● This PCM multiplexer can monitor the alarm status of the remote end.
● E1 interface complies with the G.703 recommendation and uses all-digital clock recovery and smooth phase-locked loop technology.
● Voice interface supports FXO and FXS ports, as well as EM2/4 audio interfaces. FXO ports connect to PBX, while FXS ports connect to user telephones.
● Supports calling number display and reverse polarity billing function.
● Supports mutual dialing function between various sites.
● The device can detect whether the remote device is powered off or the E1 is not working when the E1 signal is lost.
● Multiple power supply options, such as AC220V, DC-48V/DC24V, etc.
● 1U rack-mountable unit with independent SNMP network management.
● The telephone interface comes with lightning protection, meeting the GB/T17626.5 (IEC61000-4-5) short-circuit current wave 8/20μs and open-circuit peak output voltage 6KV standards.