HM-PH customized PCM multiplexer
Humanity HM-PH PCM multiplexer can realizes 4E1, 4 Ethernet and customized services over fiber.
The customized services are offered by 4 extra service slots. They are mainly used in public security, military, water conservancy, electric power, oil field etc.
Main Features
- Thunder-protection
- 24hours aging for stable performance.
- Customized flexible services
- Other customized services besides E1 and Ethernet: hotline, n*64kbps, RS232/RS485, 2/4 wire E&M, 2/4wire audio, magnet phone etc.
Specifications
| Optical | E1 |
| Default with dual fiber, single mode, 40km, 1310nm, FCOptical module is option when in order.Rate: 150Mbps | 4E1 Coding: HDB3Impedance: 75Ω or 120Ω optionConnector for 75Ω: DB37 connectorOffer DB37/BNC adaptor for 75ohm and DB37/RJ45 adaptor for 120ohm. |
| Fast Ethernet | Telephone(FXO/FXS/hotline) |
| 4 Ethernet interfaces with VLANShare 10/100M, MDI/MDIX, full/half duplexConnector: RJ45MAC address list capability: 1024Frame length: 64byte~1916byteSupport stream control | Connector: RJ45Impedance: 200Ω+680Ω‖0.1uFFrequency character: 300-3400Hz（-0.6-+3dB）Weighted noise: ≤-65dBmopInterface loop resistance: ≤1800Ω |
| Low speed Ethernet(option) | 2/4 wire EM(option) |
| Connector: RJ45Bandwidth: NX64Kbps，N=1-30MAC address list capability: 1024MAC address list aging time: 5 minutesThe minimum frame length: 64byte~2024byteVLAN: support VLAN transparent transmission | Input impedance: 600ΩTolerance common-mode voltage in audio wire: 300VCMRR: better than 55db. |
| Magnet phone(option) | RS232(option) |
| Connector: RJ45Input impedance(normal non ringing status): 600ΩReturn loss: 40dBFrequency: 300-3400Hz（-0.6-+3dB）Ring voltage: ≤ 90VRing frequency: 20Hz to 90Hz | Connector: RJ45Transmitting output voltage: ±15VReceiving input voltage: ±15V The maximum rate of transmitting and receiving: 38.4Kbps |
| RS485(option) | V.35 |
| Connector: RJ45Receiver input sensitivity: maximum ±200mVReceiver output current, IO: ±10mA The maximum transmitting and receiving rate: 38.4Kbps | Interface: DCEConnector: DB25Rate: NX64Kbps, N=1-30 |
| Console management | Environment |
| Connector: RJ45For monitor and configuration | AC, DC, or AC+DC powerPower consumption: ≤30WWorking temperature: 0 ~ 70℃Relative humidity: ≤90%(25℃) |
Application Diagram
