Pin Assignment on Optional Board ConnectorsISDN 1-6 jacks (PCS-B768)

1 8

Modular jack

Pin

Signal

Description

 

 

 

1

NC

 

 

 

2

NC

 

 

 

3

TA

Transmit+

 

 

 

4

RA

Receive+

 

 

 

5

RB

Receive–

 

 

 

6

TB

Transmit–

 

 

 

7

NC

 

 

 

8

NC

 

 

 

TERMINAL connector (PCS-B768)

214

1 13

USB connector

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

 

 

 

12

RX

Serial receive data

 

 

 

13

19.5V

19.5V

 

 

 

Pin

Signal

Description

 

 

 

14

GND

Ground

 

 

 

TERMINAL connector (PCS-DSB1)

18

915

D-sub 15-pin connector (male)

Pin

Signal

Description

 

 

 

1

Video

Video signal

 

 

 

2

Video.GND

Video signal ground

 

 

 

3

LINE A+

Line audio+

 

 

 

4

LINE A–

Line audio–

 

 

 

5

MIC+

Microphone+

 

 

 

6

MIC–

Microphone–

 

 

 

7

RD+

Receive+

 

 

 

8

RD–

Receive–

 

 

 

9

19.5V

19.5V

 

 

 

10

NC

 

 

 

11

AGND

Analog ground

 

 

 

12

NC

 

 

 

13

TD+

Transmit data+

 

 

 

14

TD–

Transmit data–

 

 

 

15

GND

Ground

 

 

 

Appendix

Specifications 177