D7212GV2 | Operation and Installation Guide | Appendix A: System Wiring Diagrams, Issue A
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Bosch Security Systems, Inc. | 5/05 | F01U003805B 55
Figure 28: D7212GV2, SDI Devices
D8125
POPEX #1
+
-
D8128D
D8129
D9133TTL-E/DX4020
D9131A
EARTH GROUND
COMMON
BATTERY NEGATIVE ONLY
Maximum Charging
Current 1.4 Amps.
BATTERY POSITIVE ONLY
RELAY A
RELAY B
RELAY C
+ AUX POWER
CLASS 2 TR ANSFORMER
16.5 VAC 40 VA 60 Hz
Model D1640
Internally Fused - Do Not short
Requir es Unsw itched Outle t
Do Not S hare With Ot her Equipment
PROGRAMMABLE
ALARM OUTPUTS
Terminals
Requires Optional
Model D136 Relay
In ALT ALARM
& SW AUX
&
78
GROUND FAULT DETECT
Enabled
Disabled
PERIPHERAL DEVICE CONNECTIONS
RED POWER +
YELLOW DATA BUS A
GREEN DATA BUS B
BLACK COMMON
ZONEX OUT 1
ZONEX IN 1
NFPA
Style 3.5
Signaling
Line
Circuits
D7212GV2
D1260D1257D1256D1255
PHONE
LED
RED
ON when
communicating
OFF when idle
PHONE LINE SEIZED
TIP
RING
TELCO CORD
MODEL D161
TELCO
RING
TIP
PHONE L INE
SEIZED
GRN
D5200/D5360
PROG CONN
Point 8
S3 Option
Closed = 1K
Ω
EOL
Normal Operation
Open =AB-12 UL
Bell Box 220 K
Ω
NOT U SED
25
NOT U SED
ZONEX POWER +
ZONEX COM MON
26
24
23
1 - Up to eight supervised
2 - Power limited, supervised
3 - For Zone 1, up to four D8128Ds
4 - For Zone 1, up to three D8129s
5 - Up to 32 D9127U/T POPITs, or
up to 32 D8127U/T POPITs
All external connections except Terminal 5 (battery positive) are power limited.
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