ADC Soneplex Broadband System Operation And Maintenance Manual page 248

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