BTS 3900

BTS3900 GSM Hardware Description

3 Cable Connections of the BTS3900

Figure 3-18 Signal cable connections of stacked cabinets (6)

S6

S1.2

S5

S2 S7 RS232

S4 EMU

RS485

S6 S3 S4 S5 S3

UEL P

INSIDE

OUTSIDE

S2

S1

S1.1 RUN ALM

-48V

0V BAT

S7 ON

OFF

RS232/RS422

COM

L1

N1

L2

N2

L3

N3

BAT.(-)

BAT.

LOAD2(-)

LOAD1(-) DC OUTPU T

OFF ON  AC INPU T

0

1 BAT.(+)

RTN(+)

RTN(+)

Table 3-18 describes the signal cable connections of stacked cabinets.

3-30

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Issue 03 (2008-07-15)