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ADCP-61-471 • Issue 4 • June 2000 • Section 2: Operation and Maintenance
2-225
© 2000, ADC Telecommunications, Inc.
DLP-570
Page 15 of 18
DS3 MUX
RTAU
AB
EQUIPMENT (E)
[NETWORK]
FACILITY (F)
[CUSTOMER]
CIRCUIT
UNDER TEST
TEST SIGNAL
GENERATOR
TEST SIGNAL
GENERATOR
DS3 MUX
RTAU
AB
EQUIPMENT (E)
[NETWORK]
FACILITY (F)
[CUSTOMER]
CIRCUIT
UNDER TEST
11866-B
SPLTASPLTB
SIGNAL
PRESENCE
DETECTOR
SIGNAL
PRESENCE
DETECTOR
Figure 570-8. SPLTB and SLPTA
SPLTB
A END
INTEROFFICE
FACILITY
CPE
INSERT:
NETWORK
DROP:
CUSTOMER
FE
11867-B
RTAU
Z END
CPE
LOOPBACK
FE
RTAU
LOOPBACK
OFFICE A OFFICE Z
B = "B" TRANSMISSION PATH
= SIGNAL PRESENCE DETECTOR
= TEST SIGNAL GENERATOR
OR UNFRAMED (QRS)
F = FACILITY (CUSTOMER)
E = EQUIPMENT (NETWORK)
A = "A" TRANSMISSION PATH
BB
AA
Figure 570-9. Typical Round-Robin Test Configuration