Sony Ipela PCS-G50, Operating Instructions Manual, Page: 240 / 259

240
Specifications
EC-MIC 1 and 2 connectors
ISDN 1-3 jacks (PCSA-B384S)
ISDN 1-6 jacks (PCSA-B768S)
Modular jack
TERMINAL connector
(PCSA-
B384S/PCSA-B768S)
USB connector
Pin Signal Description
1 GND Ground
2 TXD+ Transmit data+
3 TXD– Transmit data–
4 NC –
5 NC –
6 MICDET Microphone detect
7 GND Ground
8 RXD+ Receive data+
9 RXD– Receive data–
10 +12 V +12 V
1
3
2
9
8
10
Pin Assignments on Optional
Board Connectors
Pin Signal Description
1 NC –
2 NC –
3 TA T
4 RA
5 RB Receive–
6 TB Transmit–
7 NC –
8 NC –
Pin Signal Description
1 GND Chassis ground
2 19.5V 19.5V
3 DCLK+ Clock+
4 DCLK– Clock–
5 DR+ Transmit data+
6 DR– Transmit data–
7 FS+ Frame sync+
8 FS– Frame sync–
9 DX+ Receive data+
10 DX– Receive data–
11 TX Serial transmit data
1 8
1 13
2 14