
| Approved Applications Compliance Guide | 6.0 System Wiring Diagrams
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Bosch Security Systems, Inc. | 3/12 | F01U266055-01 21
6.4 SDI2 Devices System Wiring
Figure 8: D9412GV4/D7412GV4/D7212GV4 SDI2 Devices System Wiring
1 - Up to 24 B208 Octo-input Modules
2 - Up to 12 B308 Octo-output Modules
3 - Up to 2 B420 Ethernet Communication Modules
4 - Up to 1 B820 Inovonics Interface Module
Table 4: SDI2 Modules Capacities Per Control Panel
Module D9412GV4 D7412GV4 D7212GV4
B208 Octo-input Modules 24 7
1
3
1
B308 Octo-output Modules 12 6
1
2
2
B420 Ethernet Communication Module 2
3
2
3
2
3
B820 Inovonics Interface Module
1 1 1
1
For the D7412GV4, only 5 inputs are available on the Octo-input at address 7 and for the D7212GV4, only 2 inputs are
available on the Octo-input at address 3.
2
For the D7412GV4, only 4 relays are available on the Octo-output at address 6 and for the D7212GV4 only 4 relays are
available on the Octo-output at address 2.
3
The maximum number of communication devices to be used on the control panel (both SDI and SDI2 buses) is 3. Of the
two devices that can be used on the SDI2 bus both can be used for reporting / RPS communications or one can be used for
reporting / RPS communications and the other can be used for automation.
Terminals 33 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).
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