Specifications

D1256/D1257
Installation
D1256/D1257 Installation Instructions
© 2000 Radionics Page 9 74-06925-000-B
3.0 Installation
3.1 Mounting the D1256 and D1257
The annunciators are low profile, surface-mounted units molded in durable red plastic. They can be mounted
using the following optional packages:
D56 Command Center Keypad Conduit Box (Protected surface or flush mount)
D54B Command Center Flushmount Kit (Brass)
D54C Command Center Flushmount Kit (Stainless Steel)
3.1.1 Mounting Locations
Do not mount annunciators in a location where they are exposed to direct sunlight. Direct sunlight can interfere
with the display screen's visibility and damage internal components. Do not mount the annunciators in wet or
moist locations.
3.2 Wiring the D1256 and D1257
A four-wire flying lead (See Figure 1: D1256/D1257 Internal Arrangement, Wiring Harness Connector) is
required for the data and power connections between the annunciators and the control/communicator. The
annunciators come with a wiring harness consisting of four color-coded flying leads with a female four-pin
connector plug at one end.
To wire the D1256 and D1257:
1.
Power down the control/communicator.
2.
Connect the flying leads of hte wiring harnes (provided) to the wiring terminals on the panel.
D1256/D1257 Harness Connecting an additonal
Annuciator to the D9100 carrier
module (a part within the D9124)
Connecting to a compatible
panel (see section 2.1.1 D1256)
12 VDC (red) to 12 VDC (terminal 1) terminal 32
Data In (yellow) to Data Out (terminal 3) terminal 31
Data Out (green) to Data In (terminal 4) terminal 30
COMMON (black) to COMMON (terminal 2) terminal 29
Table 3: Wiring Connections
3.
Using a small flat-bladed screwdriver, gently push in the two bottom tabs of the enclosure cover.
4.
As the tabs are pushed back, lift the cover away from the base.
5.
Set the switches as shown in Table 2: Switch Address Settings on page 8.
6.
Turn the command center over and plug in the wiring connector through the opening in the back of the
enclosure base.
7.
Mount the annunciator's base to the wall. Secure it in place using the three mounting holes inside the
enclosure base.
8.
Replace the cover. Align and insert the top two tabs of the enclosure cover into the top two tab slots of the
enclosure base.
9.
Hold the top edges of the enclosure cover and base in position.
10.
Push the tabs inward and press the enclosure and cover until the cover snaps into place.