2120 Initiating Wiring Diagrams M-21 20 (Example, Figure 18)
The 2120 initiating wiring diagrams provide details on how to connect external devices to 2120 transponders.
Information on fire alarm, security, and control peripherals is included. Specific diagrams illustrate how these
peripherals are interconnected, and how they should be terminated at a specific transponder.
The 2120 initiating wiring diagrams are referred to by figure letter in the system interconnection drawings.
CONTRACTOR
TERMINAL
LAYOUT
TEII
n
C
FABT
SIGNAL
c I RCUIT
3?8-030
E.O.L.R.
IOK l/2W
28VDC
-1
SIGN AL
“RzculT
-J
NOTES:
1 ALL WIRING MlHlMUM 14 AWC OR TO
LOCAL CODES.
2.
RATED
20 -28
VDC, STR TYPE
2901- 9320
2901-9321 SELLS
2901- 9322
2.902-9203 CH,MES
2902 - 9204
3. MAXIMUM Of 2
AMPS PER ANY ONE SIGNAL.
4.
SIGNALING CIRCUITS
ARE
MONnOR RV FABT
BOAR0 ZONES 6, 7 8 8
5. REFER 70
900-036 2120
FIELD WIRING
SPECIPICATIONS.
Fig. @ From M-21 20 Initiating Wiring Diagrams
FIGURE 18
21
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