D8125
D8125 Operation and Installation Guide
Page 15© 2004 Bosch Security Systems, Inc. 74-04247-000-N
2.7 D9124 Point Expansion
The D9124 Fire Alarm Control Panel (FACP) is currently shipped with the D9412GLTB Control Panel. Refer to Section 2.2
D9412G/D7412G Point Expansion for details regarding Popit installation.
You can connect up to four data expansion loops to one D8125 input at the motherboard. Data Loops 1 to 4 connect to the
D8125 POPEX 1 input on the motherboard (Terminals 11 through 18). Data Loops 5 to 8 connect to the D8125 POPEX 2
input at the motherboard (Terminals 19 through 26).
Verify the proper setting of motherboard jumpers: Make sure the jumpers above Terminals 18 to 24 on the motherboard
are in the D8125 position (Figure 1).
2.7.1 POPEX/POPIT Configurations
With the D8125 POPEX Module, you can:
• use D8125 POPEX 1, data loops 1 to 4 (Terminals 11 to 18) on
the motherboard.
• install a maximum of 119 POPITs (Points 9 to 127).
• use Points 7 and 8 for power supply and initiation circuit
supervision. POPITs are not required for these functions.
With an additional D8125 POPEX Module, you can:
• use D8125 POPEX 2, data loops 5 to 8 (Terminals 19 to 26) on
the motherboard.
• install an additional 119 POPITs (Points 129 to 247) for a
maximum of 238 POPITs in the system.
Figure 1: D8125 Jumper Setting
J9
17 18 19 20 21 22 23 24 25 26
J9 J8 J7 J 1 2 J11 J 1 0
P5
Jumpers set in the
D8125 position.
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