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

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
TAC
NT4K58

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
TAC
NT4K58
AccessNode Series 800A Outside Plant Cabinet Installation 323-3001-210 Issue 1.0
ABM
backplane
NT4K20AA
J51
J20
ABM
backplane
NT4K20AA
J53
J20
Cabinet and equipment wiring and cabling 13-49
FW-15182
TBP I/O
NT4K58CA
Filter
NT4K85EA-ED cable
FW-15181
TBP I/O
NT4K58KA
Filter
NT4K85EA-ED cable
FW-15182
To cross connect
FW-15181
To cross connect