D8125 | Installation and Operation Guide | 4.0 Installation
Bosch Security Systems B.V. | 2020.04 |F01U036298-15
4.3.5.1 POPEX/POPIT Configurations
Two configurations, horizontal (Table 5) and vertical (Table 6) are used to organize points of protection. Both
modes provide the ZONEX system with the maximum of 126 points of protection. The two Zone Expansion
terminals are typically used to group POPITs in a ZONEX system.
The selection of the mode is significant when only one POPEX Module is installed. With one POPEX module, an
application which requires no more than eight points of protection in as many as eight zones can use the
horizontal mode (Table 5). An application which requires more than eight points of protection in no more than
four zones can use the vertical mode (Table 5) displays, refer to the D1252A Security System User’s Guide
(P/N: 71-04415-000). If two POPEX Modules are installed, all points of protection are available. Some of the
differences between the modes are listed below:
In the horizontal mode with one POPEX Module:
• All eight zones of the D8112G1/G2 can be used in the ZONEX system.
• Up to eight POPITs can be assigned to D8112G1/G2 Master Zones 1-7.
• A maximum of seven POPITs can be assigned to D8112G1/G2 Master Zone 8.
• A maximum of 63 POPITs can be installed.
In the horizontal mode with two POPEX Modules:
• Up to 16 POPITs can be assigned to D8112G1/G2 Master Zones 1-7.
• A maximum of 14 POPITs can be assigned to D8112G1/G2 Master Zone 8 (7 POPITs on POPEX #1
and 7 POPITs on POPEX #2).
• POPEX #1 assigns a maximum of 8 POPITs to a D8112G1/G2 zone (ex., Points 101-108).
• POPEX #2 assigns an additional 8 POPITs maximum, to a D8112G1/G2 zone (ex., Points 109-116).
• A maximum of 126 POPITs can be installed.
In the vertical mode with one POPEX Module:
• Only four zones of the D8112G1/G2 can be used in the ZONEX system.
• Zones must be used in groups (Zones 1 through 4, or Zones 5 through 8).
• Up to 16 POPITs can be assigned to D8112G1/G2 master Zones 1-3 or 5-7.
• A maximum of 15 POPITs can be assigned to D8112G1/G2 Zones 4 and 8.
• A maximum of 63 POPITs can be installed.
In the vertical mode with two POPEX Modules:
• Up to 16 POPITs can be assigned to D8112G1/G2 Master Zones 1-3 or 5-7.
• POPEX #1 assigns a maximum of 16 POPITs to D8112G1/G2 zones 1 through 3.
• POPEX #2 assigns a maximum of 16 POPITs to D8112G1/G2 Zones 5 through 7.
• Only 15 POPITs can be assigned to D8112G1/G2 Zones 4 and 8.
• A maximum of 126 POPITs can be installed.
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