GE HC HP - Manual (Page 96)

A-4 GE MDS Intrepid-HC HP Installation and Operation
Notes:
• Shell is connected to IDU chassis GND.
• The following pins are not connected: 27,28.
Modem-PPP Cross Cable Pin-Outs
This section provides pin-outs for the cross cable installed between the dial-up modem and the PPP interface.
DB9 to DB9 Cross Cable
DB9 Male Connection DB9 Male
TX 2 2 RX
RX 3 3 TX
DTR 4 1 DCD
CTS 8 7 RTS
RTS 7 8 CTS
DCD 1 4 DTR
GND 5 5 GND
DB9 to DB25 Cross Cable
DB9 DB25
1 20
2 2
3 3
4 8
5 7
7 5
8 4
Notes:
1. Shell is connected to IDU chassis GND.
2. The following pins are not connected: 6, 7, 8, 9, 15, 23, 36, 37, 38, 39.