Installation Guide

D9412GV4/D7412GV4/D7212GV4 | Installation and Operation Guide | Appendix A: System Wiring Diagrams
Bosch Security Systems, Inc. | 3/12 | F01U266054-01 79
Figure 37: D7412GV4/D7212GV4 SDI and Zonex Devices System Wiring
1 - Up to 16 supervised D1255 (all versions),
D1255RB, D1256, D1256RB Keypads, or
D1257RB or D1257 Fire Annunciators, or up to 8
supervised D1260 Keypads (all versions)
2 - Up to 2 D9210C Access Control Interface
Modules (not available on the D7212GV4)
3 - Up to 1 supervised 9131A Parallel Printer
Interface Module
4 - Power limited, supervised
5 - Up to two DX4020, ITS-DX4020-G, or B420
Ethernet Communication Modules
6 - Power limited
7 - D8125 POPEX No. 1
8 - Up to 67 D9127U/T POPITs
9 - Zonex 1: Up to 9 D8128Ds
10 - Zonex 1: Up to 8 D8129s maximum
* The number of D8129 OctoRelays that can be connected to each zonex terminal on the control panel is limited by the
number of D8128D OctoPOPITs connected to the same terminal. Refer to the D8128D Installation Guide (P/N: F01U070537)
or the D8129 Operation and Installation Guide (P/N: F01U036302) for specific information.
Terminals 24 through 36 are power limited, supervised.
Fire and Intrusion devices must be on separate circuits. Refer to ICP-SDI-9114 Installation
Instructions (P/N: F01U030068).