User manual

The Front & Rear Panel Descriptions
80-10100000-09 3–3
3.2 COMMAND
A 25 pin female D-Type V24/48 interface connector provides connection
to your local terminal, PC, or modem for software configuration control.
The port is configured as a physical DCE operating at a fixed rate (9600
bit/s, no parity, 8 data bits, 1 start and 1 or 2 stop bits. Port data rate can
be altered by software command.
3.2.1 COMMAND Port Pin assignments
Pin assignments on the 25-way connector are:
Pin
no.
Circuit no Circuit name Source
1 GND Signal ground/chassis earth/ground
2 103 Transmit Data DTE
3 104 Receive Data DCE
4 105 Request To Send DTE
5 106 Clear To Send DCE
6 107 Data Set Ready DCE
7 102 Signal Ground
8 109 Data Carrier Detect DCE
9 -19 Not used
20 108/2 Data Terminal Ready DTE
21-25 Not used
See section 12 for details of Pin 1 nomination (signal ground or chassis
earth/ground), factory default setting is chassis earth/ground with no
grounding links fitted.
3.3 ALARM
The alarm facility is provided via a 25-pin female D-type V24/V28
interface connector which allows for connection to your local printer or
alarm management system.
The port is configured as a physical DCE, operating at a default rate of
2400 bit/s, no parity, 8 data bits, 1 start bit and 1 or 2 stop bits.
The data rate of the port can be altered by software command.