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Repeater Units
CPU Rack
with Optical
Master
Nomenclature and Indicator Lights
14
Repeater Unit RPT01-(P) must be used when the number of Optical Slave
Racks, Optical Transmitting I/O Units, I/O Link Units, and Link Adapters con-
nected in series exceeds 32. Insert a Repeater Unit between the 32nd and 33rd
Units. The example below shows an Optical Slave Rack and Optical Transmit-
ting I/O Units connected in series. Note that a Repeater Unit is inserted after the
total of these Units reaches 32. When I/O Link Units or Link Adapters
AL002-(P)E, AL005-(P)E or AL006-(P)E are used, each of them must also be
counted as one of the 32 Units.
Optical
Slave
Rack
Optical Transmitting
The on/off indicator stays lit while power is turned on. The reception indicator
flashes when the optical bidirectional module receives signals from either side.
The transmission indicator flashes when signals are sent to either side from the
optical bidirectional module.
I/O Units
32 Units total
Repeat-
er Unit
Section
3
Optical Transmitting
I/O Units
1 - 32 Units
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