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1 | Overview

The module’s address switches provide a tens and ones value 

for the module’s address. For single-digit address numbers 1 

through 9, set the tens switch to 0 and the ones digit to the 

appropriate number. 

Figure 2.1

 shows the address switches 

setting for addresses 1 and 11.

Set the address switches per the control panel configuration. If 

multiple B208 modules reside on the same system, each B208 
module must have a unique address.

Callout ― Description

1 ― Module with mounting bracket installed
2 ― Enclosure
3 ― Mounting screws (3)

3.1 | Mount the module in the enclosure

Mount the module into the enclosure’s 3-hole mounting 

pattern using the supplied mounting screws and mounting 

bracket. Refer to 

Figure 3.1

.

Figure 3.1: Mounting the module in the enclosure

3 | Installation

After you set the address switches for the proper address, 

install the module in the enclosure, and then wire it to the 

control panel.

CAUTION!

Remove all power (AC and battery) before making any 

connections. Failure to do so might result in personal 

injury and/or equipment damage.

3.2 | Mount and wire the tamper switch

You can connect an optional enclosure door tamper switch 

for one module in an enclosure. 

Installing the optional tamper switch:

1.  Mount the ICP-EZTS Tamper Switch (P/N: F01U009269) 

into the enclosure’s tamper switch mounting location. 

For complete instructions, refer to 

EZTS Cover and Wall 

Tamper Switch Installation Guide

 (P/N: F01U003734).

2.  Plug the tamper switch wire onto the module’s tamper 

switch connector. Refer to 

Figure 1.1

.

3.3 | Wire to the control panel

When you wire the module to a control panel, you can use either 

the module’s terminal strip labeled with PWR, A, B, and COM, 

or the module’s interconnect wiring connectors (wire included). 

Interconnect wiring parallels the PWR, A, B, and COM terminals 

on the terminal strip. 

Figure 1.1

 indicates the location of both 

the terminal strip and the interconnect connectors on the 

module. Refer to 

Figures 3.2

3.3

, and 

3.4

NOTICE!

Use either the terminal strip wiring 

or

 interconnect 

wiring connector to the control panel. Do not use 

both. When connecting multiple modules, you can 

combine terminal strip and interconnect wiring 

connectors in series.

Figure 3.2: Using terminal strip or interconnect cable wiring 
D9412GV4 shown)

Callout ― Description

1 ― Terminal strip wiring (SDI2)
2 ― Interconnect cable (P/N: F01U079745) (included)

Figure 3.3: Installing multiple modules using the SDI2 terminal 
strip (D9412GV4 shown)

Callout ― Description

1 ― Bosch control panel
2 ― B208 modules

Figure 3.4: Installing multiple modules using the SDI2 

interconnect wiring connector (D9412GV4 shown)

Callout ― Description

1 ― Bosch control panel
2 ― B208 modules

NOTICE!

The module reads the address switch setting only 

during power up. If you change the switches after 

you apply power to the module, you must cycle the 

power to the module to enable the new setting.

Two address switches determine the address for the B208 

Octo-input Module. The control panel uses the address for 

communications. The address also determines the output 

numbers. Use a slotted screwdriver to set the two address 

switches.

Figure 2.1: Address switches

2.1 | Valid addresses and input numbers per

control panel

Valid B208 addresses are dependent on the number of points 

allowed by a particular control panel. Addresses higher than 32 

require B208 firmware version 1.03.003 or higher.

Control 

panel

Valid 

B208 

addresses

Corresponding point 

numbers

B9512G

01 - 59

11 - 18, 21 - 28, 31 - 38, 41 - 48, 

51 - 58, 61 - 68, 71 - 78, 

81 - 88, 91 - 98, 101 - 108, 

111 - 118, 121 - 128, 131 - 138, 

141 - 148, 151 - 158, 161 - 168, 

171 - 178, 181 - 188, 191 - 198, 

201 - 208, 211 - 218, 221 - 228, 

231 - 238, 241 - 248, 251 - 258, 

261 - 268, 271 - 278, 281 - 288, 

291 - 298, 301 - 308, 311 - 318, 

321 - 328, 331 - 338, 341 - 348, 

351 - 358, 361 - 368, 371 - 378, 

381 - 388, 391 - 398, 401 - 408, 

411 - 418, 421 - 428, 431 - 438, 

441 - 448, 451 - 458, 461 - 468, 

471 - 478, 481 - 488, 491 - 498, 

501 - 508, 511 - 518, 521 - 528, 

531 - 538, 541 - 548, 551 - 558, 

561 - 568, 571 - 578, 581 - 588, 

591 - 598

B8512G

01 - 09

11 - 18, 21 - 28, 31 - 38, 41 - 48, 

51 - 58, 61 - 68, 71 - 78, 81 - 88, 

91 - 98 

B6512

01 - 09

11 - 18, 21 - 28, 31 - 38, 41 - 48, 

51 - 58, 61 - 68, 71 - 78, 81 - 88, 

91 - 96

B5512

01 - 04

11 - 18, 21 - 28, 31 - 38, 41 - 48 

B4512

01 - 02

11 - 18, 21 - 28

D9412GV4 01 - 24

11 - 18, 21 - 28, 31 - 38, 41 - 48, 

51 - 58, 61 - 68, 71 - 78, 

81 - 88, 91 - 98, 101 - 108, 

111 - 118, 121 - 127, 131 - 138, 

141 - 148, 151 - 158, 161 - 168, 

171 - 178, 181 - 188, 191 - 198, 

201 - 208, 211 - 218, 221 - 228, 

231 - 238, 241 - 247

D7412GV4 01 - 07

11 - 18, 21 - 28, 31 - 38, 41 - 48, 

51 - 58, 61 - 68, 71 - 75

D7212GV4 01 - 03

11 - 18, 21 - 28, 31 - 38

To determine the point numbers for each address, multiply 

the address number by 10 for the base number, and then use 

numbers 1 through 8 in the ones place for the point numbers. 

For examples, refer to 

Section 8

.

2 | SDI2 address settings

= Inputs 111 to 118

= Inputs 11 to 18

 

The B208 Octo-input Module is an 8 point supervised expansion 

device that connects to control panels through the SDI2 bus. 

This module communicates back to the control panel all point 

status changes. The inputs are accessed through on-board screw 

terminal connections. 

Figure 1.1: Board overview

Callout ― Description

1 ― Heartbeat LED (blue)
2 ― SDI2 interconnect wiring connectors 

(to control panel or additional modules)
3 ― SDI2 terminal strip 

(to control panel or additional modules)
4 ― Tamper switch connector
5 ― Terminal connector (point inputs)
6 ― Address switches

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