Figure 5-28 Dip Switches On The Uslp2; Table 5-21 Ports On The Panels Of The Uslp2; Table 5-22 Dip Switches On The Uslp2 - Huawei BTS3900E GSM User Manual

5 BTS3900E Hardware

Table 5-21 Ports on the panels of the USLP2

Port
RJ-45
4-pin
DIP Switch
The USLP2 has two DIP switches, which determine whether the receiving end is grounded. The
DIP switch has four DIP bits.

Figure 5-28 DIP switches on the USLP2

Table 5-22

Table 5-22 DIP switches on the USLP2

DIP
Switch
S1 and S3 ON
5-30
Quantity
2
4
Figure 5-28
describes the DIP switches on the USLP2.
Bit Status
1 2 3
ON ON
OFF OFF OFF
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Connected Cable
Surge protection transfer cable
from the main control board in
the cabinet
Transmission cable from an
external device
shows the DIP switches on the USLP2.
Description
4
ON 75-ohm E1/T1 (unbalanced) surge
protection
OFF 120-ohm E1/T1 (balanced) surge
protection
BTS3900E GSM
User Guide
Issue 01 (2010-01-15)