Installation Instructions

1X UBS Macro B T S FRU Modem Boards
Before You Begin
Before you begin, record the pertinent information in the following table (see T able 8 -5 ):
Table 8 -5 Item Number R eplacement List
Item Number
BTS number
DMI number
Modem number
Much of the modem board replacement procedure must be performed in a work area that meets
the criteria described in DMI Preparation Area on page 8 - 10 .
Modem Board Replacement Procedure
Procedure 8 -4 Replacing a Modem Board on page 8 - 23 includes:
1. Removing the affected DMI assembly from the UBS Macro BTS frame.
2. Replacing Modem 1 or Modem 2, whichever is applicable, in the affected DMI assembly .
3. Installing the affected DMI assembly equipped with the replacement modem into the
UBS Macro BTS frame.
Procedure 8 -4 R eplacing a Modem Board
A T THE OMCR
1
Ask the OMCR operator to get the EID information for the
affected DMI by entering the following command at the prompt:
omc-000000> DISPLAY BTS-<bts#>- EID
Observe the displayed response. Record the model number of
the failed DMI and its modem board quantity and model numbers. Modem boards are
designated as HDMODEM. Check values for both HDMODEM numbers (i.e., 1, 2 for
DMI 1 and 21, 22 for DMI 2) on the affected DMI. If an HDMODEM number has a
blank value, then it does not exist.
2
F or a UBS Macro BTS equipped with one DMI, go to step 3 .
F or a UBS Macro BTS equipped with more than one DMI, go to step 4 .
3
Shut down site signaling functions according to Procedure 3-2 Shutdown
site signaling functions procedure for a packet BTS on page 3- 5 .
A fter this step is completed, go to step 8 .
4
Determine if the affected DMI is the Site Master or
not by entering the following command at the prompt:
omc-000000> STATUS DMI-<bts#>-<dmi#>- PHY
Observe the displayed response. SITECTRL=YES means the DMI is Site Master .
SITECTRL=NO means the DMI is not Site Master .
Continued
68P09283A64 -3 8 -23
FOA SEP 2007