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Digital Equipment DECbrouter 90 Installation And Operating Information

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DECbrouter 90T
Installation and Operating Information
Order Number: EK–DECBR–OM. A01

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Summary of Contents for Digital Equipment DECbrouter 90

  • Page 1 DECbrouter 90T Installation and Operating Information Order Number: EK–DECBR–OM. A01...
  • Page 2 First Edition, April 1993 The information in this document is subject to change without notice and should not be construed as a commitment by Digital Equipment Corporation. Digital Equipment Corporation assumes no responsibility for any errors that may appear in this document.

  • Page 3: Table Of Contents

    Select a location......... 2–1 Place the DECbrouter 90 on a table......2–1 Mount the DECbrouter 90 on a wall.
  • Page 4 Connection ........1–7 DECbrouter 90 LEDs ....... 1–3 1–9...
  • Page 5 DECbrouter 90 Features ......1–1 1–4 DECbrouter 90 LEDs ....... 1–2 1–10 Troubleshooting a DECbrouter 90 Standalone Unit .

  • Page 7: Preface

    DECbrouter 90T1—single port • DECbrouter 90T2—dual port • DECbrouter 90T2A—dual port The DECbrouter 90 is designed to work either as a standalone unit or in the DEChub 90 backplane. Organization This manual contains three chapters and three appendices. • Chapter 1 provides an overview of the DECbrouter 90 and describes the features of the DECbrouter 90.
  • Page 8 Conventions This manual uses the following conventions: Convention Meaning Note Provides general information about the current topic. A number in a black circle in text refers to the corresponding number in an accompanying illustration. viii...

  • Page 9: Features

    Overview This chapter describes the features of the DECbrouter 90, shows several typical configurations, summarizes the installation procedures for the DECbrouter 90, and describes the DECbrouter 90 LEDs and connectors. The DECbrouter 90 family consists of three models: • DECbrouter 90T1 •...

  • Page 10: Overview Features

    • Simple Network Management Protocol (SNMP) through HUBwatch or other network management system Table 1–1 summarizes the features for each model of the DECbrouter 90. DECbrouter 90T1 The DECbrouter 90T1 is a Digital Wide Area Router/Bridge consisting of two interfaces and one console port. The interfaces consist of one Ethernet interface and one synchronous serial port.

  • Page 11: Decbrouter 90T2A

    Overview Features DECbrouter 90T2A The DECbrouter 90T2A is a Digital Wide Area Router/Bridge consisting of three interfaces and one console port. The interfaces consist of one Ethernet interface and two synchronous serial ports. The Ethernet interface is either a ThinWire (10Base2) port or a twisted pair (10BASET) port exclusively. The synchronous serial port supports any two of the following six standards, in any combination, as determined by the cable attached to the synchronous serial port:...

  • Page 12: Decbrouter 90 Features

    Overview Features Table 1–1 summarizes the features of the DECbrouter 90 models. Table 1–1 DECbrouter 90 Features Features by Model Number Interface/Console Supported 90T1 90T2 90T2A Interfaces Ethernet Synchronous Serial EIA530A – RS232/V.28 RS449/RS422/V.11 – RS449/RS423 – /V.10 V.35 –...

  • Page 13: Typical Configurations

    DECbrouter 90T1 in an Ethernet local area network (LAN). If you use the DECbrouter 90 as a standalone unit, then it operates without using the DEChub 90 and uses a separate power supply. The modular power...

  • Page 14: Typical Decbrouter 90T1 Connection

    Overview Typical Configurations Figure 1–1 Typical DECbrouter 90T1 Connection LAN1 Ethernet ThinWire DECrouter 250 Modem Modem Telephone Telephone Lines Lines Modem Modem V.35 EIA530 DECbrouter 90T1 DECbrouter 90T1 LAN2 LAN3 Ethernet ThinWire Ethernet ThinWire LJ-02754-TI0 1–6 Overview...

  • Page 15: Typical Decbrouter 90T2 Or Decbrouter 90T2A Connection

    Overview Typical Configurations Figure 1–2 shows a typical configuration of either the DECbrouter 90T2 or DECbrouter 90T2A in an Ethernet LAN. Figure 1–2 Typical DECbrouter 90T2 or DECbrouter 90T2A Connection LAN1 Ethernet ThinWire Ethernet ThinWire LAN2 DECstation Router Host Modem Modem Modem X.21...

