30 AFP-200 Instruction PN 15511:F2 10/11/99
Connect Loop Out to TB 6-3 (+) and TB 6-5 ().
Connect Loop Return to TB 6-4 (+) and 6-6 ().
Figure 2-15 Four-Wire SLC Communications Loop
(Supervised and power-limited meets NFPA 72-1993 Style 6 requirements)
Note: The maximum number of devices between isolator modules is 25. ISO-X devices are not required to meet
NFPA Style 4.
2.7 Wiring the Signaling Line Circuit, continued
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