1.1Video interface characteristics
1.1.1Composite video signal
Video system:NTSC(525/60),PAL(625/50)(optional)
Connector:BNC
Impedance:75W ,unbalance
Frequency:25Hz～5.75MHz
Level:1.0Vp-p
Quantization:12bits,subject to CCIR-601
Sampling frequency:27MHz
1.1.2S-Video/YPbPr
Connector:Mini-DIN 4
Impedance:75W,unbalance
Y signal level:1.0Vp-p
Y signal frequency:25Hz～5.75MHz
C signal level:0.285Vp-p
C signal frequency:25Hz～2.75MHz
Quantization:12bits(Y),12bits(C),subject to CCIR-601
Sampling frequency:54MHz
1.1.3HDMI digital interface (optional)
Video standard: Subject to HDMI v 1.3
Video standard: Subject to HDMI 1.3, S/PDIF (IEC90658) compatible
1.1.4SDI (series data interfaces, optional)
Connector:BNC
Impedance:75W?
Standard:Subject to SMPTE 259/292M protocol
1.2Audio interface characteristics
1.2.1Analogue audio signal
Connector:BNC (unbalance) and XLR (balance)
Impedance:600W ,balance or unbalance
Input:One way stereo or two ways independent mono-channel audio signals
Output rate:64kbps～384 kbps
Quantization:16bits
Sampling frequency:48kHz,
1.3 MPEG-2 TS input interface
Interface characteristic: meets DVB ASI standard
Connector:BNC
Impedance:75Ω
packet format:188bit
data rate:270Mbps
1.4 H.264Video code compressing
1.4.1. Video
?.Meeting ISO/IEC14496-10(H.264/AVC)
?.Output rate:0.5-20Mbps
?.Support VBR/CBR coding
1.4.2 Audio
The audio coding standard adopts ISO/IEC11172-3.
1.4.3 Format
DVB standard based TS,PS(program stream) can be selected
1.5 Video Format
Code:525i, 625i,720(60P),720(50P),1080(50I),1080(60I)
Transcode:525i,625i,720(60P),720(50P),1080(50I),1080(60I)
1.6 Digital interfaces
DVB based ASI interfaces can be used.
1.6.1 DVB ASI output interface
Interface characteristics: DVB ASI standard
Connector:BNC
Impedance:75Ω
Packet format:188 bytes
Data rate:1-30Mbps
1.7 IP data interface (optional)
Interface characteristic : IP output interface(100M)
Protocol:UDP
1.8 Status control
Video input signal selection.
Composite video,S-Video,YpbPr HDMI and SDI
1.9Network management interface
Ethernet interface:IEEE802.3 Ethernet,RJ45 interface.
Software protocol:SNMP protocol
1.10Power off status saving
The encoder can save power off status, so it can automatically restart when power supply is ready again.
1.11 Power supply
Voltage.. .90V～250VAC
Frequency....50Hz±2%
Power consumption 20W
1.12 Operating Environment
Operation temperature..＋5°C～45°C
Storage temperature...－25°C～+55°C
Relative humidity 10～75%
1.13Radiation and Safety standards
Meeting GB13837-92 and GB8898-88
1.14 Mechanic characteristics
Dimension: 44.5 mm(1U)×483mm(19″)×300mm