Rs-366A Network Dialing Port; Table B-12: Pin Assignments For Rs-366A Network Dialing Port - PictureTel Concorde 4500 Servicing Manual

PIN ASSIGNMENTS
RS-366A Network
Dialing Port
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
B-18
The following table lists the pin assignments for the RS-366A
network dialing port.
Table B-12: Pin Assignments for RS-366A Network
Dialing Port
Circuit
(Not applicable)
DPR
ACR
CRA
PND
PWI
SG
(Not applicable)
(Not applicable)
(Not applicable)
(Not applicable)
(Not applicable)
DSC
NB1
NB2
NB4
NB8
RC
Description
Shield
Digit present
Abandon call and retry
Call request
Present next digit
Power indication
Signal ground
Unassigned
Reserved for automatic calling equipment
testing. These two pins should not be
wired in the data terminal equipment.
Unassigned
Unassigned
Distant station connected
Digital signal circuits
Receive common