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Cisco ONS 15310-MA SDH Reference Manual, Release 9.1 and Release 9.2
78-19417-01
Chapter 1 Cisco ONS 15310-MA SDH Shelf Assembly Hardware
Power and Ground Description
Figure 1-6 Ground Holes on the Left and Right Sides of the ONS 15310-MA SDH Shelf Assembly
Caution Always use the supplied ESD wristband when working with a powered ONS 15310-MA SDH. For
detailed instructions on how to wear the ESD wristband, refer to the Cisco ONS Electrostatic Discharge
(ESD) and Grounding Guide.
Note Use an external disconnect for service purposes and install it according to local site practice.
The ONS 15310-MA SDH DC power provides redundant –48 VDC power terminals on the rear of the
chassis. The terminals are labeled A and B and are located at each end of the shelf assembly.
Ground holes
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Ground holes