Dual Data Channel Module Pinouts - General DataComm OCM-2000 Installation & Operation Manual

Data Channel Modules

Dual Data Channel Module Pinouts

Table 5-4 DDC Pinouts at Zone 3 Connectors (DB-25)
Pin No.
2
3
4
5
7
8
15
17
24
18
25
20
22
Pin No.
14
16
19
13
7
10
12
9
11
1
23
21
6
036R340-000
Issue 16
ITU-T V.24 No. EIA Circuit
103 BA
104 BB
105 CA
106 CB
102 AB
109 CF
114 DB
115 DD
113 DA
141 LL
142 TM
108.2/140 CD/RL
125/107 CE/CC
ITU-T V.24 No. EIA Circuit
103 BA
104 BB
105 CA
106 CB
102 AB
109 CF
114 DB
115 DD
113 DA
141 LL
142 TM
108.2/140 CD/RL
125/107 CE/CC
Office Connunications Manager OCM-1000/OCM-2000
Installation & Operation
Channel A Function
Transmitted Data (TXC)
Received Data (RXC)
Request To Send (RTS)
Clear To Send (CTS)
Signal Ground
Data Carrier Detect (DCD)
Transmit Clock (TXC)
Receive Clock (RXC)
Ext. Transmit Clock
Local Loopback (LL)
Test Mode (TM)
Data Terminal Ready/
Remote Loopback (DTR/RL)
Ring Indicator/Data Set
Ready (RI/DSR)
Channel B Function
Transmitted Data (TXD)
Received Data (RXD)
Request To Send (RTS)
Clear To Send (CTS)
Signal Ground
Data Carrier Detect (DCD)
Transmit Clock (TXC)
Receive Clock (RXC)
Ext. Transmit Clock
Local Loopback (LL)
Test Mode (TM)
Data Terminal Ready/Remote
Loopback (DTR/RL)
Ring Indicator/Data Set Ready (RI/
DSR)
Input/Output
I n p u t
Output
I n p u t
Output
Output
Output
Output
I n p u t
I n p u t
Output
I n p u t
Output
Input/Output
I n p u t
Output
I n p u t
Output
Output
Output
Output
I n p u t
I n p u t
Output
I n p u t
Output
5-7