Link electronic Switch PSR 821 User Manual

800 SERIES  
LINK ELECTRONICS, INC.  
REMOTE COMTROL FOR AUDIO & VIDEO SWITCHER  
SERIAL CONTROL, 8X2  
MODEL PSR-821  
FEATURES  
FEATURES  
Serial Controlled  
Remote Via RJ-11  
Digital Switching  
One Rack Unit Cabinet  
7 Seg LED Reads Source #  
Convenient Operation  
The LINK PSR-800 Series Remote Control panels  
allow the user to control and monitor the LINK 800  
Series Video and Audio switchers. The PSR-822 is  
a 8X2 controller. Each remote control panel has an  
RS-232 serial port allowing it to be interfaced with  
a computer. Communications to and from the  
switchers themselves is handled via an RS-485  
compatible serial link, using an RJ-11 modular jack.  
The PSR-821 is the remote control for the VSW-822  
video swither, 8X2 matrix. Active channels are  
indicated by front panel seven-segment displays. An  
RS-232-C port is available for communication with a  
personal computer or modem. Serial commands are  
easy to use and remember. If audio-follow-video  
switching is required, LINK Electronics offers the PAF-  
800 family of high- performance stereo audio switchers  
to accompany the PSR/VSW-800 series. Each LINK  
800 Series switcher features "audio break-away"  
capability, allowing the audio to be switched  
independently of the video.  
This unique combination provides a reliable link  
over long distances (>1000 Feet) with inexpensive,  
readily available cable. Active video and audio  
channels are indicated by a pair of seven-segment  
displays. A front panel toggle switch provides audio  
and video "break- away".  
If desired, a video switcher may even be controlled  
from the front panel of the audio switcher. An RS-232  
port is available on the audio switchers as well. Like  
their video counterparts, the audio switchers may also  
function in dual 8X1 mode.  
The LINK VSW-800 Series of vertical-interval video  
switchers are designed to offer high performance,  
reliability, and flexibility. Sixteen or eight looping  
video inputs (depending on model) and two outputs  
are available, using true 75 Ohm BNCs. If desired,  
customers may order 800 Series switchers with the  
internal video signal bus divided in half, effectively  
giving them two independent 8X1 switchers in one  
box.  
The LINK 800 Series switchers are packaged in a  
tough one R.U. chassis and backed by LINK'S standard  
10-year warranty. The Remote Control features  
reduced depth to allow it to be mounted in a table or  
desk-top.  
LINK  
ELECTRONICS, INC. 2137 Rust Avenue Cape Girardeau, MO 63703-7668  
Phone 573 334 4433 FAX 573 334 9255  
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