Paradise P300 specifications Pin Signal Name, Direction, Name-RS485 SA Bus Paradise, Name RS232

APPENDIX B: MODEM CONNECTOR PINOUTS

REMOTE M&C (RS485/RS232) CONNECTOR

The selection of RS232 or RS485 must be made via the front panel. Refer to Appendix D for an overview of the Remote M&C protocol.

Connector type: 9 Pin `D' Female, pin compatible with `SA-bus`

Pin

1

2

3

4

5

6

7

8

9

Signal

name

Shield/Gnd *

Master-B

Slave-B

Shield/Gnd *

Slave-A

Master-A

Direction

+to modem

+from modem

-from modem

- to modem

Name-RS485

SA Bus	Paradise
Shield	Shield/Gnd
SRR	-
SSD	RX-B
SRD	TX-B
SG	Shield/Gnd
RC	TX-A
SRS	-
SCS	-
SC	RX-A

Name-

RS232

Shield/Gnd

-

-

-

Shield/Gnd

Tx. data

-

-

Rx. data

*Pins 1 & 5 are both grounded on the modem (ie Shield and Ground are interchangeable).

See also the “M&C Appnote” available from www.paradisedata.com.

P300H P300 Series Modem Installation and Operating Handbook Page 179