Version 5.6 23 November 2008
Installation Manual 2. Installing the Device
AudioCodes recommends using a surge protector such as CIRCA 4B1FS-240 of
CircaTelecom (http://www.circatelecom.com) and a building entrance terminal fixture (e.g.,
CIRCA 2625QC/QC).
Alternative surge protectors should meet the following specifications:
Technology: Solid State
Breaking Voltage: 230V
Response Time: < 1 nanosecond
¾ To connect MP-124 to a surge protector, take these 2 steps:
1. Mount the MP-124 as close as possible (less than 24 inches / 61 cm) to the surge
protector chassis and connect the device's earthing screw to the surge protector's
chassis ground hole, using a 14-AWG (minimum) wire.
Figure 2-15: MP-124 Wiring Using Earthing Screw on Rear Panel
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