Link electronics PAF-820 Manuel utilisateur

800 SERIES

MADE IN THE USA

LINK ELECTRONICS, INC.

8 INPUT STEREO AUDIO FOLLOW, RS-232/485

MODEL PAF-820

FEATURES

8 Inputs

Digital Switching

Balanced Differential

One Rack Unit Cabinet

Output Impedance, 66Ω

RS-232, RS-422, RS-485

The PAF-820 is a professional stereo audio follow

switcher for the video companion. The high

impedance balanced input circuits reduce loading

effectsandnoiseontheincoming signals. The low

output impedance of 66Ωprovides a maximum

levelof+24dBu. The input and output connections

are printed circuit spring terminal blocks. The

terminalblocksprovidereliableclampingactionfor

secure and reliable operation due to a force

amplifying hinge motion.

A nine pin female D connector provides serial

interfacetocomputerormodemforRS-232control

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

remotecontrolpanel, PSRseries.ThePAF-820is

RS-232controlledandremotecontrolisRS-422or

RS-485 via an RJ11 telephone connector and

cable assembly.

TheASW-820will operate asastereoaudiofollow

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,

PAFandPSRseriesunitsoccupiesonrackspace.

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

LINKELECTRONICS, 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: .....................................................BalancedDifferential

MaxLevel:.................................................................. +24dBu

OUTPUTS:

Number: ................................................................... Two(2)

Level:...................................................................... +24dBu

Impedance: ............................................................... 66Ω± 5%

Frequency Response: ............................................±0.02dB, 20Hz to 20KHz

InsertionGain:...............................................................±0.05dB

SlewRate:...........................................................>30V/µBalanced

Signal-to-Noise: ................................................... >100dB A Wtd +8dBu

THD: ............................................................. <0.004% @ 20KHz

Crosstalk: ............................................................ 95dB @ 20KHz

Output DC Offset: .............................................................<10mV

Common Mode Rejection: ............................................... >80dB @ 20KHz

OutputIsolation: ..................................................... >100dB @ 20KHz

ENVIRONMENTAL:

Temperature:........................................................ 0to50Cambient

Humidity: ................................................... 0%to90%non-condensing

POWER:

Input: ............................................................. 120/240 VAC±10%

Power:......................................................................7watts

MECHANICAL:

Height:.................................................................. 1.75Inches

Width: ....................................................................19Inches

Depth: ................................................................... 8.7Inches

Weight: .................................................................... 6.5Lbs.

LINKELECTRONICS, 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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