Version 6.6 791 October 2014
Installation & Operation Manual 45. Hardware Replacement
45 Hardware Replacement
This section provides instructions for replacing Mediant 8000 components (boards and
modules) in case of hardware failure. Use EMS management interface or CLI to
determine the cause of failure prior to performing these procedures. Contact
AudioCodes Technical Support to order replacement hardware.
The section also contains instructions for adding a new hardware to the Mediant 8000
chassis. See "'Adding Media Gateway Boards to a Mediant 8000 System' on page
797.
45.1 Hardware Replacement Preliminaries
Before starting hardware replacement procedure, be sure to prepare all replacement
components and tools to be used in advance.
45.1.1 ESD Requirements
Electrical Component Sensitivity
Electronic components on printed circuit boards are extremely sensitive to
static electricity. Normal amounts of static electricity generated by clothing
can damage electronic equipment. To reduce the risk of damage due to
electrostatic discharge when installing or servicing electronic equipment, use
anti-static earthing straps and mats.
Before removing any hardware component from the Mediant 8000 chassis:
1. Locate the ESD (electrostatic discharge) connections on the Mediant 8000
chassis. See the diagrams in 'Front and Back Views of the ' on page 37Mediant
8000.
2. Attach a wrist strap for electrostatic discharge (ESD) and connect it to an ESD
connection on the chassis using a banana plug or an alligator clip.
45.1.2 Slot Assignment
Caution
Board types are assigned to specific slots (see 'Board Assembly Order' on
page 87). The midplane behind the slots contains keys that are specific to the
board types appropriate for the individual slots. Forcing a board into a slot for
which the board is not keyed will damage the board and/or midplane. If a
board does not easily slide in the full way, verify that it appropriate for this
slot.
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