ASIT AHD-1V1D-T/RF-720P User manual

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Shenzhen HUAHANDA Optical Technology Limited
Analog HD video over fiber converters for smart HD CCTV
Our AHD Video over Fiber Converterscan simultaneously transmit 1-16 channels AHD over one
multimode or single-mode optical fiber. Electronic and optical adjustments are never required. LED indicators
are provided for instantly monitoring system status. Devices are available for either standalone or rack-mount
installation, which is suitable for different working environment . Compatible with AHD-H、AHD-M、AHD-L /
HD-TVI 720P & 1080P / HD-CVI 720P & 1080P .
Its optical module and core circuit adopt the imported components that have high stability, and all optical &
electrical interfaces conform to the international standards, which is applied to the different working
environment. This optical transceiver with video status indication can monitor the normal operation of system.
Analog HD video 1080P (1920x1080) / 960P (1280 x 960) / 720P (1280 x 720) comply with AHD /
HD-TVI / HD-CVI
Automatic compatible PAL, NTSC and SECAM video system
10-bit digital code and non-compression type video transmission .
Power supply and other parameter state indication, which can monitor the operation condition of system
Support no-damage regenerative trunk of video
Constant input optical power, and large dynamic range ,no Electrical or Optical Adjustments Required .
Special ASIC design .
It is plug-and-play and supports hot-swap, convenient for fixing without modulation.
Can be installed in 19 inch rack-mounted chassis(2U/4U).
Public Security Surveillance
Intelligent Transportation System
Connection of Sub-network for Surveillance Center
High Way & Toll Station Surveillance
High Quality Video Conference
Industrial Closed Circuit Television Surveillance
Coliseum using for TV-live ,audio transmission
Analog HD video over fiber converters for smart HD CCTV
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Analog HD video over ber converters for smart HD CCTV

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Shenzhen HUAHANDA Optical Technology Limited
Video input / output impedance 75 Ohm (imbalance)
Standard video input / output voltage 1.0Vp-p Type
Video voltage range 0.6-2.0 Vp-p Type
Differential gain(10%-90% APL) <1% Type
Differential phase(10%-90% APL) <±1 Type
Signal-to-noise ratio ﹥60Db (Weighted) (10Bit)
﹥70Db (Weighted) (10Bit)
Channel physical interface BNC
Audio input/output impedance 600 Ohm(imbalance)
Audio maximum input/output voltage
2.0 Vp-p
Audio input/output level 0 dbm (typical value)
Frequency Response 10Hz~20kHz
Total harmonic distortion
﹤0.05%
Signal-to-noise ratio ﹥95Db ( weighted)
Channel physical interface
Terminal Blocks
Data format Rs232、Rs422、Rs485
Data rate
0-300 kbps
Bit error rate 10ˉ9
Channel physical interface Terminal Blocks
Connector FC/ST (optional)
Wavelength 1310nm & 1470nm ~ 1610nm
Fiber type 50/125u multi-mode,62.5/125u multi-mode，9/125u
single mode
Typical optical output power - 8 ~ -3 Dbm
Typical receiver sensitivity -25 Dbm
Optical interface Simplex
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Analog HD video over ber converters for smart HD CCTV

Network Equipment สำ หรับกล้องวงจรปิด
Network Equipment สำ หรับกล้องวงจรปิด
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Shenzhen HUAHANDA Optical Technology Limited
Physical interface
Terminal Blocks
Signal input
Alarm or switching value Input ,support TTL、
Rs-232/422/485 or switches, buttons
Signal output Alarm or switching value output ,support TTL、Rs-232/422/485
or Contact Relay output.
Power supply AC 110-220 V to DC 5V
Operating Temperature
-10
℃～
+70
℃
Relative humidity 0-95% ( no condensation)
Model
Video
DATA
Fiber Optic
AHD-1V1D-T/RF-720P 1-Ch Video AHD 720P 1-Ch RS485 for PTZ SM 20Km,Simplex FC
AHD-1V1D-T/RF-1080P 1-Ch Video AHD 1080P 1-Ch RS485 for PTZ SM 20Km,Simplex FC
AHD-2V1D-T/RF-720P 2-Ch Video AHD 720P 1-Ch RS485 for PTZ SM 20Km,Simplex FC
AHD-2V1D-T/RF-1080P 2-Ch Video AHD 1080P 1-Ch RS485 for PTZ SM 20Km,Simplex FC
AHD-4V1D-T/RF-720P 4-Ch Video AHD 720P 1-Ch RS485 for PTZ SM 20Km,Simplex FC
AHD-4V1D-T/RF-1080P 4-Ch Video AHD 1080P 1-Ch RS485 for PTZ SM 20Km,Simplex FC
AHD-8V1D-T/RF-720P 8-Ch Video AHD 720P 1-Ch RS485 for PTZ SM 20Km,Simplex FC
AHD-8V1D-T/RF-1080P 8-Ch Video AHD 1080P 1-Ch RS485 for PTZ SM 20Km,Simplex FC
AHD-16V1D-T/RF-720P
16-Ch Video AHD 720P
1-Ch RS485 for PTZ
SM 20Km,Simplex FC
AHD-16V1D-T/RF-1080P 16-Ch Video AHD 1080P
1-Ch RS485 for PTZ SM 20Km,Simplex FC
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Analog HD video over ber converters for smart HD CCTV

