龙8-long8(国际)唯一官方网站

l 8/10-bit digital encoding and uncompressed video transmission;

l Support any high-resolution video signal;

l 5Hz-10MHz video channel; automatically compatible with PAL, NTSC, SECAM video system; with APC circuit, the output optical power is constant, the dynamic range is large;

l Without downtime maintenance in the process of using, can be hot-swappable; Gigabit fiber transmission, large capacity, easy to upgrade; 

l Power and other parameters status indicator LED can monitor the operation status of the system;

l Support video lossless regenerative relay;

l Advanced adaptive technology, does not require on-site electrical or optical adjustment;industrial modular design makes the device reliable and flexible;

l Can automatically restore the overload protection; unique full built-in power supply design;

Optical characteristics
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		0-100km
Receiving sensitivity		better than -36dBm
Video characteristics(V)
Number of Video interface		24 video (optional 2-Channel , 4-Channel , 8-Channel , 16~128-Channel forward audio or BIDI audio)
Video interface form		BNC
Video input/output impedance		75Ω（unbalanced)
Video input/output voltage		1Vp-p
Video bandwidth		8MHz
Video sampling		15MHz high speed sampling
Differential gain		(10% -90% APL) DG<1% (typical)
Differential phase		(10% -90% APL) DP<0.7o (typical)
Video signal to noise ratio (weighted)		S/N ≥ 70dB (maximum optical link loss)
Data characteristics(D):(Optional)
Number of Data Channel		1-Channel reverse data(Optional forward data, bidirectional data)
Data Interface Terminals		Standard Industrial Terminals or RJ45
Interface signal		RS-232, RS-422, RS-485, Man code / Biphase, switch signal;
Interface features		meet the ITU-T V.24 standard
Connection mode		DCE
Code rate		0～256Kbps
Bit Error Rate		≤10-9
Audio characteristics(A):(Optional)
Audio channels		1-Channel Bidirectional audio (optional forward audio ,reverse audio)
Each channel bandwidth		20Hz ~ 20KHz
Sampling frequency		96KHz
Quantification level		24bit
Input impedance (Line-in)		47KΩ / unbalanced
Output impedance (Line-out)		10KΩ unbalanced
Nominal input and output level		2Vp-p
Total harmonic distortion		0.1% (typical)
Unbalanced Weighted Signal to Noise Ratio		75dB (typical)
Switch interface parameters(K):(Optional)
Number of Switch channels		forward switch,  bidirectional switch.
Response time		< 0.5ms
Switch interface		Optical MOS relay 350V/120mA
Physical interface		Standard Industrial Terminals
Ethernet characteristics (E):(Optional)
Rate		10/100M Adaptive
Protocol:		Support IEEE802.3, IEEE802.1Q (VLAN)
Physical Interface		RJ45 , Auto-MDIX
Working mode		Full duplex / half duplex adaptive
Telephone characteristics (p):(Optional)
FXS phone port	Ringing voltage		75V
	Ringing frequency		25HZ
	Second-line input impedance		600Ω (off-hook)
	Return loss		40 dB
General Specifications
Ambient temperature			-30 ℃ ~ 75 ℃
Storage temperature			-40 ℃ ~ 85 ℃
Relative humidity			0 ~ 95% (non-Condensing)
Size			Independent rack (485mm*198mm*45mm)
Rated supply voltage			AC220V / 50Hz
Bit error rate			≤10-9
Internal power consumption			1.5 W
MTBF			≥105 hours

Size	Independent rack (485mm*198mm*45mm)

24-Channel Video+1-Channel reverse RS485 data.doc