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Digital Equipment DECserver 900TM Installation Manual

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DECserver 900TM
INSTALLATION
LKG–8088-93I
The DECserver 900TM is a 32-port network access server that connects asyn–
chronous devices, including terminals, printers, modems, or PCs to an Ethernet
local area network (LAN). It operates in a DEChub 900 MultiSwitch or as a standa-
lone access server. The DECserver 900TM is configured with 32 MJ8 (RJ-45) con-
nectors, and provides limited modem control with the 8-pin connectors. Each port
supports 16 baud rates from 75 baud to 115.2 Kbaud. The DECserver 900TM in-
cludes 4 megabytes (MB) of standard memory, and can be expanded to 8 MB.

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  • Page 1 8-pin connectors. Each port supports 16 baud rates from 75 baud to 115.2 Kbaud. The DECserver 900TM in- cludes 4 megabytes (MB) of standard memory, and can be expanded to 8 MB.
  • Page 2 August 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 Corpo- ration assumes no responsibility for any errors that may appear in this document.

  • Page 3: Front Panel

    “race track” pattern), hold the switch in for 5 seconds. The module reboots with factory defaults. 8) Serial Port Connectors. Connect the asynchronous devices to the DECserver 900TM. The serial port connec- tors are labeled 1 to 32. LKG-8089-93I DECserver 900TM...
  • Page 4 Installing the Module into a DEChub 900 MultiSwitch You do not have to shut off the DEChub 900 MultiSwitch power when you install a module in the hub. The DECserver 900TM has a built-in hot-swap switch that allows quick and easy power-on installation and removal.
  • Page 5 Notes: Port 1 by default may be used as a console port. The DECserver 900TM does not sup- port the out-of-band management (OBM) port or the setup port on the DEChub ONE. No devices should be connected to these ports.

  • Page 6: Installing Flash Ram

    If you using a Flash RAM card for loading the operational software, perform the following: Insert the Flash RAM card into the Flash RAM slot on the front of the module. a. The Digital label should be on the same side as the DECserver 900TM logo on the front panel of the module.
  • Page 7 Remove the module from the DEChub. a. Lift the release lever on top of the hub slot. b. Pivot the module back on its bottom mounting tab until it disengages from the hub. Lift release lever Mounting LKG–8098-93I DECserver 900TM...
  • Page 8 Table 1 shows the maximum cable lengths for a number of data rates using DECserver 900TM supported line protocols. For more information about cabling and configuring of local area networks (LANs) and using DECconnect system products, refer to the DECconnect System Planning and Configuration Guide . DECserver 900TM...
  • Page 9 Cabling (continued) Before connecting cables to the DECserver 900TM ports, you must verify supported modem signals with the person managing the DECserver 900TM. This information is necessary to determine what cables to use. For more information on the signals, refer to the Network Access Server Management manual.
  • Page 10 Cabling (continued) The DECserver 900TM uses an MJ8 connector on the serial ports, and can be configured by the software to support the pin signals indicated in Table 3. PIN 1 To change default values, refer to the Network Access Server Management manual.
  • Page 11 RXD GND TXD GND TXD GND CTS or RI CTS or RI RXD GND RTS or DSRS RTS or DSRS TXD GND TXD GND RXD GND DSR or DCD DSR or DCD Twisted pairs *Software selectable Twisted pairs LKG-7294–92I DECserver 900TM...

  • Page 12: Problem Solving

    Return the unit to Digital flashing “C,” “d,” or “n.” Equipment Corporation. Seven-segment display is Fatal error. Return the unit to Digital flashing. Equipment Corporation. Seven-segment display Downline loading problem See the error message on the shows a “3.” exists. console port. DECserver 900TM...
  • Page 13 Loading Requesting dump Dumping Hardware revision # incompatible with firmware revision # No SIMs, or wrong type SIMs installed Rotating Rotating DECserver 900 is operating correctly. The rotating code is referred to as the “race track” pattern. LKG-8099-93I DECserver 900TM...
  • Page 14 220 Type A ok. ftp> get readme 200 Port 19.54 at host nnn.nn.nn.nn accepted. 150 ASCII retrieve of /PRIVATE/MIB/README started. 226 Transfer completed. 40239 (8) bytes transferred. 40239 bytes received in 23.65 seconds (5.8 Kbytes/s) ftp> quit DECserver 900TM...

  • Page 15: Product Specifications

    For high altitude sites, decrease the operating temperature specification by 1.8 C (35.2 F) for each 1000 m (3200 ft). Current values for specific configurations are available from Digital Equipment representatives. 1 B = 10 dBA. Aktuelle Werte für spezielle Ausrüstungsstufen sind Über die Digital Equipment Vertretungen erhältlich.

  • Page 16: Associated Documents

    Network Access Server Commands Describes the usage and syntax of commands for manual the various network access servers. Network Access Server Problem Describes problem-solving tools and procedures for the various network access servers. Solving manual DECserver 900TM...

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