L-PHN-4CH
4 Channel Telephone Fiber Multiplexer
QuestTel 4 Channel FXO/FXS Phone over singlemode fiber multiplexer: L-PHN-4CH provides long haul run of telephone over fiber, which excludes electromagnetic noise factor and provides extra security to the system. Optical cables are light, easy to manage and cost effective as well. L-PHN-4CH unit is used by many corporations to connect subdivisions phone lines in order to improve security and prevent data leaks, it is an essential part of any high security application.
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- Compatible with a variety of phone formats , standard RJ11 telephone interface
- Supports caller ID and reverse polarity charging function
- Support FXO / FXS
- Support video lossless regenerative relay
- data status indication LED
- Modular design
| Type | FXO/FXS telephone |
| Ports | 4 telephone port RJ11 port |
| Switch Terminal |
Ordinary telephone or PBX, PBX (PBX), public telephone outside the PSTN |
| FXS | Ringing voltage: 75V, ringing frequency: 25HZ |
| FXO |
Second line input impedance:600Ω (hook), return loss: 40db, ring detection voltage:35V |
| Ring detection frequency |
17HZ-60HZ, second-line input impedance: 600Ω (hook), return loss: 40 db |
| Broadband Voice | 8KHZ |
| Connection |
Point to point, telephone to telephone, telephone to switch |
| Code | PCM code |
| Environmental Specifications | Operating Temperature: -35° - 75°C Storage Temperature: -40° - 85°C Operating Humidity: 0% - 95%, non-condensing |
| Transmission Distance | 20km (optional 40/60km) |
| Total power consumption | 2.5w (Input:DC5V 1A) |
| Power supply | Input:AC110-240V 50/60Hz, Output:5V 1A |
Disclaimer: Products, specifications and data are subject to change without notice, to improve reliability, function, design or otherwise.
QuestTel shall have no liability for any error or damage of any kind resulting from the use of this document.
