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BTS3900C (Ver.C)
Hardware Description
DIP Switch
The WMPT has two DIP switches: SW1 and SW2. SW1 is used to set the work mode of the E1/
T1 signal cable, and SW2 is used to set the resistance of the four E1/T1 signal cables in different
modes.
Figure 3-19 DIP switch settings of the WMPT
Table 3-19
Table 3-19 Settings of the DIP switch SW1 on the WMPT
DIP
Switch
SW1
Issue 03 (2013-05-27)
NOTE
(1) Before accessing the base station through the ETH port, ensure that an OM port has been opened and
the user has obtained required authorities for accessing the base station through the OM port.
(2) The TST port is used for commissioning the base station rather than importing or exporting the base
station configuration.
(3) The security of the USB port is ensured by encryption.
Figure 3-19
shows the DIP switch settings of the WMPT.
and
Table 3-20
DIP Status
1
ON
OFF
ON
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
list the DIP switch settings of the WMPT.
2
3
ON
OFF
OFF
ON
ON
ON
3 BTS3900C Modules
Description
4
OFF
T1
ON
The E1
resistance is
set to 120
ohm.
ON
The E1
resistance is
set to 75 ohm.
42
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