LINK ELECTRONICS, INC.
8 INPUT STEREO AUDIO FOLLOW, RS-232/485
MODEL PAF-820
MADE IN THE USA
FEATURES
8 Inputs
Digital Switching
Balanced Differential
One Rack Unit Cabinet
Output Impedance, 66Ω
RS-232, RS-422, RS-485
800 SERIES
The PAF-820 is a professional stereo audio follow
switcher for the video companion. The high
impedance balanced input circuits reduce loading
effects and noise on the incoming signals. The low
output impedance of 66Ω provides a maximum
level of +24dBu. The input and output connections
are printed circuit spring terminal blocks. The
terminal blocks provide reliable clamping action for
secure and reliable operation due to a force
amplifying hinge motion.
A nine pin female D connector provides serial
interface to computer or modem for RS-232 control
which is standard in all units. The switcher is
available in other models for stereo, mono or four
channel operation.
The RJ-11 telephone connector allows several
audio follow units to operate in tandem, so several
levels of audio may be achieved.
Multiple switchers can be controlled by a single
remote control panel, PSR series. The PAF-820 is
RS-232 controlled and remote control is RS-422 or
RS-485 via an RJ11 telephone connector and
cable assembly.
The ASW-820 will operate as a stereo audio follow
unit or as a stand-alone audio switcher. The
switcher incorporates digital switching logic and
high performance audio circuitry that forms the
foundation for excellent reliability. All VSW, ASW,
PAF and PSR series units occupies on rack space.
The PAF-820 will operate with the PSR-824
remote control and the VSW-821 video switcher.
Several PSR-824 remotes may be attached to
PAF-820 for controlling from many locations. All
remote locations may select the audio source
signal
LINK ELECTRONICS, INC. 2137 Rust Avenue Cape Girardeau, MO 63703-7668
Phone 573 334 4433
FAX 573 334 9255
PAF-820 8 X 1 STEREO FOLLOW SWITCHER
SPECIFICATIONS
INPUTS:
Number: ............................................................ Eight (8), Stereo
Impedance: ........................................................... 20KΩ, Looping
Configuration: .....................................................Balanced Differential
Max Level:.................................................................. +24dBu
OUTPUTS:
Number: ................................................................... Two (2)
Level:...................................................................... +24dBu
Impedance: ............................................................... 66Ω ± 5%
Frequency Response: ............................................±0.02dB, 20Hz to 20KHz
Insertion Gain:...............................................................±0.05dB
Slew Rate:...........................................................>30V/µ Balanced
Signal-to-Noise: ................................................... >100dB A Wtd +8dBu
THD: ............................................................. <0.004% @ 20KHz
Crosstalk: ............................................................ 95dB @ 20KHz
Output DC Offset: .............................................................<10mV
Common Mode Rejection: ............................................... >80dB @ 20KHz
Output Isolation: ..................................................... >100dB @ 20KHz
ENVIRONMENTAL:
Temperature:........................................................ 0 to 50 C ambient
Humidity: ................................................... 0% to 90% non-condensing
POWER:
Input: ............................................................. 120/240 VAC±10%
Power:......................................................................7 watts
MECHANICAL:
Height:.................................................................. 1.75 Inches
Width: ....................................................................19 Inches
Depth: ................................................................... 8.7 Inches
Weight: .................................................................... 6.5 Lbs.
LINK ELECTRONICS, INC.
2137 Rust Avenue
Cape Girardeau, MO 63703
Phone: 573 334 4433
FAX: 573 334 9255
PROFESSIONAL SERIES-stand-alone system products--by
LINK
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