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PAS v2

Priority Audio Switch

User’s Guide

Version 2, Revision C

Revised Nov 25, 2019

Version 2.0c

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Содержание PAS v2

Страница 1: ...PAS v2 Priority Audio Switch User s Guide Version 2 Revision C Revised Nov 25 2019 Version 2 0c...

Страница 2: ...nection Pin outs 7 Revision A B RJ45 Pin Assignments 8 Connection details 8 Chapter 4 Operation 10 Common Uses 10 Operation Details 10 Cascaded PAS 11 Indicator LED s 11 Chapter 5 Troubleshooting 12 H...

Страница 3: ...n a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference t...

Страница 4: ...n its PTT lead is shorted to ground otherwise the Secondary ports audio channel and PTT state are passed through to the output port The PAS contains two completely isolated instances of the priority s...

Страница 5: ...ports are paired with each audio output port Controls There are no user software controls The unit is operational upon power application Environmental Operation 25 C to 65 C non condensing humidity P...

Страница 6: ...mitter or used independently with two inputs to each of two transmitters It is usually installed at a transmitter site to allow automatic operation by multiple control operators of the transmitter All...

Страница 7: ...Chapter 3 Connectors Power Connector Green screw connector numbered right to left Pin 1 48 VDC Pin 2 Chassis ground Pin 3 48 VDC 6...

Страница 8: ...T signals when PRIMARY PTT input is OPEN and SHORTED to GND PRIMARY RJ45 RJ45 OUTPUT PRI PTT E1 Open OUTPUT PRI PTT E1 GND Audio In R1 1 1 Audio Out R2 Audio Out R1 Audio In T1 2 2 Audio Out T2 Audio...

Страница 9: ...oop channel bank E M card LEM to the priority and or secondary ports of the PAS configure the LEM to operate in B Side mode and connect with the proper RJ45 cable To connect to a LEM on the output sid...

Страница 10: ...d E M devices can be made by following the directions of the signals in the chart above to connect to your device Remember that the PAS input ports can only use closure to ground to detect PTT and the...

Страница 11: ...udio input from the OUT port to flow back to the PRIORITY and SECONDARY port OUT pins 8 and 7 are also always bridged to both PRIORITY and SECONDARY input pins 8 and 7 This is allows M and SB MB leads...

Страница 12: ...4 of this port is grounded Port 1 PRIORITY has the next highest precedence and will assert audio control if pin 4 of this port is grounded and port 2 PRIORITY is not Port 1 SECONDARY will the the defa...

Страница 13: ...sistance Hardware Problems Before anything else check that all cables are wired correctly and properly connected and make sure you have proper grounding for all equipment Since this is a specialty dev...

Страница 14: ...n One 48 VDC power port Two RJ 45 input connectors for each channel total of 4 One RJ 45 output connector for each channel total of 2 Environmental Operation 25 C to 65 C C non condensing humidity Dim...

Страница 15: ...is exclusive of abuse misuse accidental damage acts of God or consequential damages etc DCB liability shall not exceed the original purchase price All equipment returned for repair must be accompanied...

Страница 16: ...Specifications Appendix C Schematic Revision C Reference Schematic 15...

Страница 17: ...e used to mount either 1 or 3 PAS units in a 1U 19 inch rack space Order part number 9902095 to hold 3 PAS and 9902096 for single unit An AC to DC adapter for a single unit 300mA is available as part...

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