Telex TV Antenna ACS 101 User Manual

®
Telex  
TELEX COMMUNICATIONS, INC. 12000 Portland Ave. South, Burnsville, MN 55337  
ACS-101  
Instruction Sheet  
General Description  
AMPLIFIED BROADBAND UHF  
COMBINER-SPLITTER  
PN 803984  
The ACS-101 (Antenna Combiner Splitter 10 to 1) is an  
amplified and filtered broadband splitter-combiner. It  
allows up to 10 base stations to use only one transmit  
and one receive antenna.  
The antenna splitter section has broadband input fil-  
tering and amplification to maintain signal levels  
through the splitters. High output isolation between  
ports is also achieved.  
The antenna combiner section contains innovative  
hybrid coupling, amplifying and matching technol-  
ogy to combine 10 transmitters to 1 output with  
very low intermod distortion.  
The industrial strength power supply of the ACS-101  
supplies voltage and current to two outputs on the prod-  
uct. Each output can supply up to 5 Amps at 12 VDC.  
SPECIFICATIONS  
Overall  
Antenna Connectors .........................................................................................................................Standard TNC Receptacles  
AC Input Power .......................................................................................................................100 - 120 VAC, 60 Hz, 6A max  
AC Input Fuse................................................................................................................................................10 A, 250 V, 3AG  
DC Output Power.........................................................................................................................12 VDC, 5 A for each output  
DC Output Jacks...........................................................................................................................Two, 5.5mm x 2.1 mm Jacks  
DC Output Fuses..............................................................................................................................5 A, 250 V, 5mm x 20 mm  
Size ...................................................................................H: 3.50" (88.9 mm) x W: 16.75" (426 mm) x D: 14.63" (372 mm)  
Weight....................................................................................................................................................10 lbs., 4 oz., (4.65 kg)  
Antenna Splitter  
Frequency Range ................................................................................................................................................614 - 746 MHz  
Output IP3..................................................................................................................................................Greater than 30 dBm  
Net Gain................................................................................................................................................................. 0 dB Typical  
Noise Figure .....................................................................................................................................................Less than 4.5 dB  
Minimum Isolation......................................................................................................................20 dB between adjacent ports.  
Greater than 20 dB between non-adjacent ports  
Antenna Combiner  
Frequency Range ................................................................................................................................................470 - 608 MHz  
Net Gain...........................................................................................................................................................0 dB (Maximum)  
Noise Figure..........................................................................................................................................................10 dB Typical  
Output IP3.......................................................................................................-55 dBc @ + 17 dBm input on each transmitter  
ACS-101 Product Features:  
Ideal for use with BTR-1, BTR-500, BTR-600, BTR-700 wireless intercom systems.  
·
Two power outputs to supply up to 10 transceivers (5 on each daisy-chain run)  
which makes large systems easier to implement.  
·
Standard IEC 320 power input connector  
·
·
115 VAC or 230 VAC operation  
High-Quality TNC connectors for consistent impedance across the entire frequency range.  
·
·
Rack mount brackets included for 19" (482.6 mm) rack  
-1-  
 
System Configuration  
Figure 4 illustrates the typical system configuration  
using the ACS-101 to support 10 BTR-1 base stations.  
RECEIVE  
ANTENNA  
TRANSMITTER  
ANTENNA  
Tx  
Tx  
Rx  
Rx  
Power  
Power  
Tx  
Tx  
Rx  
Rx  
Power  
Power  
Tx  
Rx  
Tx  
Rx  
Power  
Power  
Tx  
Rx  
Tx  
Rx  
Power  
Power  
Tx  
Rx  
Tx  
Rx  
Power  
Power  
FUSE  
5A SLOW BLOW  
DC OUT  
12V 5A  
TRANSMIT  
ANTENNA  
TRANSMIT  
RECEIVE  
FUSE  
5A SLOW BLOW  
RECEIVE  
ANTENNA  
DC OUT  
12V 5A  
Figure 4  
System Configuration  
-3-  
 
