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A END | OFFICE A | INTEROFFICE |
| OFFICE Z | Z END |
RTAU | FACILITY |
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| RTAU |
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F | A | E | E | A | F |
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| DROP: | DROP: |
| INSERT: |
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| CUSTOMER | NETWORK |
| CUSTOMER |
INSERT: |
| INSERT: | INSERT: |
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NETWORK | B | CUSTOMER | NETWORK | B |
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CPE |
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| CPE |
QRS |
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| QRS | |
| SPLTF |
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| SPLTE |
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A = "A" TRANSMISSION PATH B = "B" TRANSMISSION PATH E = EQUIPMENT (NETWORK) F = FACILITY (CUSTOMER)
= SIGNAL PRESENCE DETECTOR
=TEST SIGNAL GENERATOR OR UNFRAMED (QRS)
= TERMINATED SIGNAL
Figure
EQUIPMENT (E) |
| FACILITY (F) | EQUIPMENT (E) |
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[NETWORK] | DS3 MUX | [CUSTOMER] | [NETWORK] | DS3 MUX |
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| A | A |
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| B | B |
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| CIRCUIT | CIRCUIT |
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| UNDER TEST | UNDER TEST |
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| SPLTFL | SPLTEL |
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| SIGNAL | TEST SIGNAL |
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| PRESENCE |
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| GENERATOR |
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| DETECTOR |
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RTAU | TEST SIGNAL | SIGNAL | RTAU |
| GENERATOR | PRESENCE |
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| DETECTOR |
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FACILITY (F) [CUSTOMER]
Figure
© 2000, ADC Telecommunications, Inc.