Securing The Bus Bar To The Poe Subsystem's Jumper Plates - Enterasys S-Series Upgrade Installation Manual

Poe subsystem

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11. Secure the bus bar to the PoE subsystem's jumper plates with the flat washers, Belleville

washers, and socket head cap screws provided in the upgrade kit as follows (see Figure

Place the flat washer against the bus bar (for the S‐POE‐4BAY‐PWR PoE subsystem) or the

front jumper plates (for the S‐POE‐8BAY‐PWR PoE subsystem).

b. Place the Belleville washer against the flat washer, with the concave side (that is, the

cupped side) of the Belleville washer against the flat washer.

Insert the socket head cap screw and tighten.

Note: Torque the socket head cap screws to 67 inch pounds.

If you do not torque the socket head cap screws as specified, you may adversely affect the path of

the electrical current from the PoE subsystem to the bus bar.

d. Repeat steps a–c for each of the remaining three screw holes.

Figure 2-16

Securing the Bus Bar to the PoE Subsystem's Jumper Plates (S3 Chassis/S-

POE-4BAY-PWR Example)

Flat washers

Belleville washers (concave side facing the

flat washers)

Installing the PoE Subsystem and the Bus Bar

Socket head cap screws

Enterasys S-Series PoE Subsystem Upgrade Installation Guide 2-17

2‐16):

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S8-poe-8bay-ugk S8-poe-4bay-ugk S4-poe-4bay-ugk S3-poe-4bay-ugk