ATT System 25 Installation And Maintenance Manual

INSTALLATION
4.Complete the Voice and Data Station Records Form (Figure 2-26).
Make SIP Connections to Cabinet for ATL Cordless Telephones
Follow the same procedure as for 7300H Series terminals to connect ATL
Cordless Telephone SIP appearances to the appropriate CPs as outlined
below:
l Connect the 25-pair connector to a ZTN79 CP
l Attach a cable label to the octopus cable 25-pair connector and
flag-type tie wrap
lRun the cable to the
lPlug cable ends into50A Fanning Stripthe appropriate SIP adapters
l...

INSTALLATION
6. Check that all cables are labeled.
INSTALL EMERGENCY TRANSFER UNITS
(ETUs)
The 106 Emergency Transfer Unit (ETU) (Figure 2-32) supports up to five
Power Failure Transfer (PFT) sets and a DID make-busy function. Up to four
ETUs can be supported for a maximum of 20 PFT sets. The sets can be
connected to selected loop-start or ground start trunks. PFT sets must be
FCC registered single-line sets.If ground start trunks are used, a ground
start button must be provided at each PFT set....

INSTALLATION
Figure 2-32.10B Emergency Transfer Unit
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INSTALLATION
Figure 2-33.Emergency Transfer Unit Connections
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INSTALLATION
Make Emergency Transfer Connections
Note:The following procedure assumes that the network interfaces
1.
2.
3.
4.
5.
6.
7.
are connected to the 700A jacks and connector 0 of the 3:1
splitter cables has been connected to the jack. See Install
Equipment Room Trunk Cabling in this part.
Connect Trunk Lines From Cabinet to ETU
Using the cable label sheets provided (Figure 2-7), label both ends of
a B25A cable.Use a cabinet number and slot number (CAB1
SLOT8, for example) and the label SWITCH...

INSTALLATION
8.
9.
10.
11.
12.
13.
Connect a 25-pair plug on octopus cable to the SIP receptacle on
the ETU.
Mount the octopus cable on the 50A Fanning Strip (Figure 2-31).
Connect all eight legs of the octopus cable to adapters (port side) at
the SIP. The first five stations (legs 1 through 5) are the Power
Failure Transfer stations.
Document the connections on the Voice and Data Station Record
Form (Figure 2-26).
Connect ETUs (Optional)
For systems having three or four ETUs connect ETU 1 to ETU 3
using...

INSTALLATION
Install Ground-Start Key
If trunks are ground start (ZTN76 used), a ground-start key must be installed
on the Power Failure Transfer voice terminals. This key can only be installed
on voice terminals that have modular jacks.
1.Unplug modular line cord from voice terminal.
2.Plug KS23566, L1 key into voice terminal line cord jack.
3. Plug line cord into KS23566, L1 key.
KS23566 , L1 KEY
Figure 2-34.Ground Start Key Installation
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INSTALLATION
INSTALL ATTENDANT CONSOLE
Most systems will have one or two attendant consoles. Release 2 Version 1
and Release 3 systems support direct trunk attendant consoles (DTAC) or
switched loop attendant consoles (SLAC). The system can support either
one or two of the DTAC or SLAC consoles but not a combination of DTACs
and SLACs. The installation procedures for the DTAC and SLAC are the
same.
The primary (or first) attendant console is a DTAC and is located (by default
translation) at the first...

INSTALLATION
Figure 2-35.Attendant Console With DXS Console
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INSTALLATION
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
lf a DXS is supplied, place it beside the attendant console. For
locally powered DXS, do Steps 5 through 8. For remotely powered
DXS, do Steps 9 through 13.
Locally Powered DXS
Plug the 400B2 Adapter into the wall jack.
Plug one end of the D6AP-87 Cord into the 6-conductor modular jack
of the 400B2 Adapter; plug the other end into the KS-22911, L1
power supply.
Plug one end
of the 400B2
the bottom ofof the second
Adapter; plugthe DXS.
D8W-87 Cord
the other...