1-5
1.3 I/O & Communication Modules
The IRRInet-XL RTU provides a wide range of I/O modules for interfacing with user
equipment requirements (See Table 1-2). The RTU can house up to 3 I/O modules and 1
communication management unit module.
Refer to the INSTALLATION section for detail descriptions of each module.
Each RTU is supplied with a special transparent label card making it possible for the
user to record the appropriate slot number and I/O connections of each module in use.
Table 1-2 I/O & Communication Modules
Option No. Model
V379 I/O-DC Module
V233 I/O-AC Module
V318 Single Cable Module
V143 CMU (Communication Management Unit) Module
N
N
o
o
t
t
e
e
:
:
All MOSCAD-L I/O Modules should operate properly in the IRRInet-
XL RTU. However, for complete compatibility and connectivity with
the IRRInet-XL RTU check the IRRInet-XL System Planner Manual
and the MOSCAD-L RTU Owners Manual – Motorola Part Number
6802951C50.
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