Bts3900E Cables; Table 5-5 Settings Of The 4-Bit Dip Switch (1); Table 5-6 Settings Of The 4-Bit Dip Switch (2) - Huawei BTS3900E GSM User Manual

5 BTS3900E Hardware
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Table 5-5 Settings of the 4-bit DIP switch (1)

Setting
1
ON
OFF
ON
OFF

Table 5-6 Settings of the 4-bit DIP switch (2)

Bit
3
4

5.2 BTS3900E Cables

The BTS3900E cables are categorized as the PGND cable, power cable, transmission cable,
signal cable, and RF jumper.
5.2.1 List of the BTS3900E Cables
The BTS3900E cables are categorized as the PGND cable, power cable, E1 cable, Ethernet cable,
inter-BTS3900E cable, RF jumper, and alarm cable.
5.2.2 PGND Cable of the BTS3900E
The PGND cable is used to connect the BTS3900E and the grounding bar to ensure the proper
grounding of the BTS3900E.
5.2.3 Power Cable of the BTS3900E
The power cables of the BTS3900E are categorized as the DC power cable and AC power cable.
5.2.4 Transmission Cable of the BTS3900E
The transmission cables of the BTS3900E are categorized as the Ethernet cable, E1 cable, and
inter-BTS3900E signal cable.
5.2.5 Alarm Cable of the BTS3900E
5-8
When bits 1 and 2 are set to ON, bits 3 and 4 can be used to specify the grounding state of
the 75-ohm E1 transmission, as described in
NOTE
After setting the DIP switch, you need to reset the BTS3900E to make the settings take effect.
2
ON
ON
OFF
OFF
Setting
ON
OFF
ON
OFF
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Copyright © Huawei Technologies Co., Ltd.
Table
Description
Basic module, 75-ohm E1 transmission
Basic module, 120-ohm E1 transmission
Basic module, T1 transmission
The BTS3900E module is an extension module.
Description
The second E1, RX grounded
The second E1, RX not grounded
The first E1, RX grounded
The first E1, RX not grounded
BTS3900E GSM
5-6.
Issue 01 (2010-01-15)
User Guide