Dual Impedance 8E1 PDH Optical Fiber Multiplexer With Gigabit Ethernet
Short Description:
| optical fiber | |
| optical port No. | 1/2 |
| optical fiber | dual fiber /single fiber |
| interface | SC/FC/ST/LC |
| wavelength | 850nm/1310nm multimode 1310nm/1550nm single mode |
| transmission distance without relay | 20~120km |
| typical transmitting power | single mode 1310/1550nm：≥-9dBmmultimode 850nm：-18dBmmultimode 1310nm: -25dBm |
| range of receiving sensitivity | -28dBm~- 40dBm |
| E1 interface | |
| rate | 2048Kb/s±50ppm |
| code type | HDB3 |
| impedance | 75Ω/120Ω |
| input port allowed attenuation | 0～6dBm |
| 10/100/1000M Ethernet interface | |
| rate | 10/100/1000M adaptive, full/half adaptive |
| MAC address capacity | 4096 MAC address |
| physical interface | RJ45 |
| serial port | |
| standard | EIA/TIA-232 RS-232 (ITU-T V.28)EIA/TIA-422 RS-422 (ITU-T V.11)EIA/TIA-485 RS-485 (ISO/IEC8284) |
| serial interface | RS-422: TxD+ TxD- RxD+ RxD-RS-485 4 wires: TxD+ TxD- RxD+ RxD-RS-485 2 wires: A(对应Txd+) B(对应Txd-) Signal GroundRS-232: RXD TXD Signal Ground |
| physical interface | RJ45 |
| FXS business telephone interface | |
| ring voltage | 75V |
| ring frequency | 25Hz |
| 2 wire input impedance | 600Ω(pick up) |
| return loss | 20dB |
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