
CVR250
SECTION 3
CVR250OPS
20/10/06
www.snellwilcox.com
Version 1 Issue 4
3.4
COMMUNICATIONS CONNECTORS
Remote
This 9 pin `D' connector on the rear panel allows
the unit to be connected to the RollCall 485 network
communications system. This connector may also
be used as a RS422 port. For more information see
Section 5
Modes of Operation.
RollCall
This single BNC connector allows the unit to be
connected to the RollCall network communications
system.
GPI 1 and 2
These BNC connectors provide GPI input and
output control for the module.
Both GPI1 and GPI2 may be configured as inputs
that will allow memory locations to be recalled.
100-240V~
60/50 Hz
1.8A
T
T2A H 250V
R
O
LLC
A
L
L
Y
GPI/O
2
1