
HM-P4F Isolated Ethernet PCM multiplexer
Humanity HM-P4F PCM multiplexer realizes 4xFast Ethernet and customized services over fiber.
All the Ethernet ports are physically isolated and wire speed can reach 100M.
Customized services are offered with E1, FXO/FXS, Magnet phone, 2/4wire audio, RS485/422/232 etc. No need configuration and easy for installation. They are mainly used in public security, military, water conservancy, electric power, oil field etc.
Main Features
- 1U 19inch
- Optical rate with 1.25G
- Thunder-protection
- 24hours aging for stable performance.
- Customized flexible services
Specifications
| Optical | Fast Ethernet |
| 1xSFP slotOptical type: use 1.25G or above.Please state optical requirement when in order | Connector: RJ454xFast Ethernet availableShare 10/100M, MDI/MDIX, full/half duplexSupport stream control |
| Telephone(FXO/FXS) | E1(option) |
| Connector: RJ45Impedance: 200Ω+680Ω‖0.1uFFeeding voltage:48 VIdle channel noise:75 dB | Connector: DB25Rate: 2048Kb/s±50ppm Line code: HDB3 codingComply with ITU-T G.703, ITU-T G.823 |
| Magnet phone(option) | Data(option) |
| Connector: RJ45Input impedance(normal non ringing status): 600ΩReturn loss: 40dBFrequency: 300-3400Hz(-0.6-+3dB)Ring voltage: ≤ 90VRing frequency: 20Hz to 90Hz | Connector: RJ45RS232/RS485/RS422 optionRate: Maximum up to 115.2 Kbps |
| 2/4 wire E&M(option) | Environment |
| Connector: RJ45Input impedance: 600ΩTolerance common-mode voltage in audio wire: 300VCMRR: better than 55db. | AC, DC, or AC+DC powerPower consumption: ≤30WWorking temperature: 0 ~ 70℃Relative humidity: ≤90%(25℃) |
Application Diagram
