D9000/D7000 Series Operation & Installation Manual
Page 37
74-07692-000-C 4/97
Arming Devices
Description
Command Centers, maintained or momentary
contact keyswitches, or a combination of the two
are used to arm and disarm areas. The panel
may contain up to 8 areas. See the
Introduction
section for a description of areas.
Command Centers
Terminals 29 to 32
The Radionics Command Center is a 4-wire
powered device used to arm and disarm areas,
annunciate complete system status, initiate
system tests, and control many functions of the
security system.
The system can supervise up to eight Command
Centers. The panel transmits a serial device
trouble report, SDI FAILURE in the Modem IIIa
2 TM
format or TROUBLE ZN D in the BFSK format, if it
loses communication with a supervised
Command Center. CALL FOR SERVICE appears
in any Command Center with text display
capability that loses communication with the
panel. SERVC KEYPAD appears at all other
Command Centers connected to the system.
You can connect a total of 32 Command Centers
to the system. The number of supervised
Command Centers, number of areas, and the
available power affect the total number of
Command Centers you can connect to the
system. See
Command Center
in the
D9000/
D7000 Series Program Entry Guide
(74-07695-
000)
for complete programming details on
Command Center options.
There are four Command Centers available for
use with the system. The D1255 features a 16-
character alphanumeric display for general use.
The D1256 is also a text display Command
Center with functional keys optimized for local fire
alarm control. The D1257 is a text display
Command Center for fire annunciation. The D720
is an LED display Command Center appropriate
for use as a single area Command Center with
up to eight points.
See the
User’s Guide
(71-06150-000) for
operational information.
Installation
Consult the Command Center installation
manuals for installation and mounting
instructions. Command Centers connect to the
panel in parallel as shown in Table 6.
D9412/D9112 Command Center
Terminal Function Wire Color Function
32 * POWER + Red 12 VDC
31 DATA BUS A Yellow Data-In
30 DATA BUS B Green Data-Out
29 COMMON Black Common
*Connect with at least 5' of 22 AWG wire (14' of 18 AWG wire)
Assigning the Command Center an Address
Switches on the Command Center assign an
address (1 to 8) to the Command Center. The
address determines if the Command Center is
supervised, the Command Center's scope, and
what area the Command Center is assigned to.
See
Command Center Assignment
in the
D9412/
D9112 Program Entry Guide
(74-07695-000) for
a complete description of addresses.
Table 5 shows the correct switch setting for each
address.
Table 5: Command Center Address Settings
Switch
1 23456
Address #1 ON ON ON ON ON
Address #2 OFF ON ON ON ON
Address #3 ON OFF ON ON ON
Address #4 OFF OFF ON ON ON
Address #5 ON ON OFF ON ON
Address #6 OFF ON OFF ON ON
Address #7 ON OFF OFF ON ON
Address #8 OFF OFF OFF ON ON
ENCODING TONE ON/OFF
Table 6: Command Center Connections
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