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D9112 Operation & Installation Manual
Page 60
74-06144-000-C 2/96
© 1993-1996 Radionics
Quick Reference Terminal Description
Terminal Name Description
1, 2
CLASS 2
TRANSFORMER
Connect 16.5 VAC, 40 VA transformer for primary power supply.
3
+AUX POWER
Supplies up to 1.4A at 10.0 VDC to powered devices. Use terminal 9 for common.
Shares circuit breaker with terminal 24 and the Expansion Port (J4).
4
BATTERY
NEGATIVE ONLY
Connect 12V, 7Ah rechargeable lead acid type battery’s negative terminal (-) to
terminal 4.
5 (+)
BATTERY
POSITIVE ONLY
Connect 12V, 7Ah rechargeable lead acid type battery’s positive terminal (+).
6 (+)
+ STEADY OR
PULSED
Supplies up to 2 A at 10.0 VDC to 13.9 VDC for steady or pulsed alarm output.
Use terminal 9 for common. Programmed as Relay A.
Shares circuit breaker with terminals 7 and 8.
7(+)
+ ALTERNATE
Supplies up to 2 A at 10.0 VDC to 13.9 VDC for steady or pulsed alarm output.
Use terminal 9 for common. Programmed as Relay B.
Shares circuit breaker with terminals 6 and 8.
D136 Plug-in Relay required:
Install a D136 in socket K3 for output at terminal 7.
8 (+)
+ SWITCHED
AUX POWER
Supplies up to 1.4 Amps at 10.0 VDC to 13.9 VDC . Use terminal 9 for common.
Programmed as Relay C
Continuous output interruptedby CMD 47 or alarm verification.
Shares circuit breaker with terminals 6 and 7.
D136 Plug-in Relay required:
Install a D136 in Socket K1 for output at terminal
8.
9
COMMON
Terminal 9 is common for Auxilliary Power, Alternate Alarm Power, and Switched
Aux Power (terminals 3, 6, 7 and 8).
10
EARTH GROUND
Connect to earth ground. A cold water pipe or grounding rod is preferred.
Do not connect to telephone or electrical ground.
11, 13, 14, 16, 17,
19, 20, 22
ON-BOARD
POINTS (inputs)
Connect normally open and/or normally closed detection devices to loop wiring.
1 k
Ω
resistor required at end of loop.
12, 15, 18, 21
ON-BOARD
POINTS
(common)
Loop returns for on-board points.
23 (-)
24 (+)
ZONEX COMMON
ZONEX POWER +
Use terminals 23 and 24 to power ZONEX modules such as the D8125 POPEX
module, the D8128A OctoPOPIT, and the D8129 OctoRelay. Shares circuit
breaker with terminal 3 and the Expansion Port (J4).
25
26
ZONEX IN 2
ZONEX OUT 2
Connect ZONEX modules for points 73 to 135 and relays 65 to 128 to these
terminals.
27
28
ZONEX IN 1
ZONEX OUT 1
Connect ZONEX modules for points 9 to 71 and relays 1 to 64 to these terminals.
29 (-)
COMMON
Common terminal for SDI devices
30
31
DATA BUS B
DATA BUS A
Terminals 30 and 31 are a two wire bus that drives the command centers, printer
interface, and other SDI devices.
32 (+)
POWER +
Power for command centers, printer interface and other SDI devices. This
separate protected power output for SDI devices is not affected by shorts on any
other terminal.