Antenna Requirements  
The ACS-101 may be used with a variety of anten-  
nas. For best results, use a pair of ALP-450 direc-  
tional log periodic antennas (See Figure 5) or, the  
ALP-600 Bi-directional log periodic antenna (See  
Figure 6).  
When using 1/2 wave antennas, we recommend us-  
ing the higher frequency model when the receivers  
operate in more than one band. If the receivers are  
more than one band apart, such as yellow and  
white, we strongly recommend using the ALP-450,  
or ALP-600 depending on the application.  
Good results may also be obtained with 1/2 wave  
antennas (See Figure 7). All antennas are sold sepa-  
rately.  
Place the ACS-101 with antennas in a location that  
is in direct view of the beltpacks for best results.  
R
ex  
el  
T
ALP-450  
THIS END TOWARD TRANSMITTER  
Telex  
Figure 7  
1/2 Wave Antenna  
Figure 6  
ALP-600  
Figure 5  
ALP-450  
-4-  
 
Antenna Placement  
for Optimum Range and Rack Mounting  
Rack Mounting  
Rack mount brackets are supplied with the  
ACS-101. To attach the brackets, proceed as fol-  
lows:  
·
For maximum range and when rack mounting, the  
antennas must be remotely located.  
Align the rack mount bracket with the holes on  
the side of the unit. See Figure 8.  
·
The ALP-450 and ALP-600 antennas come com-  
plete with a variety of mounting hardware and 10  
feet (3 meters) of low loss coaxial cable. A combi-  
nation mounting bracket with 10 feet of coaxial ca-  
ble is available for 1/2 wave antennas (Model No.  
AB-2).  
Install flat head machine screws in two holes.  
·
Tighten securely. Repeat on the other side of the  
unit. For best alignment, perform the above  
steps while the unit and rack brackets are set-  
ting on a flat surface.  
Antennas should be placed in a location with a clear  
“signal path” to the beltpacks. This “path” should  
be as short and free of obstructions as possible. Ob-  
structions, such as walls ceilings, and metal objects,  
will reduce range and performance.  
Insert the unit into a 19" rack enclosure and in-  
sert four screws (not supplied) in each corner of  
the rack mount brackets and secure.  
·
Coax Cable  
For best results, it is recommended that cable losses  
be kept under 4 dB. (Every 3 dB of signal loss results  
in a system operating distance reduction of 25%.  
See the accessories section of this manual for spe-  
cial low loss cable assemblies.  
Figure 8  
Rack Mount Brackets  
-5-  
 
ACS-101 Accessories and Replacement Parts  
ALP-600  
ALP-450  
480-800 MHz Bi-Directional log periodic antenna  
Includes mounting hardware and 10 feet (3 meter)  
coaxial cable with TNC connectors  
450-900 MHz Log Periodic Antenna  
Includes mounting hardware and 10 feet (3 meter)  
coaxial cable with TNC connectors  
Order No. 71147000  
Order No. 878896  
R
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el  
T
ALP-450  
THIS END TOWARD TRANSMITTER  
Telex  
Low loss coaxial antenna cables with  
TNC connectors  
1/2 wave Antenna  
(CLA-X)  
Model  
Length  
Order No.  
CXU-10 10 Ft. (3 meter)  
690419  
CXU-25 25 Ft. (7.6 meter) 71151-025  
CXU-50 50 Ft. (15 meter) 71151-050  
CXU-75 75 Ft. (23 meter) 71151-075  
CXU-100 100 Ft.(30 meter) 71151-100  
Model No. Part No.  
Band Color  
Frequency  
TP-2 50 OHM/TNC dummy load  
(For unused outputs)  
Part No. 650095  
CLA-1  
CLA-2  
CLA-3  
CLA-4  
CLA-5  
CLA-6  
CLA-10 870658-10  
CLA-11 870658-11  
CLA-12 870658-12  
870658-1  
870658-2  
870658-3  
870658-4  
870658-5  
870658-6  
Blue  
Yellow  
Red  
White  
Green  
Orange  
Tan  
520-565 MHz  
565-615 MHz  
615-660 MHz  
660-690 MHz  
690-725 MHz  
725-760 MHz  
470-518 MHz  
515-548 MHz  
542-575 MHz  
AB-2  
Bracket for 1/2 wave Antenna with 10 ft. of coax  
Part No. 71138000  
Pink  
Brown  
MICROPHONE STAND  
MOUNTING  
PRINTED IN U.S.A.  
Copyright© 2004 by Telex  
TELEX COMMUNICATIONS, INC.  
All rights reserved  
July 2004  
-6-  
 

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