Black Box BRTS-100 manual Features, 100 Est

BRTS-100 ISDN TEST SET

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			T		100
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			TERMINATE SPEAKER			NORM
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POWER	OFF
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ON
OFF

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				TEST	STATUS		8
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	L			S
T									1
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						LEVEL -	RECEIVE	UX	-8
			“D”	TRANSMIT		6dB
		GRN	“1”	ACTIVITY
IMPEDANCE				RED
CONTINUITY				“0”
INITIATE

LINE

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B

Figure 2-1. The BRTS-100 ISDN Test Set.

2.3 Features

This compact, rugged ISDN S/T interface line test set provides many essential diagnostic functions. It’s easy to use, too, requiring very little knowledge about complex ISDN protocols. The Test Set:

•Verifies physical layer (Layer 1) parameters.

•Checks for D Channel Access.

•Is lightweight and hand-held.

•Derives power from a 9-volt battery.

•Includes easy-to-use, Pass/Fail LEDs that give instantaneous test results.

•Can monitor a D Channel.

•Samples every frame on the line (one every 250 microseconds).

•Supports various modes of operation for fault isolation.

•Can be used in either passive bus or point-to-point configurations.

•Verifies DC Continuity.

•Features Power Indication lamps that indicate battery presence and polarity.

•Generates a 4-KHz test tone.

•Includes a speaker that allows audio monitoring of line activity.

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