36
2-3-5 Termination Resistance Units
A
T
ermination Resistance Unit
(CV500-TER01) must be attached to all unused
I/O connectors of I/O Control and I/O Interface Units in the system. Failure to
attach
T
ermination Resistance Units to the unused I/O connectors will result
in
an
error and the incorrect operation of the PC. The following example illustrates
the locations where Termination Resistance Units are required. Two Termina-
tion
Resistance Units are provided with the CV500-IC101/201 I/O Control Unit.
CPU Rack
Termination
Resistance Unit
Termination
Resistance Unit
CPU Rack
Termination
Resistance
Unit
Termination
Resistance
Unit
Note Attach
and remove T
ermination Resistance Units only when PC power is OFF
.
Rack Components Section 2-3
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