Multitech MultiModem MT5634ZBA-V-V92 Podręcznik Użytkownika Pobierz pdf (Strona 38)

Appendix F – Connecting to a Cisco Router

38 Multi-Tech Systems, Inc. MT5634ZBA-Series User Guide (S000286H)

To Call a Modem Configured for Callback Security

1. Using a terminal program and an originating modem, dial the number of the modem connected to the Cisco router, which

we will call the “remote modem.”

2. When connection is established, the remote modem responds: Password>

3. Type a direct connection password, and press E

NTER. You have three attempts or one minute to enter a valid password.

4. If the password is valid, the message OK Connecting appears and the modems establish a working connection.

Step 3: Console Port Final Setup

Send the following command string to the modem connected to the console port of the Cisco router:

AT%R1&W0

The %R1 command sets E0, Q1, &D0, &K0, $SB9600, and %S1, and the &W0 command stores the commands to memory.

The %R1 command sets the following functions:

Turns command echo off

Turns result codes off

&D0

Ignores DTR from the DTE

&K0

Selects no flow control

$SB9600

Sets the serial baud rate to 9600 bps.

%S1

Disables command mode at all serial speeds except 115200 bps.

The modem is now configured for use on the Cisco router console port. Note that command echo and result codes have been

turned off. If it becomes necessary to send additional AT commands to the modem after it has been so configured, there will

be little feedback from the modem that it has received and acted upon the command. Only commands such as ATI0 that

request specific data from the modem will send any data to the DTE as an indication that the modem has accepted the

command. Temporarily turning on command echo and result codes might ease reconfiguration of the modem. When the

modem is connected to the console port, turn the modem off and then on again. This will set the serial baud rate to 9600 bps

as the $SB9600 command is implemented.

Console Port Connections

To connect a personal computer to the console port, use the RJ-45-to-RJ-45 roll-over cable and either the RJ-45-to-DB-25

female DTE adapter or the RJ-45-to-DB-9 female DTE adapter (labeled “TERMINAL”).

Cable Pin-outs and Cabling Guide

Console

(DTE)

signal

Console port

RJ-45 pin

Console cable

RJ-45 pin

Adapter

DB-9 pin

Adapter

DB-25 pin

Modem

(DCE)

signal

RTS 1 8 8 4 RTS

DTR 2 7 6 20 DTR

XMT 3 6 2 2 XMT

GND 4 5 5 7 GND

GND 5 4 5 7 GND

RCV 6 3 3 3 RCV

DSR 7 2 4 6 DSR

CTS 8 1 7 5 CTS

1 2 ... 33 34 35 36 37 38 39 40 41 42

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