Warwick X7220 manual Interfaces

3.0INTERFACES

3.1Communication Port 9 Way D Type Connector RS232/RS485

1	ALARM CONTACT	OUTPUT
6	ALARM CONTACT	OUTPUT
2	RS232 RD RECEIVE DATA	INPUT
7	-VE RS485	INPUT/OUTPUT
3	RS232 TD TRANSMIT DATA	OUTPUT
8	CTSI	OUTPUT
4	NU
9	+VE RS485	INPUT/OUTPUT
5	0V	INPUT
PIN 1 AL1	Voltage free, normally open contact
PIN 2 RD	RS232 Receive serial data from host
PIN 3 TD	RS232 Transmit serial data to host.
PIN 4 NU	Not Used
PIN 5 OV	0V common for host.
PIN 6 AL2	Voltage free, normally open contact
PIN 7 –VE	RS485 Bi-directional data.
PIN 8 CTS	Brought low by the modem when a RF carrier is detected or the receiver buffer memory is full.
	This can be connected to RTS on the host to inhibit data from the host in duplex operations.
PIN 9 +VE	RS485 Bi-directional data.

3.2Service Port 9 Way D Type Connector RS232/RS485

1	NOT USED
6	CONFIGURATION MODE	INPUT
2	RS232 RD RECEIVE DATA	INPUT
7	-VE RS485	INPUT/OUTPUT
3	RS232 TD TRANSMIT DATA	OUTPUT
8	NOT USED
4	NU
9	+VE RS485	INPUT/OUTPUT
5	0V	INPUT
PIN 1 NU	Not Used
PIN 2 RD	RS232 Receive serial data from host
PIN 3 TD	RS232 Transmit serial data to host.
PIN 4 NU	Not Used
PIN 5 OV	0V common for host.
PIN 6 CON	Configuration input. Connecting 0V to this input will send the configuration menu to the host
	when the power is applied. It is left open circuit for normal operation.
PIN 7 –VE	RS485 Bi-directional data.
PIN 8 NU	Not Used.
PIN 9 +VE	RS485 Bi-directional data.