  • Page 16: Installation

    Installation Installation The DECbrouter 90 is easy to install and use. After unpacking the DECbrouter 1. Plug the connector from the power supply into your DECbrouter 90. Connect one end of the power cord into the power supply and the other end into a working ac power outlet.

  • Page 17: Leds And Connectors

    Overview LEDs and Connectors LEDs and Connectors Figure 1–3 shows the DECbrouter 90 LEDS and Table 1–2 describes the LEDs and connectors. Figure 1–3 DECbrouter 90 LEDs LJ-02747-TI0.DG Overview 1–9...
  • Page 18 Off: The port is not transmitting or receiving data. Twisted Pair (10BASET) connector–Connects the £ DECbrouter 90 to a 10BASET twisted pair. Not used when the DECbrouter 90 is installed in the DEChub 90 backplane. Port 1 serial line status indicators–Monitors the ¤...
  • Page 19 ¢ Port 0 network connector (BNC)–Connects the DECbrouter 90 to the work group ThinWire segment. Not used when the DECbrouter 90 is either installed in the DEChub 90 backplane or connected through the twisted pair (10BASET) connector. £ ¥ ¤...
  • Page 20 Overview LEDs and Connectors Table 1–2 (Cont.) DECbrouter 90 LEDs £ ¡ Synchronous serial port 2 connection–This connection supports one of the following standards: • EIA530A • RS232/V.28/V.24 • RS449/RS422/V.11 • RS449/RS423/V.10 • V.35 • V.36 • X.21 leased lines Not available on DECbrouter 90T2.

  • Page 21: Installation

    To install the DECbrouter 90 in a DEChub 90 Ethernet backplane, see the ‘‘Backplane Installation’’ section. Standalone Installation To install the DECbrouter 90 as a standalone unit either on a table or wall, perform the following procedures: Select a location.

  • Page 22: Mount The Decbrouter 90 On A Wall

    1. Insert a small screwdriver into the top mounting hole on the cover. 2. Lift the internal latch with the screwdriver, then pull the cover away and down from the top of the DECbrouter 90 as shown in Figure 2–1. Figure 2–1 Removing the Back Cover L J - 0 0 3 2 0 - T I 0 Mount the DECbrouter 90 on a wall.

  • Page 23: Mounting The Decbrouter

    3. Remove the back cover from the wall. Figure 2–2 Mounting the DECbrouter 90 L J - 0 0 7 0 1 - T I 0 4. Attach the back cover to the DECbrouter 90. 5. Mount the DECbrouter 90 onto the mounting screws. Installation 2–3...

  • Page 24: Connect The Cables

    1. Connect the cable from the power supply to the 7-pin power connector on the DECbrouter 90. Align the power symbol on the dc power connector with the power symbol on the DECbrouter 90 and push the connector straight in.

  • Page 25: Decbrouter 90T1 With A Twisted Pair (10Baset) Connection

    Installation Standalone Installation 6. Connect the console using an RS232 DB9 connector. Figure 2–3 shows the DECbrouter 90T1 with a twisted pair connection. Figure 2–3 DECbrouter 90T1 with a Twisted Pair (10BASET) Connection Twisted Pair EIA 530A RS232/V.28 RS449/RS422/V.11 RS449/RS423/V.10 V.35 V.36 X.21 (LL)

  • Page 26: Decbrouter 90T1 With A Thinwire (10Base2) Connection

    Installation Standalone Installation Figure 2–4 shows the DECbrouter 90T1 with a ThinWire connection. Figure 2–4 DECbrouter 90T1 with a ThinWire (10Base2) Connection ThinWire EIA 530A RS232/V.28 RS449/RS422/V.11 RS449/RS423/V.10 V.35 V.36 X.21 (LL) LJ-02751-TI0 2–6 Installation...

