Version 7.0 67 Mediant 3000
Hardware Installation Manual 5. Cabling the Device
3. Once you have connected the wires, you must use heat-shrink tubing on the connector
and wires on the PEM, in compliance with the IEC61000-4-2 (8KV Air and 4KV
Contact) standard (as shown in the figure below).
Figure 5-16: Heat Shrink Tubing on PEM Alarm Wires and Connector
Item # Description
1
Heat Shrink Tubing on Alarm Wires and Connector
It is recommended to provide a dual-redundant solution by wiring the two PEMs' alarm
terminal blocks to the alarm device, as shown in the figure below:
Figure 5-17: Normal Logic Alarm Connection (Redundancy Scheme)
Legend Description
1
Alarm Terminal Blocks (Critical Alarm)
2
External Telco Alarm Equipment
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