Installation guide

A. Pinouts
A-2 November 2004 8820-A2-GN20-80
MCP Serial Connector
The 8-pin SERIAL MCP connector (8820-S1-902 SIM) or MCP SERIAL connector
(8820-S1-905 SIM) is a DCE-type connection with the following pin assignments.
Serial SCM and SCP Serial Connector
The 8-pin SERIAL SCM connector (8820-S1-902) or SCP SERIAL connector
(8820-S1-905) is a DCE-type connection with the following pin assignments.
Pin Number Use
1 Reserved
2 Reserved
3 Reserved
4 Signal Ground
5 Receive Data
6 Transmit Data
7 Reserved
8 Reserved
04-17566
Pin 1
Pin 8
Pin Number Use Direction
1 Ring Indicator Out
2 Receive Line Signal Detect Out
3 Reserved –
4 Signal Ground –
5 Receive Data Out
6 Transmit Data In
7 Clear to Send Out
8 Request to Send In
97-15449
Pin 1
Pin 8