ADC Broadband System manual 248

ADCP-61-471 • Issue 4 • June 2000 • Section 2: Operation and Maintenance

DLP-570

Page 15 of 18

EQUIPMENT (E)		FACILITY (F)	EQUIPMENT (E)		FACILITY (F)
[NETWORK]	DS3 MUX	[CUSTOMER]	[NETWORK]	DS3 MUX	[CUSTOMER]
		CIRCUIT	CIRCUIT
		UNDER TEST	UNDER TEST
		SPLTB	SPLTA
		SIGNAL	SIGNAL
A	B	PRESENCE	PRESENCE	A	B
		DETECTOR	DETECTOR
	RTAU	TEST SIGNAL	TEST SIGNAL	RTAU
		GENERATOR	GENERATOR		11866-B

Figure 570-8. SPLTB and SLPTA

A END

OFFICE A

INTEROFFICE

OFFICE Z

Z END

F

RTAU

E

FACILITY

E

RTAU

F

A

A

LOOPBACK

INSERT:

DROP:

LOOPBACK

NETWORK

B

CUSTOMER

B

CPE

CPE

SPLTB

A = "A" TRANSMISSION PATH

B = "B" TRANSMISSION PATH

E = EQUIPMENT (NETWORK)

F = FACILITY (CUSTOMER)

11867-B

= SIGNAL PRESENCE DETECTOR

=TEST SIGNAL GENERATOR OR UNFRAMED (QRS)

Figure 570-9. Typical Round-Robin Test Configuration

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© 2000, ADC Telecommunications, Inc.