Link electronics PAF-821 Manual de usuario

800 SERIES

MADE IN THE USA

LINK ELECTRONICS, INC.

8X2 STEREO AUDIO FOLLOW, RS-232/485

MODEL PAF-821

FEATURES

8 Inputs X2

Digital Switching

Balanced Differential

One Rack Unit Cabinet

Output Impedance, 66Ω

RS-232, RS-422, RS-485

The PAF-821 is a professional stereo audio follow

switcher for its video companion. The high

impedance balanced input circuits reduce loading

effectsandnoiseontheincomingsignals.Thelow

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.

There are no push buttons on the front panel as

the PAF-821 gets its control functions from the

VSWseriesswitchers orRS-232fromacomputer.

Multiple switchers can be controlled by a single

remotecontrolpanel, PSRseries.ThePAF-821is

RS-232controlledandremotecontrolisRS-422or

RS-485 via an RJ11 telephone connector and

cable assembly.

ThePAF-821isthestereoaudiofollowcompanion

switcher for the VSW-822 video switche. With

digital switching logic combined with high

performance audio circuitry this forms the

foundation for the next generation of audio routing

switchers. All VSW, ASW, PAF and PSR series

units occupies on rack space. Each unit includes

a power supply for reliable operation.

LINKELECTRONICS, INC. 2137 Rust Avenue Cape Girardeau, MO 63703-7668

Phone 573 334 4433 FAX 573 334 9255

PAF-821 8 X 2 STEREO FOLLOW SWITCHER

SPECIFICATIONS

INPUTS:

Number: ............................................................ Eight(8),Stereo

Impedance: ........................................................... 20KΩ, Looping

Configuration: .....................................................BalancedDifferential

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

OUTPUTS:

Number: ................................................One (1).Foreachsourcegroup

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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