Nortel SONET AccessNode 800A Series - Test Bypass Pair I;O; Test Access Pair I;O

Cabinet and equipment wiring and cabling 13-49
AccessNode Series 800A Outside Plant Cabinet Installation 323-3001-210 Issue 1.0
Test bypass pair I/O
The test bypass pair (TBP) I/O filter card (NT4K58CA), mounted in position
51 of the ABM I/O section, connects to one of four test bypass pairs with
cables NT4K85EA-ED.
The NT4K85EA-ED cables are not terminated. These connections to the
cross-connect facilities are defined by the customer.
Figure 13-34 shows the TBP wiring block diagram.
Figure 13-34
Test bypass pair I/O wiring block diagram
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Test access pair I/O
The test access pair (TAP) I/O filter card (NT4K58KA), mounted in position
53 of the ABM I/O section, connects to customer defined CDS test equipment.
Figure 13-35 shows the TAP wiring block diagram.
Figure 13-35
Test access pair I/O wiring block diagram
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Filter
J20
J51
NT4K85EA-ED cable
To cross connect
ABM
backplane
NT4K20AA
TBP I/O
NT4K58CA
TAC
NT4K58
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Filter
J20
J53
NT4K85EA-ED cable
To cross connect
ABM
backplane
NT4K20AA
TBP I/O
NT4K58KA
TAC
NT4K58
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