  • Page 27: Decbrouter 90T2 Or Decbrouter 90T2A With A Twisted Pair (10Baset) Connection

    Installation Standalone Installation Figure 2–5 shows the DECbrouter 90T2 or DECbrouter 90T2A with a twisted pair connection. Figure 2–5 DECbrouter 90T2 or DECbrouter 90T2A with a Twisted Pair (10BASET) Connection Twisted Pair EIA 530A RS232/V.28 RS449/RS422/V.11 RS449/RS423/V.10 V.35 V.36 X.21 (LL) LJ-02757-TI0 Not available on the DECbrouter 90T2.

  • Page 28: Decbrouter 90T2 Or Decbrouter 90T2A With A Thinwire (10Base2) Connection

    Installation Standalone Installation Figure 2–6 shows the DECbrouter 90T2 or DECbrouter 90T2A with a ThinWire connection. Figure 2–6 DECbrouter 90T2 or DECbrouter 90T2A with a ThinWire (10Base2) Connection ThinWire EIA 530A RS232/V.28 RS449/RS422/V.11 RS449/RS423/V.10 V.35 V.36 X.21 (LL) LJ-02756-TI0 Not available on the DECbrouter 90T2. Not available on the DECbrouter 90T2A.

  • Page 29: Install And Verify Devices

    A port LED should turn on if the port is correctly connected and when the device receives its first network activity. 2. Verify the operation of each device by sending information to the port being tested. You have now installed the DECbrouter 90. Installation 2–9...

  • Page 30: Backplane Installation

    L J - 0 0 3 2 0 - T I 0 Mount the DECbrouter 90 in the backplane. 1. Install the DECbrouter 90 in the backplane as shown in Figure 2–8. Place the lower mounting tab on the back of the DECbrouter 90, in the correct mounting slot on the backplane.

  • Page 31: Mounting The Decbrouter

    Installation Backplane Installation 2. Rock the DECbrouter 90 into place. You will hear an audible click when the DECbrouter 90 is securely latched in place. Figure 2–8 Mounting the DECbrouter 90 LJ-02748-TI0 Note You can install or remove the DECbrouter 90 from the DEChub 90 Ethernet backplane while the backplane power is still on (hot swap).

  • Page 32: Install And Verify Devices

    1. Connect serial ports 1 and 2 using the proper cables for the signals desired. The corresponding port LEDs should turn on when activity occurs. 2. Verify the operation of each device you plan to use by connecting and sending information to each connected port. You have now installed the DECbrouter 90. 2–12 Installation...

  • Page 33: Troubleshooting

    1. Verify the installation of the repeater. 2. Note the fault condition. 3. Isolate the problem. Use Table 3–1 to troubleshoot a standalone DECbrouter 90. Use Table 3–2 to troubleshoot a DECbrouter 90 installed in a DEChub 90 configuration. DECbrouter 90 Standalone Troubleshooting Use Table 3–1 to troubleshoot a standalone DECbrouter 90.
  • Page 34 Troubleshooting DECbrouter 90 Standalone Troubleshooting Table 3–1 (Cont.) Troubleshooting a DECbrouter 90 Standalone Unit If... Then... Do this... The network activity There is low network Ensure that network activity is LED is off activity or no network present. If the network activity activity.

  • Page 35: Decbrouter 90 Backplane Configuration Troubleshooting

    Troubleshooting DECbrouter 90 Backplane Configuration Troubleshooting DECbrouter 90 Backplane Configuration Troubleshooting Use Table 3–2 to troubleshoot a DECbrouter 90 installed in a DEChub 90 configuration. Table 3–2 Troubleshooting a DECbrouter 90 in a DEChub 90 Backplane If... Then... Do this...
  • Page 36 Troubleshooting DECbrouter 90 Backplane Configuration Troubleshooting Table 3–2 (Cont.) Troubleshooting a DECbrouter 90 in a DEChub 90 Backplane If... Then... Do this... If the DECbrouter 90 Replace the DECbrouter 90. does not turn on in a known good slot, then the DECbrouter 90 is defective.

  • Page 37: A Specifications And Parts List

    0.77 kg ( 1.7 lb) Environmental Specifications The DECbrouter 90 is designed to operate in an office environment or equipment room environment such as telephone closets or satellite equipment rooms. It is not intended to operate in an air plenum.

  • Page 38: Operating Environment

    Temperature -40°C to 66°C (-40°F to 151°F) Relative humidity 10% to 95% (non-condensing) Altitude Sea level to 4.9 km (16,000 ft) Electrical Specifications The DECbrouter 90 features a self-contained power supply and power cord option. A–2 Specifications and Parts List...

