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Wiring a Signaling Line Circuit (SLC)
76 AFC-600 Installation PN 51031:B 03/28/2001
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Communication between the control panel and intelligent and addressable initiating, monitor, and
control devices takes place through a Signaling Line Circuit (SLC). You can wire an SLC to meet
the requirements of NFPA Style 4, Style 6, or Style 7 circuits. This section covers the topics
outlined in Table 13:
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Topics Refer to
SLC Information "SLC Devices" on page 77
"SLC Capacity" on page 77
"SLC Performance" on page 78
Methods for terminating
wiring leaving the control
panel
"Shield Termination" on page 78.
Wire Requirements for
Two-Wire SLC
"Wire Requirements for a Two-Wire (Style 4) SLC" on page 80,
which covers:
Loop resistance.
Total wiring length.
Typical Wiring (Style 4).
Wire Requirements for
four-wire SLC
"Wire Requirements for a Four-Wire (Style 6, Style 7) SLC" on
page 82, which covers:
Loop resistance.
Total wiring length.
Typical Wiring (Style 6 & 7).
Wiring an ISO-X Isolator
Module
"Wiring an ISO-X Isolator Module" on page 85, which covers:
Description.
Isolating a Branch of a Two-Wire SLC.
Wiring an Isolator Base "Wiring an Isolator Detector Base" on page 86, which covers:
Description.
Typica l Wi ring.
Wiring a Conventional
Initiating Device Circuit
(IDC)
"Wiring an IDC with MMX or FMM Modules" on page 87, which
covers:
Description, Setting and Testing of Monitor Modules.
Wiring a Two-Wire or Four-Wire IDC.
Wiring Notification
Appliance Circuits
(NACs)
"Wiring a Notification Appliance Circuit (NAC) or Control
Circuit" on page 94, which covers:
Description, Setting and Testing of Control Modules.
Installing a CMX as Form-C Relay.
Wiring a Two-Wire NAC (Style Y).
Wiring a Four-Wire NAC (Style Z).
Wiring an Intelligent
Detector
"SLC Wiring with an Intelligent Detector" on page 101, which
covers wiring a BX-501Base in an SLC.
Wiring an Addressable
Pull Station
"SLC Wiring with an Addressable Manual Pull Station" on page
102, which covers wiring a BGX-101L and NBG-12LX Manual
Pull Station in an SLC.
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