VCX-2401-E Installation and Operating Instructions
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Introduction
The model VCX-2401-E is the stand-alone MPEG-2/JPEG version of the VCX family
and is housed in a 19-inch 1U rack mount case with a display, control port and a universal AC
power supply. The configuration of the VCX-2401-E-H is akin to desktop like devices being 1U
high but only 8.5 inches wide. The model VCX-2401–E-R is a rack mounted card only used in
the 4U 19-inch rack unit. See Accessories R-12.
The VCX Digital Video transport system consists of the video encoder and a decoder.
These will make up an encoder/decoder pair providing the capability for one-way end-end
transmission of the compressed digital video stream in one of three formats. The two formats are
MPEG2 standard ISO/IEC 13818-2 and JPEG standard ISO 10918-1. The transportation process
is performed by transmitting and receiving IP packets at data rates in the 64kbps to 4.0 Mbps
range. The encoding-decoding process is applied to an NTSC (or PAL) video input, selected in
software.
The video encoder converts the Analog Video to a Serial Digital signal, which is
multiplexed with any data sub-channels present. The stream is then formatted into a series of IP
packets sent to the network through a standard Ethernet connection.
Modification of video format and resolution, data sub-channel characteristics, and basic
IP parameters is achieved through one of the following means:
a)
Terminal Program
b)
Telnet through the Ethernet connection
c)
Watchdog CCS
d)
SNMP
e)
Web Interface
The video decoder receives the IP packets, separates the video data from the data sub-
channels, and converts the video data to analog form, providing an NTSC (or PAL) output.
The units feature two bi-directional data sub-channels (support for RS-232 or RS-422)
and a separate front-panel terminal port. Sub-channel information is removed from the video
stream by the encoder thus completing the control link back to the decoder that is supplying the
pan-tilt-zoom commands.