Programming instructions

IM166-123
DXP Plus Programming Instructions
1.1
Connecting The PC To The DXP Plus
Connect the serial data port of the PC to the maintenance port of the DXP Plus central processor (CPU)
board. The maintenance port is a dedicated serial data port reserved exclusively for system
programming.
You can connect the PC remotely to the DXP Plus using a modem and a telephone line. The DXP Phs
includes its own modem that someone on site can connect between the CPU board’s modem port and an
outside telephone line.
NOTE: Do not perform a system software upgrade through a modem connection.
NOTES:
.
D
;
3
3
J
L Serial Modem Port
1. Maximum distance between
the two dedicated serial data ports
and the external data equipment is
limited to 25 feet.
\
\
2. Some data devices require
L Maintenance Port
CTS signal for proper
operation. Route to device
as needed.
ml
I
2
3
4
5
6
(Front View of Jacks)
PLUS044
1 =RTS
2=CTS
3=RD
4=TD
5=SG
6=PG
l-2 General Programming Information