User's Manual

Initial Power Up – continued

08/01/2001

2-5

1X SCt4812ET Lite BTS Optimization/ATP

PRELIMINARY

Table 2-2: Initial Inspection and Setup

Step Action

3 Confirm that the Meter Alarm Panel (MAP) POWER switch and all LEDs (Figure 2-9) are OFF. If

any LEDs are lighted, re–check and turn OFF all battery shelf circuit breakers.

4 If a heat source was placed in the RF compartment to prevent condensation prior to BTS power–up,

turn off the heat source and remove it and any associated cabling from the BTS before proceeding.

5 Confirm that the external 220 Vac supply is correctly connected to the ACLC input by performing the

procedure in Table 2-4.

Figure 2-3: Frame Power Subassemblies, North American and

International Cabinets

LPAs

SCCP Fans

RFDS

SCCP Shelf

ETIB

Meter Alarm

Panel (MAP)

With TCU

AC Rectifiers

DC PDA

Backup Batteries

(Heaters underneath batteries)

External Blower

Assembly

SC4812ETL0002–3

Battery Shelf

Circuit Breakers

(Between Bus Bar

and Cabinet Wall)

Utility

Outlet

ACLC Circuit Breaker

Access Door

NOTE:

GFCI capability is built into the Utility Outlet of the North American Cabinet.

GFCI capability is built into the circuit breakers of the International Cabinet