
RACK-UP®SERIES
Model RU-VSX4
4-Input Video Switcher
TYPICAL PERFORMANCE
Input Impedance: 5 kΩBridging 75 ΩLine
Gain: Unity, 75 Ωterminated Input; 75 Ωterminated Output
Load Impedance: 75 Ω
Outputs (5): 4 Loop Out from Input Signals; 1 Amplified OUTPUT
Operating Signal Level: 0.5 to 1 V p-p
Frequency Response: 10 Hz to 10 MHz (+/- 0.35 dB)
Noise: < -70 dB below 1 V p-p
Crosstalk: < -55 dB
Off Attenuation: > 65 dB
Differential Gain: 0.1%
Differential Phase: 0.3 degree
Connector Type: BNC, gold plated
External Control Inputs: Electronic or mechanical closure to ground, 1 mA
External Control Outputs (4): 50 mA, Open-collector to Ground
Power Requirement: 24 to 33 Vdc @ 110 mA, Ground-referenced
Installation/Operation
EN55103-1 E1-E5; EN55103-2 E1-E4
Typical Performance reflects product at publication time
exclusive of EMC data, if any, supplied with product.
Specifications are subject to change without notice.
891-3060I
Radio Design Labs Technical Support Centers
U.S.A. (800) 933-1780, (928) 778-3554; Fax: (928) 778-3506
Europe [NH Amsterdam] (++31) 20-6238 983; Fax: (++31) 20-6225-287
OPTIONAL MOMENTARY REMOTE CONTROL CONNECTIONS
1
RDL MADE IN U.S.A. 24 VDC
4321CONTROL OUTPUTS
VIDEO OUT
INPUT LOOP OUT
2
3 4
INPUT LOOP OUT
INPUT LOOP OUT INPUT LOOP OUT OFF 4321
BETWEEN REMOTE AND RU-VSX4
GROUND MUST BE CONNECTED
1
RDL MADE IN U.S.A. 24 VDC
4321CONTROL OUTPUTS
VIDEO OUT
INPUT LOOP OUT
2
3 4
INPUT LOOP OUT
INPUT LOOP OUT INPUT LOOP OUT OFF 4321
INPUT AND OUTPUT VIDEO SIGNALS MUST BE 75 OHM TERMINATED
AUDIO FOLLOW VIDEO WIRING USING RDL RU-SX4A AUDIO SWITCHER
POWER
24 VDC
SOURCE
RU-SX4A
OR OPEN COLLECTOR TRANSISTOR
CONTROL MAY USE SWITCH
SHOWN CONNECTED TO CHANNEL 1
INPUT
VIDEO
75OHM
OTHER
SIGNAL
VIDEO
SOURCE
SIGNAL
FROM
CONTROL INPUTS
TO
REMOTE
RDL
1
OUTPUTS
RC4-RU
2
3
4
24Vdc
CONTROL
FROM
SIGNAL
VIDEO
SOURCE TERM
75OHM
CONTROL INPUTS
JUMPER
OPTIONAL
JUMPER
OUTPUT
SIGNAL
75 OHM
NOTE: This equipment has been tested and found to
comply with the limits for a Class B digital device, pursuant
to part 15 of the FCC Rule. These limits are designed to
provide reasonable protection against harmful interference
in a residential installation. The equipment generates,
uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions,
may cause harmful interference to radio communications.
However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception,
which can be determined by turning the equipment off an
on, the user is encouraged to try to correct the
interference by one or more of the following measures:
•Reorient or relocate the receiving antenna
•Increase the separation between the equipment
and receiver
•Connect the equipment into an outlet on a circuit
different from that which the receiver is
connected.
•Consult the dealer or an experienced radio/TV
technician for hel
.