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of
each
and determines if
Switching System failure the 1985A will automatically select the second CPU (1995 or 1996) as
a
contains an audio
which will sound in the event of a CPU failure. The front panel contains
alert
input status and Supervisor/Controller Status. There are also two switches, one for over-riding the automatic selection of 1995 or 1996
controllers and the other for turning the audio
Model 1985A
Megapower CPU
Standby Switch
Installation Instructions
two
1995 or two 1996 Switching Systems. The 1985A reads the high speed data line
both are functioning normally. The 1985A will detect most Switching System failures. In the event of
on or off.
alert
controller.
the system
The
lights for CPU status, Keyboard
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Table of Contents
Related Manuals for American Dynamics AD1985A
Summary of Contents for American Dynamics AD1985A
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Page 1: Installation Instructions
The 1985A Standby Switch is for use with either both are functioning normally. The 1985A will detect most Switching System failures. In the event of each and determines if Switching System failure the 1985A will automatically select the second CPU (1995 or 1996) as contains an audio which will sound in the event of a CPU failure. - Page 2 AMERICAN DYNAMICS for from its use. No license is granted by implications or otherwise under any patent or patent rights of AMERICAN DYNAMICS. use; nor for any infringements of other rights of third parties which may result DYNAMICS. single system, and remains the property of...
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Page 3: Unpacking And Inspection
INSTALLATION AND SERVICE If you require information during installation of this product or i f service seems necessary, contact the American Dynamics Repair and Service Department (800) 442-2225. You must obtain a Return Authorization Number and shipping instructions before returning any product for service. -
Page 5: Installation
DESCRIPTION The 1985A Megapower Standby Switch allows two 1995 or 1996 CPUs to operate in tandem, where one CPU is the primary controlling CPU of the system and second is the backup CPU in stand-by mode. Operationally, all keyboard control input commands and the LAN output commands are routed through the 1985A and connected to the two 1995 or 1996 CPUs and the Video Matrix Switch. - Page 6 1985A MEGAPOWER CPU STANDBY SWITCH RS-232 Connector The RS-232 connector used all ports is an 8-pin telephone type connector (RJ45). The terminal box supplied with the telephone cables has the same pinout signals as the telephone connectors, Please see Tables 1 for the pinout of these connectors.
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Page 7: Alarm Connector
High Speed Control Code Line sets of three BNC connectors, located on the rear The two panel of the 1985A, are used to connect the high speed control code from the CPUs to the Video Switching System. (See Figure 2). Each 1995 and 1996 Series CPU contains two control code outputs. -
Page 8: Operation
1985A MEGAPOWER CPU STANDBY SWITCH SETUP All controls for the 1985A Standby Switch are located in the center of the unit’s front panel as shown in Figure CPU SELECT SWITCH This 3-position switch selects whether the CPU that will run the video system is to be selected automatically (middle position) or manually (by selecting CPUl or CPU2). - Page 9 APPENDIX...
- Page 10 APPENDIX A NOTE THESE CONNECTIONS ARE TYPICAL OF ONE SYSTEM KEYBOARD. TYPICAL SYSTEM CONNECTIONS 1678CM TO 1985 THREE CONDUCTOR S H E W E D BCLDON O R EQUVALH glro 1678CM TP8059 AD1 678TB VOLTS AC I S A M P...
- Page 11 APPENDIX B cpua CPUl NOTE :THESE CONNECTIONS ARE TYPICAL OF ONE SYSTEM KEYBOARD TYPICAL SYSTEM CONNECTIONS 1676 1676 TO 1985 TP8059 7.5 VOLTS AC 1.5 UI? ALARM...
- Page 12 APPENDIX C -BROWN NOTE THESE CONNECTIONS ARE l W l C A L OF ONE ALARM INTERFACE UNIT. EACH RS232 PORT IS PROGRAMMABLE TYPICAL SYSTE 1696 T AUX START RELAY OCrrPvT ALARM i l CONNECTIONS 1 1985...
- Page 14 TYPICAL SYSTEM CONNECTIONS APPENDIX D (PAGE 2) 1995 TO 1985 CPU'S RECEIVE CPU'S 1995...
- Page 15 TYPICAL SYSTEM CONNECTIONS APPENDIX E 1996 TO 1985 l g g 6 DATAQ-&mpob...
- Page 16 1/4” 19 Ibs. Weight: Finish: D a r k Gray Rev D 8000-1750-01, May, 1993 to 135 VACI) American Dynamics Product Designed and built by Sensormatic CCTV Systems Division Blue Hill Plaza Pearl River, New York, 10965 (914) 624-7600 Technical Support Center: 1-800-442-2225...