Bosch D1255TD User manual

Command Center D1255TD

Installation Instructions

1.0 Description

The D1255TD Command Center is an SDI buss compatible device used with Bosch Security Systems control/communicator

panels. The D1255TD features a keypad that illuminates when you press the keys, a sixteen-character English language

display, and a built-in speaker that emits several distinct warning tones.

The panel supplies all power and data requirements for the D1255TD via a simple four-wire connection. For specific panel

compatibility refer to Table 1: Panel Compatibility Chart, p. 2 of this document. See the Current Rating Chart for Standby

Battery Calculations provided in the Operation and Installation Guide for the specific panel used with the D1255TD to

determine if you need an additional power supply. Configurations combining supervised and unsupervised command

centers are possible.

You can program the panel to generate messages to the D6500 identifying the supervised command center that is in trouble.

If a command center loses communication with the panel for more than 60 seconds, the command center buzzes and CALL

FOR SERVICE displays. The panel transmits a serial device trouble report (SDI FAILURE in Modem, TROUBLE ZN

Din BFSK) to the receiver.

Depending on programming in the panel, the D1255TD permits remote control of relays and real time clock display; adding,

deleting and changing passcodes, system tests, and more. See the Command Center and User Interface sections of the Program

Entry Guide for complete programming details on command center options. You can initiate a variety of system commands

with the touch of two or three keys at the D1255TD keypad. To navigate through the system use the five keys near the bottom

of the keypad.

D1255TD Installation Instructions

D1255TD

2.0 Specifications

Table 1: Wiring Connections

Table 2: Panel Compatibility Chart

Power

•Nominal 12 VDC supplied by the panel

Current Required

•Idle: 104 mA, armed or disarmed.

•Maximum: 206 mA, with command center lighted and warning tone ON.

Wiring

•4-wire expansion cable supplies Data In, Data Out, +12 VDC, and Common.

•Maximum resistance on the conductors connected to SDI BUS A and SDI BUS B is 25 Ω.

Dimensions (HxWxD)

•4.56 in. x 8.15 in. x 0.816 in. (11.6 cm x 20.7 cm x 2.1 cm)

Color

•Warm Gray

Display

•Sixteen-character vacuum fluorescent display. Each character is a fourteen-segment unit.

•Soft blue color

Operating Temperature

•+32° to +122° F (0° to +50° C)

Relative Humidity

•5 to 85% @ +86°F (+30° C)

4 Wire Flying Leads from

D9112 and D7212

D1255TD Flying Leads

DATA BUS B (30) To Data Out (Green)

DATA BUS A (31) To Data In (Yellow)

POWER + (32) To 12 VDC (Red)

COMMON – (29) To Common (Black)

Control Panel

Command Center

D7212 D9112

D1255TD Supervised 8 8

D1255TD Unsupervised 32 32

D1255TD Installation Instructions

D1255TD

3.0 Digital Keypad

The D1255TD Command Center features a digital keypad for accessing the menus, entering user passcodes and executing

system commands in the panel.As you press keys, the D1255TD emits a muted beep tone (Refer to section 6.0 Audible Tones,

p.4) to indicate that the entry has been accepted. The keypad lights when you press keys, and remains lit for 20 seconds.

When entering a passcode,press keys within 15 seconds of each other. If 15 seconds elapse between keystrokes, the entire

entry clears, and you must start over. The keypad also "times out" on other functions if you wait too long between key

presses.

4.0 Command Center Function Keys

The D1255TD has five function keys. These keys are used to control your system.

COMMAND Use the [COMMAND] bar in combination with one or two numeric keys to perform a function.

ENT/YES Key Use the [ENT(enter)/YES] key to complete the entry of your passcode at the command center.

The second function of the [ENT/YES] key is to select the menu item displayed.

PREV Key When viewing a list, pressing the [PREV] key will take you back to the previously shown item.

NEXT Key Press the [NEXT] key to pass over the present item in a menu or list.

MENU/ESC First, use the [MENU/ESC] key to show the command center functions that are programmed in the

Command Menu.

Second, use the [MENU/ESC] key to take you back to the idle display.

D1255TD Installation Instructions

D1255TD

5.0 Display

The D1255TD Command Center displays the latest status conditions of the security system using words, numbers, and

symbols in its display. When a series of events occur that affect the system, the D1255TD displays each event in order of its

priority.

For a complete listing and description of the D1255TD sixteen-character displays and command functions available, consult

the Security System User’s Guide (P/N: 71-06141-000) and the Program Entry Guide for the panel.

