
JUMPER SETTINGS AND MODEM SET-UP
AT&D0&W0↵ (Ignore DTR signal and save)
Now set the jumper inside modem as follows :
Set lease/dial to lease position
Set originate/answer to originate position
Step 2:
Configure another modem as answer modem as follows :
Connect terminal to modem, set terminal speed to 9600, power on modem
and type the following. On typing 'AT', response from modem should be "OK".
AT&F8&W0↵ (Store default settings and save)
AT$SB9600&W0↵ (Serial baud rate set to 9600 and save)
AT$MB9600&W0↵ (Modem baud rate set to 9600 and save)
AT&E3&W0↵ (Disable flow control and save)
AT&D0&W0↵ (Ignore DTR signal and save)
Now set the jumper inside modem as follows :
Set lease/dial to lease position.
Set originate/answer to answer position
Step 3:
Verify IOP serial port by connecting a terminal, login should appear and it
should be possible to login. Connect answer modem RS232 port to this IOP
port. Connect terminal to RS232 port of originate modem connect line jacks
(RJ11) of both modems by using a shorting cable supplied for leased line
working (simulating cable pair between modems or 64 kbps data circuits).
Now power on modems, CD lamp will glow in both modems and link is
established login should appear on terminal.
Please note that when terminal/IOP port is connected to modem, TR lamp
should glow in modem.
Note :
If login does not appear in icc port when terminal is connected, edit file "init
tab" in / etc directory using vi editor. In line wherever required icc port is
available, replace "off" by "respawn", save the file.
RSU INSTALLATION MANUAL 47
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