5 connect led and switch wires – Chenbro Chassis RM21400 User Manual

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2.5 Connect LED and switch wires

There is one 2 x 9 pin connector on left-bottom side on SC SI backplane. This
connector provides several LED and switch connections for devices. The detail
pin definition is listed below.

Pin 1

Device 1 Power LED - Pin 2

Device 1 Power LED +

Pin 3

Device 1 Access LED + Pin 4

Device 1 Access LED -

Pin 5

Device 2 Power LED - Pin 6

Device 2 Power LED +

Pin 7

Device 2 Access LED + Pin 8

Device 2 Access LED -

Pin 9

Device 3 Power LED - Pin 10 Device 3 Power LED +

Pin 11 Device 3 Access LED + Pin 12 Device 3 Access LED -
Pin 13 Fail LED -

Pin 14 Fail LED +

Pin 15 N/A

Pin 16 N/A

Pin 17 Reset -

Pin 18 Reset +

1. Check the pin number of “Reset SW” on connector.