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Video Networking Products >
VPort 251
Remote Monitoring Solutions
Full motion, 1-channel MJPEG/MPEG4 video encoder
Introduction
Compress analog video/audio signals into MJPEG/MPEG4 ›
video stream
Video stream up to 30 frames/sec at full D1 (720 x 480)
›
resolution
2-way (1 in, 1 out) audio supported
›
Transparent PTZ Control for using legacy PTZ control panel or ›
keyboard
Loop-through power output for powering an analog camera
›
Free VPort SDK PLUS and 4-channel video surveillance ›
software
The VPort 251 is a high performance, 1-channel video encoder with
compact form factor that is suitable for installation in a variety of
locations, including outdoor camera cabinets. To make installation
easier, the VPort 251 supports both panel mounting and DIN-Rail
mounting (with DK-35A accessory), and 1 loop-through power output
for powering an analog camera. In addition, the VPort 251 provides
up to full D1, full frame rate video performance (NTSC: 720 x 480 up
to 30 FPS; PAL: 720 x 576 up to 25 FPS) and supports both MPEG4
or MJPEG, making it especially well suited for use with distributed
video surveillance systems. A 2-way audio function is also provided
for the convenience of real-time communication between system
administrators located at the central site, and engineers in the field.
Specifications
Video
Video Compression: MJPEG, MPEG4 (ISO/IEC 14496-2)
Video Inputs: 1, BNC connector
NTSC/PAL: Auto-sensing or manual
Video Resolution and FPS (frames per second):
NTSC PAL
Size Max. FPS Size Max. FPS
QVGA
320 x 240 30 320 x 288 25
CIF
352 x 240 30 352 x 288 25
VGA
640 x 480 30
640 x 576
25
4CIF
704 x 480 30 704 x 576 25
Full D1
720 x 480 30 720 x 576 25
Video Viewing:
Adjustable image size and qualityUÊ
Timestamp and text overlayUÊ
Audio
Audio Input: 1 Line-in or Mic-in
Audio Output: 1 Line-out
Network
Protocols: TCP, UDP, HTTP, SMTP, FTP, Telnet, NTP, DNS, DHCP, UPnP,
RTP, RTSP, ICMP, IGMPv3,QoS, DDNS, SNMPv3
Ethernet: 1 RJ45 port, 10/100BaseT(X) auto negotiation
Serial Port
PTZ Port: 1, RS-232 or RS-422/485 terminal block connector, maximum
baudrate of 115.2 Kbps
Console Port: 1 RS-232 RJ45 port
GPIO
Digital Input: 1, max. 8 mA
“High”: +13V to +30V
“Low”: -30V to +3V
Relay Output: 1 (max. 24 VDC @ 1A)
LED Indicators
STAT: Indicates if the system boots properly or not
VIDEO: Video input signal active
PTZ: PTZ control signal active
Physical Characteristics
Dimensions (W x H x D): 107 x 110 x 50 mm (4.21 x 4.33 x 1.96 in.)
Weight: 850 g
Installation: Wall (Panel) mounting, DIN-Rail mounting (optional kit)
Power Requirements
Input: 12/24 VDC or 24 VAC power input
Output: 2-pin terminal block connector for loop-through from power input
Power Consumption: Max. 7.5W
VPort 251
The certification logos shown here apply to some or all of the products in this
section. Please see the Specifications section or Moxa’s website for details.
(30 paginas)
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