AMX Switch AV2SM User Manual

instruction manual  
AV2SM  
A/V Switcher  
Control System Accessories  
 
AMX Limited Warranty and Disclaimer  
AMX Corporation warrants its products to be free of defects in material and workmanship under normal use for  
three (3) years from the date of purchase from AMX Corporation, with the following exceptions:  
Electroluminescent and LCD Control Panels are warranted for three (3) years, except for the display and touch  
overlay components that are warranted for a period of one (1) year.  
Disk drive mechanisms, pan/tilt heads, power supplies, MX Series products, and KC Series products are  
warranted for a period of one (1) year.  
Unless otherwise specified, OEM and custom products are warranted for a period of one (1) year.  
Software is warranted for a period of ninety (90) days.  
Batteries and incandescent lamps are not covered under the warranty.  
This warranty extends only to products purchased directly from AMX Corporation or an Authorized AMX Dealer.  
AMX Corporation is not liable for any damages caused by its products or for the failure of its products to perform.  
This includes any lost profits, lost savings, incidental damages, or consequential damages. AMX Corporation is not  
liable for any claim made by a third party or by an AMX Dealer for a third party.  
This limitation of liability applies whether damages are sought, or a claim is made, under this warranty or as a tort  
claim (including negligence and strict product liability), a contract claim, or any other claim. This limitation of  
liability cannot be waived or amended by any person. This limitation of liability will be effective even if AMX  
Corporation or an authorized representative of AMX Corporation has been advised of the possibility of any such  
damages. This limitation of liability, however, will not apply to claims for personal injury.  
Some states do not allow a limitation of how long an implied warranty last. Some states do not allow the limitation or  
exclusion of incidental or consequential damages for consumer products. In such states, the limitation or exclusion of  
the Limited Warranty may not apply. This Limited Warranty gives the owner specific legal rights. The owner may  
also have other rights that vary from state to state. The owner is advised to consult applicable state laws for full  
determination of rights.  
EXCEPT AS EXPRESSLY SET FORTH IN THIS WARRANTY, AMX CORPORATION MAKES NO  
OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF  
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. AMX CORPORATION  
EXPRESSLY DISCLAIMS ALL WARRANTIES NOT STATED IN THIS LIMITED WARRANTY. ANY  
IMPLIED WARRANTIES THAT MAY BE IMPOSED BY LAW ARE LIMITED TO THE TERMS OF THIS  
LIMITED WARRANTY.  
 
Table of Contents  
ii  
AV2SM A/V Switcher  
 
Product Information  
Product Information  
The AV2SM A/V Switcher is a media interface device you can set to automatically or manually  
switch between two A/V input sources, outputting to a display monitor connected to the front  
panel.  
OUTPUT  
12 VDC  
VIDEO  
AUDIO  
Front  
12 VDC  
power supply  
connector  
VIDEO OUTPUT  
connector  
AUDIO OUTPUT  
connector  
VIDEO A and B INPUT  
connectors  
INPUT A  
AUDIO  
INPUT B  
VIDEO  
VIDEO  
AUDIO  
Rear  
AUDIO A and B INPUT  
connectors  
FIG. 1 Front and rear panel components of the AV2SM A/V Switcher  
Specifications  
Specifications  
Dimensions (HWD)  
Weight  
1.65" x 5.09" x 6.09" (4.19 cm x 12.93 cm x 15.47 cm)  
10.09 oz (286.05 g)  
Power Consumption  
Bandwidth  
4.8 W maximum  
Video - 8 MHz  
Audio - 30 Hz to 20 kHz  
Video Sync Sense - 15.75 kHz  
Sensing - 1 kHz to 3 MHz (300 mVrms minimum and 3 MHz to 20 MHz)  
(700 mVrms minimum)  
Front Panel:  
VIDEO OUTPUT  
AUDIO OUTPUT  
12 VDC  
BNC female connector  
4-pin cable jack  
2-pin 12 VDC connector @ 40 mA maximum for external power supply.  
The AV2SM can also be powered from an Axcess Central Controller.  
1
AV2SM A/V Switcher  
 
   
Product Information  
Specifications (Cont.)  
Rear Panel:  
INPUT A VIDEO  
INPUT A AUDIO  
INPUT B VIDEO  
INPUT B AUDIO  
BNC female connector  
6-pin cable jack, audio and control input  
BNC female connector  
4-pin cable jack  
Captive-wire screw terminals Allows stereo (unbalanced) line-level audio  
Switching Modes:  
Automatic  
AV2SM switches to the A source; if no input is detected the AV2SM automat-  
ically switches to the B source. If both A and B sources are present, the  
default is the A source.  
Manual  
AV2SM determines which source to use based on the state of the SELECT  
pin on the rear panel.  
Enclosure  
Molded black matte plastic  
Two 4-pin cable connectors  
• One 6-pin cable connector  
• One 2-pin power connector  
AC-RK Accessory Rack Kit  
Included Accessories  
Optional Accessories  
2
AV2SM A/V Switcher  
 
