Connect Cabinets To Tae Blocks; Connect Cabinet To Tae Block; Connect Ground Start, Loop Start, And Did Trunks - AT&T Network Adapter 25 Installation And Maintenance Manual

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Connect Cabinets to TAE Blocks

The connections between the cabinets and the TAE blocks are made using
connectorized splitter cables. Make sure that each trunk group on each
connecting block is connected to the correct type of CP and protected with
its approved secondary protector (as shown in Table 2-B).
Central office trunks associated with emergency transfer and off-premises
stations (OPSs) are not connected directly to the cabinets.
installing trunks that are to be used for OPS, see Off-Premises
p a r t . Also, to complete the procedure for installing trunks used for
emergency transfer, you must go to
in this part.

Connect Ground Start, Loop Start, and DID Trunks

A 3:1 connectorized splitter cable, WP90929, L1, is required to connect the
700A Jack to the cabinet for these trunks.
1.
Install secondary protectors (see Table 2-B).
2.
Using the cable label sheets provided (Figure 2-7), label the back of
the hood of each of the connectors (1, 2, and 3) on the three legs of
the splitter cable (see Note). Use an appropriate cabinet and slot
number label (CAB 1 SLOT9, for example).
N o t e : If one or more of the legs contain trunks that are to
be used for emergency transfer, do not label these
legs. Set the legs aside and go to
Transfer Units (HUS)
installation of these trunks.
3.
On connector O, install labels that correspond to those used on each
of the three splitter cable legs. Position the labels so that they will
be clearly visible after the cable is plugged in.
4.
Plug connector O into the 700A Jack.
Except for legs containing trunks to be used for emergency transfer,
5.
connect connectors 1, 2, and 3 to the cabinet.
ZTN76 Ground Start, ZTN77 Loop Start, or TN753 DID CPs.
6.
Repeat procedure as required.
Install Emergency Transfer Units (ETUS)
Install Emergency
in this part to complete the
INSTALLATION
If you are
in this
Stations
Connect only to
2-51

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