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Shenzhen HUAHANDA Optical Technology Limited
The video transmission systems series are preset for use with the data protocol RS-485. Simply connect
the signal, power supply and fiber optic cables between the two units. There are indicator LEDs on the units
for monitoring the real-time status of power and data. The following instructions describe the typical
installation procedure and the function of the LED indicators located on each unit.
1. connect the video source (camera) to the video input BNC connector on the transmitter unit using coaxial
cable.
2. Connect the video output BNC connector on receiver unit to the video monitor using coaxial cable.
3. Connect the fiber optic cable between the transmitter and receiver.
4. Apply the power supply to both the transmitter and receiver.
5. when the power is applied, the yellow POWER LED will light, indicating the presence of operating power.
The blue VIDEO LED and the blue DATA LED will give an indication as stated in the following page.
6. The system should now be operational.
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Analog HD video over ber converters for smart HD CCTV

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Network Equipment สำ หรับกล้องวงจรปิด
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Shenzhen HUAHANDA Optical Technology Limited
The various input and output connections for our video digital optical as follows:
Video input or output: BNC Connectors.
Data Input/Output Connector:
RS-485 2-wire
Red Wire: Signal being transmitted or received (+) over fiber.
Blue Wire: Signal being transmitted or received (-) over fiber.
RS-485 Connection
Camera site
Connected the Red wire (485A) in the data cable from the transmitter to RS-485 (+) of the controlled unit
(pan/tilt, dome), and connect the Blue wire (485B) to RS-485(-)
Of the controlled unit (pan/tilt, dome).
Control site
Similarly, connect the Red wire (485A) in the data cable on the receiver to RS-485(+)
Of the controlling unit (Keyboard Controller, Matrix, DVR), and connect the Blue wire (485B) to RS-485 (-) of
the controlling unit (Keyboard Controller, Matrix, DVR).
RS-232
Green Wire: Signal being transmitted out over fiber (232R).
Yellow Wire: Signal being received in from fiber (232T).
Perplex Wire: Ground.
RS-232 Connection
Camera Site
Connect the Yellow wire (232T) in the data cable from the transmitter to RS-232 port of the controlled unit
(pan/tilt, dome), and Purple wire (GND) is used for ground connection.
Control Site
Connect the Green wire (232R) in the data cable from the receiver to RS-232 port of the controlling unit
(Keyboard Controller, Matrix, DVR), and the Purple wire (GND)
Is used for ground connection.
Indicator LEDs
The stand-alone units have integral LEDs that are used to monitor the state of the unit.
There are sixteen video LEDs, one power LED and one data LED on each unit. One,
Labeled as “power (or PWR)”, lights when the video input/output signals are detected. The other one, marked
as “TD or RD”, blink at the rate of the operating data.
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Analog HD video over ber converters for smart HD CCTV

Network Equipment สำ หรับกล้องวงจรปิด
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Shenzhen HUAHANDA Optical Technology Limited
TRANSMITTER and RECEIVER:
Power: ON: (GREEN) Indicates that correct power has been applied.
Transmitter:
Video: OFF: Indicates no video detected on input BNC connector
( No Video present no input BNC)
On: (GREEN) indicates video detected on input BNC connector
(Video present on input BNC)
Data: OFF: Indicates no data detected on the transmit data cable
Blinking: (GREEN) Indicates data transmitted at the rate of the operation data.
Receiver:
Video: OFF: Indicates no video present on output BNC
(No Video present on output BNC)
On: (GREEN) indicates video detected on input BNC
( Video present on input BNC)
Data: OFF: Indicates no data detected on the receive data cable
Blinking: (GREEN) Indicates data received at the rate of the operation data.
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Analog HD video over ber converters for smart HD CCTV