NOTE
Bits 3 and 4 of
S1
should be kept the factory-delivered configuration, without any manual setting on site.
The out-of-factory state should be OFF. If the bits are ON, set them to OFF.
Table 3-36
Description on
S2
DIP
Switch
DIP Setting
Description
1
2
3
4
S2
OFF
OFF
OFF
OFF
All the bits are set to
OFF by default in all
modes.
ON
ON
ON
ON
When error codes are
received over the four
E1 RX links in 75 ohm,
all the bits of S2 must
be set to ON to rectify
the faults on the E1
links.
Others
Unavailable
Table 3-37
Description on
S4
DIP
Switch
DIP Setting
Description
1
2
3
4
S4
ON
ON
ON
ON
Supporting E1 bypass
OFF
OFF
OFF
OFF
Not supporting E1
bypass
Others
Unavailable
Table 3-38
Description on
S5
DIP
Switch
DIP Setting
Description
1
2
3
4
S5
ON
ON
ON
ON
Not supporting E1
bypass
OFF
ON
ON
OFF
Supporting E1 bypass
of level-1 cascaded
base stations
BTS3900C (Ver.C)
Hardware Description
3 BTS3900C Modules
Issue 03 (2013-05-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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