BH3630-E1 PCM Multiplexer

BH3630-E1 PCM Multiplexer can be 1 to 30 phones and a Road N * 64K Ethernet signal compositeinto a standard 2M (E1) channels for transmission。It uses a dedicated digital multiplexing chip and almost integrate digital logic function, thus significantly improve product performance and reduce costs. The device is excellent overall performance, stable and reliable, low power consumption, high integration, small size, easy installation and maintenance.

BH3630 PCM Multiplexer Technical Parameters：

E1 Interface：
Bit Rate:2.048Mbit/s ±50ppm
Standard:ITU-T G.703、G.704、G.712
Code:HDB3
Jitter characteristics:ITU-T G.823
Impedence:75 ohm（120 ohm Optional）
Physical Connector:NEC（RJ45）

FXO/FXS：
Impedence: 600 ohm
Insertion Loss:-3±0.75dB
Frequency Characteristics:300～ 3400Hz(-0.6～+3dB)
Crosstalk attenuation:≥65dB
Physical Connector :RJ45

Ethernet Interface ：
Standard:IEEE 802.3/802.3u，IEEE 802.1Q(VLAN)
Rate： N*64K,Half/ Full duplex adaptive
Support cross-line direct line adaptive
Physical Connector：RJ45

RS232/V.24 Interface ：
electrical specification：CCITT V.28
transmission rate：asynchronous≤19200bps

2/4 wire Audio Interface ：
Impedence：200Ω+680Ω||0.1μF
4 wireAD gain：14dB(adjustable）
4 wireDA gain：-2 dB（adjustable）
4 wireAD frequency characteristics ：-0.2 - +0.2dB
4 wireDA frequency characteristics：-0.2 - +0.2dB
2 wireAD frequency characteristics：-0.2 - +0.2dB
2 wireDA frequency characteristics：-0.2 - +0.2dB（adjustable）
Return Loss：40dB
Balance：70dB
common mode rejection ratio：70dB
power supply rejection ratio：30dB
Idle channel noise：≥65dB
Loop Resistance：600Ω

ower：
Input:AC220V、DC-48V
Power consumption:≦30W