363-205-401
Conversions: NTP-005
Issue 7, March 1997
Page 1 of 2
Convert Series 5 RT from Feature Package B Mode 2
to Feature Package B Mode 1
DO ITEMS BELOW IN ORDER LISTED
FOR DETAILS, GO TO
1.
This procedure assumes the following:
• That new digital line installation is completed for the B and D
digroups.
• That preservice tests have been completed and the digital
facility is operating properly. (AT&T 363-200-100 TOP con-
tains digital line preservice tests.)
• That proper connections have been made to the digital facility
at both the RT and central office.
2.
Establish communication with central office personnel.
DLP-507
3.
Set LIU options (any version LIU can be used), with Z line coding,
on two LIU circuit packs but do not install the LIUs.
4.
NOTE:
When an LIU is installed in the B or D LIU slot of an FPB
Mode 2 RT, the FAIL indicator will light because the RT is
configured for Mode 2 operation and these LIU slots should
not be equipped. If the LIU is functioning properly, the FAIL
indicator will go off while the ADU LED TEST button is
pressed.
Install LIU in LIU B slot and verify the FAIL indicator lights. Then
press and hold the ADU LED TEST button and verify the LIU
FAIL indicator goes off. If either of the above indications do not
happen, replace LIU.
5.
Install LIU in LIU D slot and verify the FAIL indicator lights. Then
press and hold the ADU LED TEST button and verify the LIU
FAIL indicator goes off. If either of the above indications do not
happen, replace LIU.
