
28i/124i
Remote Modem Installation Instructions
6
Local Connection
1.
Using the correct cable configuration (28i=92708-DB9, 124i=92009-DB9),
connect the DIN connector on the cable (P/N 80893) to the 8-pin serial
(LAPB) connector on the CPRU.
2.
Connect the 9-pin adaptor to the opposite end of the cable.
3.
Plug the connector into the COM port on your PC.
Skip to “
5. Connecting to the Site”.
92
70
0 -
28
Mod 8 to 25 Pin Connector
(P/N 85981)
25 Pin Connector
(Cable included with Modem)
625
Modular
Jack
8 Pin DIN to Mod 8 Cable
The 28i uses P/N 92707x.
25-Pair
Cable
24 CPRU PCB
LAPB PCB
Station
Cable
66MI-50
Station Block
ASTU PCB
Mod 8 to
9 Pin Connector
(P/N 85980)
PC
The 124i uses P/N 80893.
Modem
9-Pin Connector
Not Used
for Modem
Connection
9-Pin Connector
28i Cabinet Shown
92600MDM11.QXD 11/7/01 12:20 PM Page 6