Description

1.  Overview
HC***2M adopts the latest optical communication technology, and makes *-channel positive-going video, *-channel bidirectional audio, *-channel sync switch, and *-channel Ethernet multiplexed over a fiber transmission; video signal compatible with PAL, NTSC and SECAM formats. Easy installation, without any adjustment to the work; could transmit signals of video, audio, data and Ethernet up to **0km above. Now it is widely used in radio and television transmission, video surveillance, railway/highway monitoring, security, video conferencing and other fields.

2. Features
«  *-channel forward video, *-channel bidirectional audio, *-channel sync switch, and *-channel Ethernet over a single fiber
«   **-bit digital video encoding and uncompressedtransmission technology
«   **-bit digital audio encoding
«   RS***2, RS***5 (full/half duplex), and other data signal formats and Manchester
«  Video AGC (Automatic Gain Control) to provide greater flexibility and more stable image
«  Strictly selection material and quality control in order to ensure high quality and high reliability
«  Compatible with PAL, NTSC and SECAM video quality control system
«  System status could be monitored by the power and other parameters LED indicator
«  SMT Surface Mount Technology
«  1U rack mount, 4U rack mount and stand-alone
«  Lower power consumption and free installation, debugging

3.  Specifications
a) Video
Channel: 2
Video format: PAL/NTSC
Input level: :0.5~2Vpp
Output level: 1Vp-p
Bandwidth (*3 dB):8 MHz
Digital bits wide: **-bit
Differential gain: ≤1.5%
Differential phase: ≤1°
Weighted SNR: ≥*3 Db
Connector: BNC *5&branded;
b) Audio
Channel: 1 (bi-directional)
Input/output level: 2Vp-p max
Total harmonic distortion: ≤1%
Bandwidth (*3 dB):*0~*5 KHz
Audio encoding: **-bit
Input/output impedance: **0K&branded; (**0&branded; optional)
Weighted SNR: ≥*0 Db
Connector: Terminal Block with Screw Clamps
c) Data
Channel: 3 max (0~2 optional)
Data format: RS***2, RS***2, RS***5 (full/half duplex) and support NRZ, RZI and Manchester
Mode: Full/half duplex
Connector: wire connecting terminal
d) Switch
Channel: 4 (in direction of video)
Input: Dry contact
Output: Dry contact
Contact capacity: 1A at *0 VDC
Connector: phoenix terminal
e) Optics
Wavelength: ***0/***0nm
Type: SM
Max. Link loss: *2dB
Output power: –5 ~ –*0dBm
Receiver sensitivity: **4dBm (other optional)
Connector: FC/PC (SC or ST)
f) Ethernet
Data rate: *0/**0Mbps
RJ*5 Port: UTP****-ohm Cat.5 cable
Standard: IEEE**2.3u, IEEE**2.3x
g) Power and environmental indicator
Stand-alone power: 6W
Insertion power: 6W
Power adapter: **0VAC to *2VDC/1A
Operating temperature: **0°C to **0°C
Relative humidity: < *5% ((non-condensing)

4.  Applications
Green city, highway and subway full control, RS***2 or RS***5 full/half-duplex control of PTZ, communication transmission, access control system, fire alarm system, intelligent building etc…