ITech IT6000C Series User Manual page 19

This interface is used for the parallel connection between the master (with
operation panel) and the slaves (without operation panel). Connect the in-
terface on the rear panel of each unit to be connected in parallel, and the
master can offer synchronous control over the power-on/off of the slaves.
8. USB communication interface
9. Communication interface of inner ring optical fiber (F-TX and F-RX)
This interface is used for the parallel connection between the master (with
operation panel) and the slaves (without operation panel) for realizing
communication of units in parallel.
10. Communication interface of outer ring optical fiber (TX and RX)
This interface is used for the parallel connection between the masters
(with operation panel) for the communication of units in parallel.
11. AC power input terminals (L1, L2, L3, and PE)
12. Chassis ground terminal
The rear panel of the 6U model is the same as the 3U model. Other models
(15U, 27U cabinets) have the same rear panel terminals except for the cabinet
size. The following takes a 15U cabinet as an example.
1. Sense terminals (Vs+, Vs-)
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