タイトルまたは説明

Technical specification
? Optical interface characteristics
Connector:          FC/PC
Transmit wavelength:    **0nm/***0nm/***0nm
Transmit distance:  single mode: ****0Km(Standard:*0Km),
multi mode: **2Km
Optical transmit power: Finer than *8dB
Receive sensitivity: Finer than *8dB
Optical dynamic range: *2dB
Maximum optical loss: *2dB
? Video interface characteristics
Connector:  BNC Socket
Video bandwidth: 8 ~ *5 MHZ
Digitization: *0bit
DG?      < 1%?Typical value?
DP?      < 0.*0?Typical value?
Vertical slope:  < 0.5%( Max value)
SNR:      >*7dB
In/Output impedance: *5Ω (Unbalance)
In/Output Voltage: 1.0Vpp( Typical value?
? E1 interface characteristics
Interface terminal: BNC socket
Rate: ***8Kbps   ±*0ppm
Code pattern: HDB3
Impedance: *5Ω (Unbalance)
Jitter: comply to ITU-TG.**2, ITU-TG.**3 standard
Input attenuation allowed: *- 6DB

? Audio interface characteristics
Interface terminal: Standard stereo socket
Audio direction: Forward, reverse, bi-direction
Digital sampling: *4bit *8k
Bandwidth? *0HZ ~ *4HZ
Maximum voltage: 2Vp-p
SNR: >*5dB
? FXS phone interface characteristics
Interface terminal: RJ*5
Ring voltage: *5V
Ring frequency: *5Hz
Second line impedance: **0Ω( off hook)
Return loss: *0dB
? FXO phone interface characteristics
Interface terminal: RJ*5
Ring monitoring voltage: *5V
Ring monitoring frequency: *7Hz~*0Hz
Second line impedance: **0Ω( off hook)
Return loss: *0dB
? Data interface characteristics
Interface terminal: Industrial Wiring Terminal
Data transmission: Reverse/Bi-directional
Bandwidth: 0~****0Kbps
Standard: RS***2/RS***2/RS***5
Bit error rate:<*0 *9
? Ethernet interface characteristics
Interface terminal: RJ*5
Ethernet protocol: According to IEEE**2.**0/**0 Base-T
Transfer rate: *0/**0M self-adaptation