Optical interface

Conventional FC (optional SC, ST)

Wavelength

single mode 1310nm/1550nm ；multimode 850nm/1310nm

Fiber

multimode, single mode

Transmission power

-9dBm/-5dBm

Transmission length

20km (basic type) (40km, 60km, 80km optional)

Receiving sensitivity

better than -36dBm

Video characteristics(V)

Number of Video interface

32 video

Video interface form

BNC

Video input/output impedance

75Ω（unbalanced)

Video input/output voltage

1Vp-p

Differential gain

<1% (typical)

Differential phase

 <1 ° (typical)

 Video signal to noise ratio (weighted)

S/N ≥ 70dB (maximum optical link loss)

Video bandwidth

2Hz～8MHz

窗体顶端

Sampling frequency

16MHz

Quantization level

8/10bit

Signal System

PAL/NTSC/SECAM

Color brightness delay difference

10ns

Color brightness gain difference

+/- 10%

Data characteristics(D):(Optional)

Data Interface Terminals

Standard Industrial Terminals

Data format

RS-232 / RS-485 optional

Work mode

 half duplex / full duplex optional

Transmission rate

0～115.2Kbps

Bit Error Rate

≤10^-9

Audio characteristics(A):(Optional)

input/output voltage

1Vp-p

input/Output impedance

 600Ω, unbalanced

Sampling frequency

8KHz

Switch interface parameters(K):(Optional)

Physical interface

Standard Industrial Terminals

Input signal

any active or passive alarm, switch signal input, support TTL, or passive switch, button

Output signal

any active or passive alarm, switch signal output, support for TTL, or relay contact output

Note: the switch can only access 5V signal or passive switch, the output is used to drive an external controller, and then control the high-voltage equipment

Telephone characteristics (p):(Optional)

Interface Type

Automatic (FXS), exchange (FXO)

Sampling frequency

8KHz

Coding

A law

Bit rate

64Kbit / s

Maximum loop resistance

2000Ω

Effective transmission bandwidth

300-3400HZ / 600Ω

Idle channel noise

<-67dB

Ring current voltage

25 ± 3Hz, 75 ± 15V

Net attenuation frequency

to meet the ITU-T recommendations

Free talk noise

no more than -65dBm0p

Road cross-talk

no more than -65dBm0

Amplitude characteristics

Meet ITU-T recommendations

Total distortion

Meet ITU-T recommendations

Power supply conditions

-48VDC

 Power supply range -36V ~ -72V, ripple ≤ 240mVp-p

220VAC

 Power supply range 110V ~ 265V, 50Hz

Power consumption

The whole is less than 3W

Environmental requirements

working environment:

Ambient temperature

-10 ℃ ~ 55 ℃

Relative humidity

≤ 90% (non-condensing)

Atmospheric pressure

86 ~ 106KPa

Storage environment:

Ambient temperature

-20 ~ 80 ℃

Relative humidity

≤95%

Size

230x160x43mm