PRODUCTS
FXO/FXS+flexible services PCM Multiplexer
HM-PL PCM series is for FXO/FXS+flexible services over fiber. The flexible services are offered by 4 extra service slots and customized when in order. They are mainly used in public security, military, water conservancy, electric power, oil field etc.
Extra service overview offered by 4 extra service slots:
|
Channel for slots Service |
Available per extra service slot |
Maximum by 4 extra service slots |
|
Phone(FXO/FXS)/hotline |
8channel |
30channel |
|
n*64kbps Ethernet |
1channel |
4channel |
|
RS232/RS485 |
4channel |
16channel |
|
V.35 |
1channel |
1channel |
|
2 wire EM or 4 wire EM |
2channel |
8channel |
Please notes:
- One slot is available with one service.
- The different service slots can use same or different services.
- We recommend single power for more than 16channel phone for stable performance. AC and DC dual power for less than 16channel phone available
Technical Parameters
|
Device construct |
1U 19 inch. Compact and good appearance |
|
Main Feature |
4 slots to offer flexible services according to customer’s requirement. |
|
Optical |
Default: FC, dual fiber, single mode, 40km. |
|
Optical module optional according to customer's requirement. |
|
|
Rate: 4.096Mbps |
|
|
Phone (FXO/FXS) |
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) |
Maximum 4 Ethernet |
|
Bandwidth: NX64Kbps，N=1-30 |
|
|
MAC address list capability: 1024 |
|
|
MAC address list aging time: 5 minutes |
|
|
Frame length: 64byte~2024byte |
|
|
VLAN: support VLAN transparent transmission |
|
|
RS232 (option) |
Maximum 16 channel RS232 |
|
Transmitting output voltage: ±15V |
|
|
Receiving input voltage: ±15V |
|
|
The maximum rate of transmitting and receiving: 38.4Kbps |
|
|
RS485 (option) |
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 |
|
|
Interface type: DB25 |
|
|
Rate: NX64Kbps，N=1-30 |
|
|
EM phone (option) |
Maximum 8 channel |
|
2 wire EM or 4 wire EM optional |
|
|
Indicator light |
DC-POWER and AC-POWER for power |
|
NOP, OOF for optical |
|
|
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 double power available for less than 16 channel phone |
|
|
Power consumption≤30W |
|
|
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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