installation If the Model 2135 does cause interfer ence to radio or television reception which can be determined by dis connecting the unit the user is encouraged to try to correct the inter ference 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 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 fre quency 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 Compatibility EMC directive and the Low Voltage Directive LVD of the Union European EU A Certificate of Compliance is available by contacting Patton Technical Support 2 1 3 SERVICE All warranty and non warranty repairs must be returned freight prepaid and insured to Patton Electronics All returns must have a Return Materials Authorization RMA number on the outside of the shipping container This number
4. 135 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 modifi cation 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 2135 generates and uses radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio and tele vision reception The Model 2135 has been tested and complies with the limits for a Class A computing device in accordance with the speci fication in Subpart J of Part 15 of FCC rules that are designed to pro vide reasonable protection from such interference in a commercial installation However this is no guarantee
5. LAN extension when used in conjunction with a V 35 DCE device such as a DSU CSU NTU or router The Model 2135 performs transparent Ethernet bridging and func tions at the MAC level thus is transparent to higher level pro tocols such as TCP IP DECnet NETBIOS and IPX network protocols Only broadcast multicast or frames set up for peered LAN are forwarded The Model 2135 is 802 3 Ethernet compliant and supports PPP Bridging Control Protocol RFC 1638 on the DTE side 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 con figure and test the data link connection 3 A family of Network Control Protocols NCPs to establish and configure different net work 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 lay
6. USER MANUAL Model 2135 Ethernet Micro Bridge Pe PATTON E FlectronicsTo ISO Part 07M2135 A SALES OFFICE ot see UA 301 975 1000 evised 03 29 00 TECHNICAL SUPPORT a 301 975 1007 An IS0 9001 http www patton com Certified Company TABLE OF CONTENTS Section Page 120 Warranty INfOnmatiOn sissisodan 2 1 1 Radio and TV Interference 1 2 CE Notice 1 3 Service 2 0 General INFOrmation cccccccccccccccececceeeeeseseeseessssrsrssseeeees 4 2 1 Features 2 2 Description 3 0 PPP Operational BackQround ecceeeeeseeeeeeeteneeeteeeeeeetees 5 3 1 Applications 4 0 MASA ANON poiriers apni na 7 4 1 Connect to 10BaseT Ethernet Port 4 1 1 Connect the 10BaseT Ethernet Port to a Hub 4 1 2 Connect the 10BaseT Ethernet Port to a PC DTE 4 2 Connect to the DTE Interface 4 3 Power Connection 4 3 1 AC Power Supply 100 240VAC 4 3 2 DC Power 5 0 COmMIQUEALION sisien srine reiden eedi iiny ieies 9 5 1 LED Status Monitors 5 1 1 LAN side LEDs 5 1 2 LED Descriptions 5 1 3 Power and DCE DTE Interface LEDs Appendix A Specifications ceeecceeeseeeseeseeeeeeeeseeeteeeteaeeeee 12 Appendix B Factory Replacement Parts 0 0 ee 13 Appendix C 10BaseT Interface Pin Assignment 006 14 Appendix D Terminal Interface Pin Assignment 15 Appendix E Power Supply Interface c ceceeeeeeeeeeeeeeeee 16 1 0 WARRANTY INFORMATION Patton Electronics warrants all Model 2
7. ed pair link integrity Figure 4 shows the LEDs located at the rear of the Model 2135 Following Figure 4 is a description of each LED function Figure 5 shows the LEDs located on the top of the Model 2135 RJ 45 Jack 10BaseT connection POWER 4 JACK 4 o 4 Yelow LED Status Green LED link integrity Figure 4 2135 rear view 5 1 2 LED Descriptions The status LED 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 ok 2 pulses No MAC entries in the MAC address table 3 pulses Clear to send CTS or Carrier Detect DCD from base unit are not asserted 4 pulses IMRC2 IA 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 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 After a status code is displayed eight times and the associ ated condition is removed the status code will no longer appear The link LED glows green to indicate link integrity o
8. er protocols Once each of the net work 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 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 1 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 C
9. isco will have an IP address on the same Ethernet subnet as the bridge 2135 Router T A ga mna ee Ethernet L PEC Device w Serial I F Figure 1 Cisco router with serial interface configured as PPP Half Bridge Customer Site 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 2 illustrate
10. l 2135 Ethernet connector pinout 4 1 1 Connect the 10BaseT Ethernet Port to a Hub The Model 2135 10BaseT interface is configured as DTE Data Terminal Equipment Use the diagram below to construct a cable to connect the 2135 to a 10BaseT Hub 2135 10BaseT Hub RJ 45 Pin No RJ 45 Pin No UTX jaiii 1 RX BUT sdcdotesedcbuieavivisiens 2 RX 3 RX cccceeseseseeeeeeeees 3 TX B RX Jaee 6 TX 4 1 2 Connect the 10BaseT Ethernet Port to a PC DTE The Model 2135 10BaseT interface is configured as DTE Data Terminal Equipment To connect the 2135 to another DTE such as a 10BaseT network interface card in a PC construct a 10BaseT crossover cable as shown in the diagram on the follow ing page 2135 10BaseT DTE RJ 45 Pin No RJ 45 Pin No 2 TX e y 3 RX 6 RX 7 4 2 CONNECT TO THE DTE INTERFACE The DTE interface is a V 35 DTE M 34 male connector designed to plug directly into a DCE interface See Appendix C V 35 Interface Pin Assignments 4 3 POWER CONNECTION The Model 2135 offers either an AC or DC power supply 4 3 1 AC Power Supply 100 240VAC The Model 2135 uses a 5VDC 2A universal input 100 240VAC power supply center pin is 5V The universal input power supply is equipped with a male IEC 320 connec tor This power supply connects to the Model 2135 via a bar rel jack on the rear panel A variety of international power cords are available for the u
