Black Box BRTS-100 manual Check loop flow chart 1

BRTS-100 ISDN TEST SET

CHECK LOOP

Assume

1.Power good

2.LINE TEST failed

3 Test Set is in NORMAL mode

		CHECK LOOP
		PUT CIRCUIT IN
		POINT TO POINT
		CONFIGURATION
		(CONFIG. 1)
		CHECK IF TX &
		RX PAIRS ARE
		TRANSPOSED
		SWITCH TO
		REVERSE, INITIATE
		LINE TEST
		LINE, LINE TEST
		INITIATE
TX & RX	GRN
PAIRS ARE		TEST STATUS?
TRANSPOSED

RED

	SWITCH TO
DONE	NORMAL

LINE, RECEIVE

A

Figure 4-6. Check loop flow chart (1 of 3)

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