User Manual

Fr ame P ower Down & P ower -Up Procedures Chapter 2: R eference Procedures P erformed A t B T S Site
Procedure 2 -2 P owering Up the Fr ame
A T THE BTS SITE
1
F or a +27 V DC powered UBS Macro frame, set the facility circuit breaker
controlling external +27 V DC power to the frame to the ON position.
F or a — 48 V DC powered UBS Macro frame, set the facility circuit breaker
controlling external 48 V DC power to the PSM to the ON position.
F or an AC powered UBS Macro frame, set the facility circuit breaker controlling
external AC power to the PSM to the ON position.
2
On the PDU , set the S SI circuit breakers to the ON position.
3
Check that the ST A TUS LED on the front panel of the each S SI is lighted.
4
F or BTSs with more than one DMI, during troubleshooting or for forcing one
DMI to synchronize code and data with the other DMI, it may be desired to
bring up a particular DMI as the site master . In this case, power up the DMI
that should be site master first, wait 1 minute, and then power up the other
DMI that should be non-site master . The non-site master DMI will synchronize
its code load and base file with the site master DMI.
On the PDU , set the DMI circuit breakers for all of the equipped DMIs to the ON position.
Circuit breakers for any DMIs that are not equipped, should be set to the OFF position.
5
Check that the ST LED on the front panel of each DMI is lighted.
6
Confirm that the DMI fans are on and operating by listening for fan motor hum and
feeling that air is being exhausted from the rear of the DMIs.
7
On the PDU , set the XMI circuit breakers to the ON position. There may be up to four
XMI circuit breakers; XMI 1 through XMI 4. Circuit breakers for any XMIs that are not
equipped, should be set to the OFF position.
8
Check that the ST/ALM LED on the front panel of each the XMI is lighted. Confirm that
the XMI fans are on and operating by listening for fan motor hum and feeling that air is
being exhausted from the rear of the XMI.
9
On the PDU , set the ACC circuit breakers to the ON position only if there are accessories
connected to the PDU otherwise set these breakers to the OFF position.
10
If the BTS site is equipped with backup batteries, set all battery circuit breakers to the
ON position.
A fter powering up the frame, perform the steps in Procedure 3 -3 Restore site
signaling operations procedure for a packet BTS on page 3 - 10 .
2 -4 68P09283A64 -3
FOA SEP 2007