Bộ chuyển đổi 4 kênh video + 1 kênh RS485 sang quang JHA TECH JHA-D4VT1RB-20
JHA-D4VT1RB-20 optical video transmitter and receiver transmit 4ch video and 1ch RS485 data signals on optical fiber. On 9/125um Single mode fiber its working distance is 20Km to 80KM while on multimode fiber it’s 1Km.
Tính năng
- Robust metal casing
- Lightning proof solution
- Low optical link loss – max 30dB
- Without EMI, RFI and ground loop
- Bi-di transmission on 1 fiber with WDM
- Hot plug-and-play with switch power supply
- Available in standalone and 3U rack systems
Thông số kỹ thuật
|
Video |
| Channel Quantity |
4ch, from camera to control center |
| Compatible Systems |
NTSC/PAL/SECAM |
| Impedance/Voltage |
BNC 75Ω (unbalanced) / 2.0Vp-p |
| Differential Gain |
< ±1% |
| Differential Phase |
< ±1 |
| S/N ratio |
>60dB(weighting)(8 bit) |
| Interface |
BNC |
|
Optic |
| Wavelength |
1310nm/1550nm |
| Output Power |
-8~3dBm |
| Optic fiber |
Single mode (9/125um) 20Km, multimode (50/125um) 1Km, ( 62.5/125um) 500m |
| Receiving sensitivity |
-30dBm |
| Interface |
FC standard, ST/SC optiona |
|
Data |
| Channel Quantity |
1ch, from control center to camera |
| Data protocol |
RS485 |
| Bandwidth |
0~300kbps |
| Error rate |
10-9 |
| Interface |
Phoenix terminal |
|
Electrical. Environmental. Mechanical |
| Operating voltage |
DC 5V1A |
| Operating temperature |
-35℃～+75℃ |
| Storage temperature |
-45℃～+85℃ |
| Humidity |
0~95%non-condensing |
| Dimension-standalone |
179mm ×128.5mm ×28.5mm |
| Net Weight |
0.56kg/piece |
| Gross Weight(pair) |
1.30 kg/pair |
Download
Datasheet
