HUAWEI VP9660
Quick Start Guide
2 Installing the VP9660
Issue 04 (2013-12-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
20
shows the board slots. Install Enhanced Central Control Board B
(ECCB)
boards in slots 0 and 1, media boards in slots 2 to 8, and the integrated services digital
network (ISDN) board in slot 9.
Figure 2-11
Slots and boards
Take ESD measures.
Boards are susceptible to ESD damage. To protect the boards, observe the following
rules:
−
Ground the VP9660 correctly in accordance with the grounding requirements.
−
Always wear an ESD wrist strap to protect the boards against ESD during operation.
−
Tighten the wrist strap so it is tight against your skin and
0
Figure 2-12
Wearing an ESD wrist strap
−
Check that the resistance of the ESD wrist strap is between 0.75 megaohms and 10
megaohms. If the resistance is beyond the range, replace the ESD wrist strap.