PCM Multiplexer

نقد و بررسی

 Multiplexer pcm a system Moving phone lines (fxo/fxs) is on optical fiber that has the ability to simultaneously transmit 32 +4 ethernet ge+ 4 E1 on one or two optical fibers – to transmit lines in organizations and companies that have the possibility of providing telephone lines on wire There is no copper.

System capabilities

• Port E1 Compliant with G.703.
• Phone ports support FXO and FXS port.
• Support FXO/FXS audio, EM2/4, magnet phone interface,
•  The FXO port can work with all types of telecommunication centers and telephone switches and exchanges.
• FXS port connected to the user’s phone. or has connections to all kinds of centers and exchanges.
• 1 to 30 channel audio transmission, supports caller ID feature and reverse polarity functions.
• Support SNMP V2, V3
• Provide 4 expansion interfaces, can asynchronous data 1 ~ 4 channels like RS232 / RS485 / RS422 /
• Network ports support 10M/100M, with auto matching, VLAN.
• Network ports can support AUTO-MDIX.
• Telephone ports with lightning protection, IEC61000-4-5 and short-circuit current 8 / 20μs, maximum output voltage 6KV open standards
• Fiber transmission distance from 2 to 180 km
• DC48V-AC220V power simultaneously

Technical specifications

 fiber

Multimode

E1 Interface

Interface Standard:    comply with protocol G.703;

Interface Rate:         n*64Kbps±50ppm;

Interface Code:         HDB3;

E1 Impedance:     75Ω (unbalance), 120Ω (balance);

Jitter tolerance:        In accord with protocol G.742 and G.823

Allowed Attenuation:   0~6dBm

 Ethernet interface(10/100M)

Interface rate:           10/100 Mbps, half/full duplex auto-negotiation

Storage Humidity:           5%~95 % (no condensation)