11. mpliance SPECIFICATIONS RJ 45 10BaseT 802 3 Ethernet sup ported by Transparent LAN bridging M34 connector V 35 DTE orientation PPP RFC 1661 with Bridging Control Protocol RFC 1638 4096 entries MAC addresses deleted after eight min utes inactivity 512 KB RAM 128 KB FLASH 1 frame 1 yellow general status 1 green link integrity TD RD and Power green DTR CTS and CLK Yellow 100 240VAC 50 60Hz 0 4A 500mA 5VDC Up to 90 non condensing 0 50C 9 0 x 5 3 x 2 0 cm 3 5 L x 2 1 W x 0 78 H FCC Part 15A CE Mark per EEC Directive 89 336 EEC Low Voltage Directive 73 23 EEC 12 APPENDIX B 2135 FACTORY REPLACEMENT PARTS Part Description OLM2T 8 Dss 2135 User Manual O805DCUI 0 100 250 VAC Universal Power Supply 13 APPENDIX C 10BaseT Interface Pin Assignment RJ 45 Female Connector DTE Configuration Pin Signal 17TD data output from 2135 2 TD data output from 2135 3 RD data input to 2135 4 no connection 5 no connection 6 RD data input to 2135 7 no connection 8 no connection 14 APPENDIX D APPENDIX E Terminal Interface Pin Assignment POWER SUPPLY INTERFACE M 34 Male Connector Via 5VDC power jack J1 Center Pin 5VDC 500 mA minimun Pin Signal A GND Earth Ground Shield Outer Barrel Ground B SGND Signal Ground DCTS DCE Source E DSR DCE Source Always On F CD DCE Source H DTR DTE Source P TD
12. n the 10BaseT twisted pair line 5 1 3 Power and DCE DTE Interface LEDs Seven LEDs indicate POWER and DTE DCE activity on the front of the 2135 10 GE LZ IPPON Figure 5 Front of Model 2135 showing LED Indicators TXD Trasmit data LED green blinks to indicate data transitions and remains OFF when no data is transmitted idle RXD Received data LED green blinks to indicate data transi tions and remains OFF when no data is received idle DTR Data Terminal Ready LED yellow turns ON at power up to indicate to the DCE that the 2135 is active CTS Clear to Send LED yellow turns ON when the 2135 is ready to receive data from the DCE DCD Data Carrier Detect LED yellow Turns ON to indicate that a carrier detect signal is received from the DCE CLK Clock Signal LED yellow blinks to indicate that the transmit clock from the DCE is active The CLK LED will remain OFF to indicate the absence of the transmit clock PWR LED green turns ON as soon as power is applied to the 2135 11 APPENDIX A PATTON ELECTRONICS MODEL 2135 LAN Connection DTE connection Protocol MAC Address Table Size MAC Address Aging On board Memory Frame Latency LEDs LAN Side LEDs DTE Side Power supply Input Power Consumption Humidity Temperature Dimensions Co
13. niversal power supply The Model 2135 powers up as soon as it is plugged into an AC outlet The unit does not have a power switch 4 3 2 DC Power Supply DC power directly to the power supply jack DC power supplied must be 5VDC 5 500mA minimum cen ter positive and can be supplied via a barrel type plug with 2 1 5 5 10mm 1 D 0 D Shaft Length dimensions 5 0 CONFIGURATION All configuration is done through software auto detection for the Model 2135 Once you have configured your mux or other equipment to be connected to the 2135 the unit is ready for operation Observe that the serial port of the 2135 is configured as a DTE and must connect to a DCE The LAN port also requires no configuration to connect to a 10BaseT Ethernet Note The V 35 Interface is configured as a DTE The 2135 will transmit and receive data to and from the DCE based on the speed of the clocks received from the DCE On the LAN side interface data is sent and received in burst mode at 10Mbps 5 1 LED STATUS MONITORS The 2135 uses two LEDs on the Ethernet connection side A green LED indicates that link connection to the net work is established The yellow LED displays status codes See section 5 1 2 for status code information Seven low power LEDs located on the top of the 2135 case indicate POWER and V 35 signal activity 5 1 1 LAN side LEDs The Model 2135 features two LAN LEDs that monitor general operation status and the 10BaseT twist
14. s transparent bridging between two routers over a serial interface sO Bridging will occur 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 Patton Modems with interface EthernetO Router A Ethernet Interface ip address 1 1 1 1 255 255 255 0 fe al bridge group 1 interface Serial LAN Using Bridge Groups multi V ip address 1 1 1 1 255 255 255 0 ple remote LANs can be SY encapsulation PPP bridged over the wide area bridge group 1 interface Serial1 ip address 2 2 2 2 255 255 255 0 bridge group 1 bridge 1 protocol ieee SF SF Patton Modems with j g f Ethernet Interface 7 Figure 2 Transparent bridging between two routers over a serial link 6 4 0 INSTALLATION The 2135 is equipped with DTE Network and power inter faces This section briefly describes connnection to each inter face 4 1 CONNECT TO 10BASET ETHERNET PORT The shielded RJ 45 Ethernet port on the Model 2135 is designed to connect directly to a 10BaseT network Figure 3 shows the 10BaseT RJ 45 port pin description You may make connections up to 3 feet using type 4 or 5 cable 1 TD data output from Ethernet 2 TD data output from Ethernet 3 RD data input to Ethernet 4 no connection 5 no connection 6 RD data input to Ethernet 7 no connection 8 no connection Figure 3 Mode
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