| Optical fiber |
|
| Port No. |
1 |
| Fiber type |
single fiber/dual fiber |
| Port type |
FC/SC/ST/LC(SFP) |
| Wavelength |
850nm/1310nm MM；1310nm/1550nm SM |
| Transmission distance without relay |
2~120Km |
| Typical transmitting power |
SM 1310/1550nm：≥-9dBmMM 850nm：-18dBmMM 1310nm: -25dBm |
| Range of receiving sensitivity |
-28dBm~- 40dBm |
| 3Gbps High Definition-SDI video |
|
| video bandwidth |
270Mb/s – 2.97Gb/s |
| TV signal standard |
SMPTE 424M, SMPTE 292M, SMPTE 344M, SMPTE 259M, DVB-ASI |
| Return loss |
>15DB |
| Balance |
250m@270Mbit/s,140m@1.485Gbit/s,80m @2.97Gbit/s |
| Port |
75Ω BNC |
| 10/100M Ethernet port |
|
| Protocol |
IEEE 802.3，IEEE 802.1Q(VLAN) |
| Rate |
10/100M self-adaptive,full/half duplex self-adaptive |
| MAC address capacity |
4096 |
| Physical port |
RJ45 |
| 10/100/1000M Ethernet port |
|
| Protocol |
IEEE 802.3，IEEE 802.1Q(VLAN) |
| Rate |
10/100M self-adaptive,full/half duplex self-adaptive |
| MAC address capacity |
4096 |
| Physical port |
RJ45 |
| FXS user telephone port |
|
| Ring voltage |
75V |
| Ring frequency |
25Hz |
| 2 line input impedance |
600Ω(pick up) |
| Return loss |
20dB |
| FXO relay port |
|
| Ring detect voltage |
35V |
| Ring detect frequency |
17Hz-60Hz |
| 2 line input impedance |
600Ω(pick up) |
| Return loss |
20 dB |
| 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) |
| Interface |
RS-422: TxD+ TxD- RxD+ RxD- RS-485 4 wires: TxD+ TxD- RxD+ RxD- RS-485 2 wires: A( corresponding to TX+) B(corresponding to TX-) Ground RS-232: RXD TXD Signal Ground |
| Dry contact port |
|
| Output port type |
signal relay dry contact output port |
| Respond time |
signal relay dry contact output port:<1.2ms |
| Switch signal |
signal relay dry contact output port 36VDC/0.5A |
| Maximum switch frequency |
50Hz |
