
D7212GV2 | Operation and Installation Guide | 9.0 Off-Board Points
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Bosch Security Systems, Inc. | 2/07 | F01U003805-02 39
The D8128D is also suitable for fire supervisory
applications, such as indicating circuit supervision
(using the D192G Bell Circuit Supervision Module),
sprinkler supervision, and valve tamper protection.
Use the D125B for two-wire smoke
detectors.
The D129 is usually used for water-flow
switches.
Figure 17: D8128D OctoPOPIT Layout
23451 678
P O I N T S
1
2
3
4
1 - Molex
®
connectors
2 - Address DIP switches
3 - Terminal strip
4 - Point DIP switches
9.4.3 Installation
For the most effective installation, use the following
four-step process:
1. Set the OctoPOPIT switches. Refer to Section 9.4.4
Setting the OctoPOPIT Switches.
2. Physically mount the OctoPOPIT in the enclosure.
Refer to Section 9.4.5 Mounting OctoPOPITs on page
40.
3. Wire the OctoPOPIT. Refer to Section 9.4.6 Wiring
OctoPOPITs on page 40.
4. Wire the OctoPOPIT sensor loops. Refer to Section
9.4.6 OctoPOPIT Sensor Loops on page 43.
9.4.4 Setting the OctoPOPIT Switches
The D8128D OctoPOPIT has two sets of DIP switches
(Figure 17). Use the DIP switches on the top of the unit
(with the terminal strip along the left edge) to set the
address for the OctoPOPIT. Use the DIP switches at
the bottom of the unit to enable or disable individual
points connected to the OctoPOPIT.
Address Switches
The switches on the D8128D OctoPOPIT set point
assignments and line termination. These switches are
easier to set before mounting the D8128D in the
enclosure.
Switches 1, 2, 3, and 4 assign the OctoPOPIT sensor
loops to point numbers on the control panel. Table 14
shows the OctoPOPIT switch settings for point
assignments.
Switch 5 sets line termination. Refer to Table 15.
Table 14: D8128D OctoPOPIT Switch Settings
ZONEX 1 D8128D Address Switches
Points 9 to 40 1 2 3 4 5
9 to 16 ON ON ON ON *
17 to 24 ON ON ON OFF *
25 to 32 ON ON OFF ON *
33 to 40 ON ON OFF OFF *
* Line Termination Switch
The D7212GV2 uses Points 9 to 40 on
Zonex 1 only.
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