Quality Fiber and RF GMC200, Руководство пользователя

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GMC200 Media Converter System User Guide
6
2.1.2 Rear Panel Power Supply Slots & Fans
There are two slide-in power supply slots on the rear panel to
accommodate the power supply modules, which are used to support
redundant backup for the chassis. Both power modules can accept either
220VAC or -48VDC supply.
PWR B PWR A
I
O O
I
FAN A FAN B
Slave A
Slave B
Slave C
PWR B PWR A
FUSE FUSE
I
O O
I
FAN A FAN B
Slave A
Slave B
Slave C
In addition to the power supply module, two removable / replaceable fans
can be found on the rear panel, which are used to cool down the chassis.
2.1.3 Rear Panel Management Connectors
There are also three DB-9 connectors in the rear panel used to connect
the master chassis and the slave chassis for network management
communication. Straight through 9-pin DB9 male cable shall be used in this
application. All three connectors are used on the master chassis, while only
the top DB-9 connector is used for the slave chassis. The location for these
connectors and numbering scheme can be found in the following drawing: