Paradyne COMSPHERE 3000 Series Installation Manual page 104

Port Interfaces
The port interface connectors (Model 3161 only)
include the EIA-530A DB25 connector. The V.35
connector and the RS449 connector require an adapter
cable.
Signal
Signal Common
Signal Common
Transmitted Data
Received Data
Request to Send
Clear to Send
Received Line Signal Detector
DCE Ready
DTE Ready
Transmit Signal Element Timing
(DTE Source)
Transmit Signal Element Timing
(DCE Source)
Receiver Signal Element
Timing (DCE Source)
Local Loopback
Remote Loopback
Test Mode
3000-A2-GA31-80
EIA-530A DB25 Port Interface Connector
The EIA-530A Port Interface connector information is
shown in Table B-5 and Figure B-9.
Table B-5
EIA-530A Port Interface Connector
Circuit CCITT
Mnemonic Number
AB 102A
AC 102B
BA 103
BB 104
CA 105
CB 106
CF 109
CC 107
CD 108/1, /2
DA 113
DB 114
DD 115
LL 141
RL 140
TM 142
December 1994
Models 3151/3161 Interface Connections
Direction Pin
7
22, 23
To DCE 2 (A)
14 (B)
From DCE 3 (A)
16 (B)
To DCE 4 (A)
19 (B)
From DCE 5 (A)
13 (B)
From DCE 8 (A)
10 (B)
From DCE 6
To DCE 20
To DCE 11 (A)
24 (B)
From DCE 12 (A)
15 (B)
From DCE 17 (A)
9 (B)
To DCE 18
To DCE 21
From DCE 25
B-11