
PRODUCTS
Flexible services over E1 PCM Multiplexer
HM-PE series PCM multiplexer is for FXO/FXS+ flexible services over E1. The flexible services including phone, Ethernet, RS485/RS232, V.35 etc. These functions are by 4 extra service slots. This device is mainly used in public security, military, water conservancy, electric power, oil field etc.
Extra service overview:
Channel for slots Service |
Available per extra service slot |
Maximum by 4 extra service slots |
Phone/hotline(FXO/FXS) |
8channel |
30channel |
Low speed Ethernet |
1channel |
4channel |
RS232/RS485 |
4channel |
16channel |
V.35 |
1channel |
1channel |
2 wire EM or 4 wire EM |
2channel |
8channel |
Please notes:
- The different service slots can use different services.
- We recommend single power for more than 16channel phone.
- If FXO/FXS required in the same device, the phone in one slot can't be mixed. One slot can only be FXO or FXS
Technical Parameters
Device construct |
1U 19 inch. Compact and good appearance |
Main Feature |
4 slots to offer flexible customise services |
E1 |
One E1 with HDB3 coding |
Rate: 2.048Mb/s±50ppm |
|
Both with BNC (75Ω)and RJ45(120Ω) |
|
Fully comply with ITU-T G.703 |
|
Phone (hotline or FXO/FXS) |
8channel per slot , maximum 30 channel phone can be offered. |
Impedance: 200Ω+680Ω‖0.1uF |
|
Frequency character: 300-3400Hz(-0.6-+3dB) |
|
Weighted noise: ≤-65dBmop |
|
Interface loop resistance: ≤1800Ω |
|
Ethernet (option) |
1 channel per one slot., maximum 4 Ethernet ports available. |
Bandwidth: NX64Kbps,N=1-30 |
|
MAC address list capability: 1024 |
|
MAC address list aging time: 5 minutes |
|
Frame length: 64byte~2024byte |
|
RS232 (option) |
4channel RS232 per slots, maximum 16 channel RS232 |
Transmitting output voltage: ±15V |
|
Receiving input voltage: ?±15V |
|
The maximum rate of transmitting and receiving: 38.4Kbps |
|
RS485 (option) |
4channel RS485 per slots, maximum 16 channel RS485 |
Receiver input sensitivity: maximum ±200mV |
|
Receiver output current, IO: ±10mA |
|
The maximum rate of transmitting and receiving: 38.4Kbps |
|
V.35 (option) |
Maximum one V.35 available |
Interface: DCE with DB25 connector |
|
Rate: NX64Kbps, N=1-30 |
|
EM phone (option) |
2channel per extra service, maximum 8 channel |
2 wire EM or 4 wire EM optional |
|
Indicator light |
DC-POWER and AC-POWER for power |
LOS, AIS for E1 |
|
1-8 indicator light for phone |
|
LINK, FDX, BT for Ethernet |
|
TX1-TX4, RX1-RX4 for RS485/RS232 data |
|
RD,TD for V.35 |
|
Power |
AC220V or DC48V optional for more than 16 channel phone |
AC and DC dualpower available for option for less than 16 channel phone |
|
Power consumption: ≤30W Each FXO or FXS is with 1W. |
|
Environment |
Working temperature: 0 ~ 70℃ |
Relative humidity: ≤90%(25℃) |
Application Diagram
Contact Us
Address: East Anningzhuang Rd.,Haidian District, Beijing, China
Tel: +86-10-62924922/62926577
Fax: +86-10-62922921
E-mail: human@hm-it.com
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