  • Page 39: Power Supply

    Specifications and Parts List Electrical Specifications Power Supply The following table describes the power supply specifications for the DECbrouter 90. Specification Value Voltage (domestic) 104 Vac to 128 Vac ( nominal 120 Vac) Voltage (international) 208 Vac to 256 Vac (nominal 240 Vac)
  • Page 40 Specifications and Parts List Parts List Parts List The following table provides a parts list for the DECbrouter 90. Replacement Part Part Number DECbrouter 90T1 DEWB1 DECbrouter 90T2 DEWBR DECbrouter 90T2A DEWB2 Power supply, Universal H7827-BA Power cord, term, 110 Vac...
  • Page 41 Specifications and Parts List Parts List Table A–1 describes the cable connections for the X.21 standard. Table A–1 X.21 Cable Connections (BC12F-06, 17-03580-01) From To X.21 Connector (P1) Connector (P2) Signal Name 1, 2, 26 – Code Ground T(A) TX Data A T(B)TX Data B I(A) DCD A I(B) DCD B...

  • Page 42: Parts List

    Specifications and Parts List Parts List Table A–2 describes the cable connections for the RS422 standard. Table A–2 RS422 Cable Connections (BC12H-06, 17-03767-01) From To RS422 Connector (P1) Connector (P2) Signal Name 1, 27 – Code Ground DSR A DSR B TX Data A TX Data B DCD/I A...
  • Page 43 Specifications and Parts List Parts List Table A–2 (Cont.) RS422 Cable Connections (BC12H-06, 17-03767-01) From To RS422 Connector (P1) Connector (P2) Signal Name DTR A DTR B Clock A Clock B TX Clock A TX Clock B Test Indicate 19, 37 DTE Ground Local Loop Speed Select...
  • Page 44 Specifications and Parts List Parts List Table A–3 describes the cable connections for the V.35 standard. Table A–3 V.35 Connection BC12G-06, 17-03766-01 From To V.35 Connector (P1) Connector (P2) Signal Name 1, 26 – Code Ground DSR A DCD/I A CTS A Ring Indicate TX Clock A...

  • Page 45: Rs530A Cable Connections Bc12J-06, 17-03760-01

    Specifications and Parts List Parts List Table A–3 (Cont.) V.35 Connection BC12G-06, 17-03766-01 From To V.35 Connector (P1) Connector (P2) Signal Name 12, 29 DTE Ground 31, 34, 37 Shell Braid Strap Overall Cable Shield Local Loop Contacts tied together. Table A–4 describes the cable connections for the RS530A standard.
  • Page 46 Specifications and Parts List Parts List Table A–4 (Cont.) RS530A Cable Connections BC12J-06, 17-03760-01 From To RS530A Connector (P1) Connector (P2) Signal Name RTS/C A RTS/C B CTS A CTS B RX Data A RX Data B Ring Indicate DCE Ground RX Clock A RX Clock B Clock A...

  • Page 47: Rs423 Cable Connections Bc12K-06, 17-03761-01

    Specifications and Parts List Parts List Table A–4 (Cont.) RS530A Cable Connections BC12J-06, 17-03760-01 From To RS530A Connector (P1) Connector (P2) Signal Name 29, 37 DTE Ground Remote Loop Shell Shell Shield Braid Contacts tied together. Table A–5 describes the cable connections for the RS423 standard. Table A–5 RS423 Cable Connections BC12K-06, 17-03761-01 From To RS423...
  • Page 48 Specifications and Parts List Parts List Table A–5 (Cont.) RS423 Cable Connections BC12K-06, 17-03761-01 From To RS423 Connector (P1) Connector (P2) Signal Name RX Data A RX Data B Ring Indicate DCE Ground RX Clock A RX Clock B TX Clock A TX Clock B Test Indicate Local Loop...
  • Page 49 Specifications and Parts List Parts List Table A–5 (Cont.) RS423 Cable Connections BC12K-06, 17-03761-01 From To RS423 Connector (P1) Connector (P2) Signal Name Shell Shell Shield Braid Clock Table A–6 describes the cable connections for the V.24/RS232 standard. Table A–6 V.28/RS232 Cable Connections BC12L-06, 17-03762-01 From To V.24/RS232 Connector (P1)
  • Page 50 Specifications and Parts List Parts List Table A–6 (Cont.) V.28/RS232 Cable Connections BC12L-06, 17-03762-01 From To V.24/RS232 Connector (P1) Connector (P2) Signal Name TX Clock A Test Indicate Clock Local Loop 12, 29, 31, 34, 35, 37, 38, 42 DTE Ground Speed Select Remote Loop Contacts tied together.

