User Manual

1X UBS Macro B T S FRU UBS Macro B T S FRU R eplacement Preview
Table 1 -2 FRU replacement conditions and sequence (Continued)
FRU Location Replacement conditions and sequence
6. F or a BTS with one DMI, Restore signaling to Site .
F or a BTS with more than one DMI, Unlock DMI
CDMA 1X
Modem Board
- OR -
CDMA EV -DO
Modem Board
Inside DMI FRU is non-redundant.
1. Display BTS EID information to determine model
numbers of the failed DMI and its modem board(s).
2. F or a BTS with one DMI, Shut down signaling to Site .
F or a BTS with more than one DMI:
Status affected DMI to determine if Site Master
or not
If Site Master , Reset DMI and then Lock DMI
If not Site Master , Lock DMI
3. Shutdown DC input power to DMI
4. Remove affected DMI assembly from UBS Macro BTS
frame
5. Replace Modem Board
6. Install affected DMI assembly into UBS Macro BTS
frame
7. Apply DC input power to DMI
8. F or a BTS with one DMI, Restore signaling to Site .
F or a BTS with more than one DMI, Unlock DMI
RX Splitter UBS Macro frame FRU is passive; handles EXP (expansion) RX main & diversity
antenna paths.
• Lock XMIs
• Replace FRU
• Unlock XMIs
• RS SI test affected RX paths at next maintenance
window; reoptimize as required
PDU (P ower
Distribution
Unit)
UBS Macro frame
1. Shut down signaling to Site and then power down the
frame
2. Replace FRU
3. P ower up the frame
4. Restore signaling to Site
Continued
68P09283A64 -3 1 -13
FOA SEP 2007