Installation  
Installation  
You can install the AV2SM on any flat surface that has unobstructed access to both the front and  
rear panel connectors.  
Automatic and Manual Switching Mode Settings  
You can select the switching mode by setting two internal jumpers on the circuit card inside the  
enclosure. You will need a Phillips screwdriver to open the enclosure. To set the switching mode:  
1. Discharge the static electricity from your body and screwdriver.  
2. Unplug all connectors from the front and rear panel of the AV2SM.  
3. Turn the enclosure upside down and remove the two Phillips-head screws.  
4. Pull the enclosure apart and turn the bottom half, containing the circuit card, right-side up.  
5. Choose the desired switching mode:  
For automatic mode (FIG. 2), place the 2-pin jumper on the E1 connector pin’s one and  
two. Repeat for the E2 connector.  
E1  
E2  
2
AUTO  
MAN.
FIG. 2 Automatic mode settings  
For manual mode (FIG. 3), place the 2-pin jumper on the E1 connector pin’s 2 and 3.  
Repeat for the E2 connector.  
E1  
E1  
E2  
AUTO  
2
MAN.  
FIG. 3 Manual mode settings  
3
AV2SM A/V Switcher  
 
   
Installation  
Wiring Guidelines  
The maximum wiring distance between the Central Controller and the AV2SM is determined by  
power consumption, supplied voltage, and the wire gauge used for the cable. The maximum wiring  
lengths for using AXlink power are based on a minimum of 13.5 volts available at the Central  
Controller’s power supply. The maximum lengths allowable between the AV2SM and the Central  
Controller are as follows:  
Wiring Guidelines  
Wiring size Maximum wiring length  
18  
20  
22  
24  
1805.7 ft (550.37 m)  
1142.4 ft (382.20 m)  
712.2 ft (217.07 m)  
448.9 ft (136.82 m)  
Preparing captive wires  
1. Strip 0.25 inch of wire insulation off all wires.  
2. Insert each wire into the appropriate opening on the connector according to the wiring  
diagrams and connector types described in this section.  
3. Tighten the screws to secure the wire in the connector. Do not tighten the screws excessively;  
doing so may strip the threads and damage the connector.  
Video output connector  
Connect your output display monitor to the VIDEO connector on the front panel using FIG. 4.  
Video Cable  
AV2SM video  
output  
Output  
display  
connector  
(female)  
monitor  
connector  
(female)  
BNC connectors (male)  
FIG. 4 VIDEO OUTPUT wiring diagram  
4
AV2SM A/V Switcher  
 
     
Installation  
Audio output connector  
Connect your output display monitor to the Audio connector on the front panel using FIG. 5.  
LEFT  
GND  
LEFT  
GND  
Audio source  
output  
GND  
GND  
RIGHT  
RIGHT  
AV2SM AUDIO  
INPUT connector  
FIG. 5 AUDIO OUTPUT wiring diagram  
Video A and B input connectors  
Connect your Video Output source to the Input A and B Video connector on the rear panel using  
FIG. 6.  
Video Cable  
AV2SM video  
input A and B  
connectors  
(female)  
Video input  
source  
connector  
(female)  
BNC connectors (male)  
FIG. 6 VIDEO INPUT A and B wiring diagram  
Audio A and B Input connectors  
Connect the two Audio Output sources to the Input A and B Audio connectors, FIG. 7 illustrates  
the automatic switching mode; FIG. 8 shows the wiring for manual switching mode. When you use  
manual switching mode, the Select pin (rear panel) is taken low to select the B source and high to  
select the A source. A low can be an external relay closure or a voltage level from 0 VDC to 0.8  
VDC. A high can be an open set of contacts or a voltage level from 3.3 VDC to 12.0 VDC.  
LEFT  
LEFT  
GND  
SELECT  
LEFT  
GND  
Output  
(audio source)  
GND  
GND  
RIGHT  
GND  
RIGHT  
GND  
AV2SM  
AUDIO INPUT A  
LEFT  
LEFT  
GND  
GND  
Output  
(audio source)  
GND  
GND  
RIGHT  
RIGHT  
AV2SM  
AUDIO INPUT A  
FIG. 7 AUDIO INPUT A and B wiring diagram for automatic switching mode  
5
AV2SM A/V Switcher  
 
     
Installation  
SELECT  
SELECT  
GND  
External  
relay  
closure  
LEFT  
GND  
LEFT  
GND  
Output  
(audio  
source)  
GND  
RIGHT  
GND  
GND  
RIGHT  
AV2SM  
AUDIO INPUT A  
LEFT  
LEFT  
GND  
GND  
Output  
(audio source)  
GND  
GND  
RIGHT  
RIGHT  
AV2SM  
AUDIO INPUT B  
FIG. 8 AUDIO INPUT A and B wiring diagram for manual switching mode  
6
AV2SM A/V Switcher  
 
Installation  
7
AV2SM A/V Switcher  
 
AMX reserves the right to alter specifications without notice at any time.  
brussels • dallas • los angeles • mexico city • philadelphia • shanghai • singapore • tampa • toronto • york  
3000 research drive, richardson, TX 75082 USA • 469.624.8000 • 800.222.0193 • fax 469.624.7153 • technical support 800.932.6993  
 

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