Cisco Systems EIA-TIA-232 User Manual

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Doc. No. 78-3816-01 Rev. A0

Catalyst 1800 Token Ring Switch Cable Kit Guide

This guide provides configuration and connection instructions for the EIA/TIA-232 console/modem cable and the adapters used when connecting a PC, a VT series terminal, or a modem to the Catalyst 1800 Token Ring switch to access out-of-band management via the EIA/TIA-232 DB-9 male console port.

Note EIA/TIA-232 was known as recommended standard RS-232 before its acceptance as a standard by the Electronic Industries Association (EIA) and Telecommunications Industry Association (TIA).

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Management terminal and modem requirements are as follows:

VT 320/420-series terminal or VT-type terminal running emulation programs for the VT series

IBM or compatible PC running a VT-series emulation software package

Hayes-compatible modem

This guide also provides the following pin assignments:

DB-9 console port connector on the Catalyst 1800 chassis

DB-9 PC connector

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Connecting to a VT-Series Terminal

DB-25 VT-series connector

DB-25 modem connector

The Catalyst 1800 console cable kit (part number 78-1188-01) includes

One 6-foot (1.8-meter) length of unshielded twisted pair (UTP) EIA/TIA-232 cable with RJ-45 connectors at each end

One RJ-45 to DB-9 female adapter (for console port connection)

One RJ-45 to DB-9 female adapter (for PC connection)

One RJ-45 to DB-25 female adapter (for VT terminal connection)

One RJ-45 to DB-25 male adapter (for modem connection)

Connecting to a VT-Series Terminal

Follow these steps to connect a VT 320/420-series terminal to a Catalyst 1800 Token Ring switch (see Figure 1):

Step 1 Plug either end of the EIA/TIA-232 cable into the RJ-45-to-DB-9 female adapter labelled “Console port.”

Step 2 Connect the console port female adapter to the male DB-9 console port on the front of the Catalyst 1800 chassis.

Step 3 Plug the RJ-45 connector at the other end of the EIA/TIA-232 cable into the

RJ-45-to-DB-25 female adapter labelled “VT series.”

Step 4 Connect the VT-series DB-25 female adapter to the DB-25 male adapter on the cable extending from the VT terminal’s COMM port.

Step 5 Turn on the terminal and access the setup directory. Set the following parameters on your terminal:

Transmit

9600

Bits per character (BPC)

8

 

 

Parity

None

 

 

Stop bit

1

 

 

Flow control

Off

 

 

After these parameters are set, you can access out-of-band management. Refer to the Catalyst 1800 Token Ring Switch User Guide for instructions on using the console interface.

2 Catalyst 1800 Token Ring Switch Cable Kit Guide

Cisco Systems EIA-TIA-232 User Manual

Connecting to an IBM PC or Compatible

Figure 1 Connecting a VT-Series Terminal to a Catalyst 1800 Switch

8 TOKEN RING

1

2

3

4

5

6

7

8

Ring Status

 

 

 

 

 

 

 

Pwr A

Sys Status

Port Activity

 

 

 

 

 

 

 

Pwr B

Failure

16 Mbps

 

 

 

 

 

 

 

 

 

1

2

3

4

 

 

 

 

4TR + FDDI

 

Ring Status

 

 

 

Status

Wrap

 

Bypass

 

Port Activity

 

 

 

 

Pwr A

Sys Status

 

 

 

Activity

B A

 

 

Pwr B

Failure

16 Mbps

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Catalyst 1800

DB-9 console connector/port interface

VT series adapter

RS-232 cable

H8710

DB-25 male adapter

 

to VT terminal

VT 320/340 series terminal

Connecting to an IBM PC or Compatible

Follow these steps to connect an IBM PC or compatible to a Catalyst 1800 switch (see Figure 2). Note that the PC must be running a VT terminal emulation program.

Step 1

Plug either end of the EIA/TIA-232 cable into the RJ-45-to-DB-9 female adapter labelled

 

“Console port.”

 

 

Step 2

Connect the console port female adapter to the male DB-9 console port on the front of the

 

Catalyst 1800 chassis.

Step 3

Plug the RJ-45 connector at the other end of the EIA/TIA-232 cable into the

 

RJ-45-to-DB-9 female adapter labelled “PC.”

Step 4

Connect the DB-9 female adapter to the appropriate male communications port on the

 

PC.

 

 

Step 5

Turn on the PC and configure its VT emulation package with following parameters:

 

 

 

 

Transmit

 

9600

 

 

 

 

Bits per character (BPC)

8

 

 

 

 

 

Parity

 

None

 

 

 

 

Stop bit

 

1

 

 

 

 

Flow control

Off

 

 

 

 

After these parameters are set, you can access out-of-band management. Refer to the Catalyst 1800 Token Ring Switch User Guide for instructions on using the console interface.

Catalyst 1800 Token Ring Switch Cable Kit Guide 3

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