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ISDN 1-3 jacks (PCSA-B384S)
ISDN 1-6 jacks (PCSA-B768S)
1
Modular jack
Pin
Signal
1
NC
2
NC
3
TA
4
RA
5
RB
6
TB
7
NC
8
NC
TERMINAL connector
(PCSA-B384S/PCSA-B768S)
2
1
Pin Signal
1
GND
2
19.5V
3
DCLK+
4
DCLK–
5
DR+
6
DR–
7
FS+
8
FS–
9
DX+
10
DX–
11
TX
12
RX
13
19.5V
14
GND
232
Specifications
8
Description
–
–
Transmit+
Receive+
Receive–
Transmit–
–
–
14
13
Description
Chassis ground
19.5V
Clock+
Clock–
Transmit data+
Transmit data–
Frame sync+
Frame sync–
Receive data+
Receive data–
Serial transmit data
Serial receive data
19.5V
Ground
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