  • Page 51: Cable Connections For Console Converter

    Specifications and Parts List Parts List Table A–7 describes the cable connections for the console converter. Table A–7 Cable Connections for Console Converter From Connector (P1) Connector (P2) Signal Name 3, 4 8, 6, 1 CTS, DSR, DCD Specifications and Parts List A–15...

  • Page 53: Related Documentation

    Related Documentation The following documents are shipped with the DECbrouter 90: Document Title Order Number DECbrouter 90 Installation and Operating Information EK-DECBR-OM EK-DECB1-CG DECbrouter 90 Products Configuration and Reference - Volume 1 DECbrouter 90 Products Configuration and Reference - Volume 2 EK-DECB2-CG DECbrouter 90 Products Configuration and Reference - Volume 3...

  • Page 55: C Decbrouter 90 Installation Information For The United

    Cable approval • Supported cables • Equipment between the approved module and a Digital circuit (PTT) Service Categories Table C–1 lists the BABT-approved service specifications for the DECbrouter 90 for UK compliance. DECbrouter 90 Installation Information for the United Kingdom C–1...

  • Page 56: Host Power Rating

    Digital has designed all permutations of the host configuration to operate within the limits of the host power rating as shown in Table C–2. Table C–2 Module Power Input Voltage Maximum Input Current (Volts dc) (Amperes) +5.25Vdc 1.8 amp C–2 DECbrouter 90 Installation Information for the United Kingdom...

  • Page 57: Module Isolation

    Module Isolation Module Isolation No special clearances or creepage distances need to be maintained as the DECbrouter 90 is contained within its own cabinet, which meets all clearances for PTT approval. Safety Status All interconnection points on this product are SELV circuits and should only be connected to products with like SELV circuits.

  • Page 58: Equipment Between The Approved Module And A Digital Circuit (Ptt

    • Cable or wiring must comply with a code of practice for the installation of equipment covered by this standard or other requirements that may be applicable. C–4 DECbrouter 90 Installation Information for the United Kingdom...

  • Page 59: Index

    Index Connections (cont’d) V.24, A–13 to A–14 V.35, A–7 to A–9 Back cover, 1–11 X.21, A–5 Backplane Connector connector, 1–11 backplane, 1–11 DEChub 90, 1–5 power, 1–11 BNC network connector, 1–11 Connectors port (10BASET), 1–10 port (twisted pair), 1–10 ThinWire (BNC), 1–11 Cable Console port Connection, 1–11 BC12F-06, A–5...
  • Page 60 Features, 1–1 Part BC12F-06, A–5 BC12G-06, A–7 to A–9 BC12H-06, A–6 to A–7 Height, A–1 BC12J-06, A–9 to A–11 Humidity, A–2 BC12K-06, A–11 to A–13 BC12L-06, A–13 to A–14 Part number, A–4 Part Number 17-03580-01, A–5 Installation Part Number 17-03760-01, A–9 to A–11 backplane, 2–10 to 2–12 Part Number 17-03761-01, A–11 to A–13 configurations, 2–1...
  • Page 61 A–13 RS449, 1–1, 1–2, 1–3, 1–11, 1–12 RS530A, A–9 to A–11 Temperature, A–2 maximum rate of change, A–2 Troubleshooting, 3–4 DECbrouter 90 in 90 backplane, 3–4 Sample connection, 1–5, 1–7 DECbrouter 90 in DEChub 90 backplane, Shipping 3–3 altitude, A–2 standalone DECbrouter 90, 3–1 to 3–2...

This manual is also suitable for:

Decbrouter 90t1Decbrouter 90t2Decbrouter 90t2a

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