6.0 Audible Tones

The D1255TD Command Center has a built-in speaker that produces several distinct warning tones. The speaker volume can

be changed by adjusting the potentiometer, shown in Figure 1: D1255TD Internal Features, p. 5. Turn the potentiometer

clockwise to increase and counterclockwise to decrease the volume. The speaker volume also changes as you adjust the

brightness of the display. You cannot connect external annunciation devices to the D1255TD. The following signals are

silenced by entering a programmed passcode with the appropriate authority.

Burglary Signal When an area is in alarm,the D1255TD emits a steady, high-pitched bell tone.

Entrance Warning The D1255TD emits an intermittent beep tone during entry delay periods to remind the user to

disarm the area. This is a programmable option.

Exit Warning The D1255TD emits an intermittent beep tone during exit delay and counts down the number of

seconds left until arming takes place. This is a programmable option.

Fire Signal When an area is in fire alarm, the D1255TD emits a pulsed, high-pitched bell tone.

Invalid Key Buzz When an invalid key, or sequence of keys, is pressed,the D1255TD emits a flat buzz tone.

Keypad Encoding Tone The D1255TD emits a muted beep tone as each key is pressed to indicate that the entry has been

accepted. To disable this feature refer to section 7.1 Setting the DIP Switches, p. 5.

Trouble Buzzer When a trouble event occurs, such as a service alert, the D1255TD emits a two tone warble until

you enter[COMMAND 4].

Watch Tone When you activate the Watch feature,an intermittent beep tone (the same as the Entrance

Warning Signal) alerts the user anytime a watch point is faulted. This option is programmable by

point.

D1255TD Installation Instructions

D1255TD

7.0 DIP Switch Settings and Associated Functions

Located under the D1255TD Command Center cover (Figure 1), a six-position DIP Switch allows you to select the address

of each command center, and silence the keypad encoding tone.

To access the dipswitches, remove the front cover. Using a small flat-bladed screw-driver, gently push in the two bottom tabs

of the enclosure cover. As the tabs are pushed in, lift the cover away from the base.

7.1 Setting the DIP Switches

For supervised command centers, assign only one command center to each address.

Figure 1: D1255TD Internal Features

Table 3: Switch Settings

Switch

Address # 1 2 3 4 5 6

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

ENCODING TONE

ON/OFF

D1255TD Installation Instructions

D1255TD

8.0 Mounting the D1255TD

The D1255TD Command Center is a low profile, surface-mounted unit. It can also be mounted using the following optional

packages:

• D56 Command Center Keypad Conduit Box - Protected surface mount or flushmount

• D55 Command Center Desk Stand - Desktop

• D54B Command Center Flushmount Kit (Brass)

• D54C Command Center Flushmount Kit (Stainless)

8.1 Mounting Locations

• Do not mount the command center in a location where it will be exposed to direct sunlight.

• Direct sunlight can interfere with the D1255TD display screen visibility and damage internal components.

• Do not mount the D1255TD in wet or moist locations.

D1255TD Installation Instructions

D1255TD

9.0 Wiring the D1255TD

A 4-wire flying lead is required for the data and power connections between the D1255TD and the panel. The D1255TD

comes with a wiring assembly consisting of four color-coded flying leads and a female 4-pin connector plug at one end. The

maximum recommended wire run for each D1255TD is 2000 ft. (610 m) with 22 gauge wire.

To wire the D1255TD:

1. Power down the panel.

2. Using a small flat-bladed screw-driver, gently push in the two bottom tabs of the D1255TD enclosure cover.

As the tabs are pushed back, lift the D1255TD cover away from the base.

3. Set the address switches as shown in section 7.0 DIP Switch Settingss and Associated Functions, p.5.

4. Connect the flying leads of the wiring assembly (provided) to the wires from the panel, as shown in Table 1:

Wiring Connections, p. 2.

5. Turn the command center over and plug in the wiring connector through the opening in the back of the

enclosure base.

6. Mount the command center base in the desired location. Secure it in place using the mounting holes inside the

enclosure base.

7. Replace the cover. Align and insert the top two tabs of the enclosure cover into the top two tab slots of the

enclosure base. Hold the top edges of the enclosure cover and base in position. Push the tabs inward and press

the enclosure and cover together until the cover snaps into place.

8. Press each key on the keypad toward the top of the command center to ensure proper alignment and operation

of each key through the mating keypad faceplate openings.

130 Perinton Parkway, Fairport, NY 14450-9199 USA Installation Instructions D1255TD

Customer Service: (800) 289-0096; Technical Support: (888) 886-6189 Page 8 of 8

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