The CTP2000 Series 4W&EM interface module has eight 4-wire E&M ports and provides support for voice applications. It is used with voice compression (VCOMP) bundles in CTP2000 models and can be used only with a CTP2000 compression module.Four-wire audio interfaces with E and M signaling interfaces (4W&EM) are commonly used as trunks between a central office (CO) and a private branch exchange (PBX). E and M is a type of supervisory line signaling that uses separate leads, called the "E" (ear) lead and "M" (..
Manufacturer: Juniper Networks, Inc
Manufacturer Part Number: PWR-M20-DC-S
Brand Name: Juniper
Product Name: DC Power Supply
Product Type: Proprietary Power Supply
Input Voltage Type: DC
Compatibility: Juniper M20 Internet Backbone Router..