3 Board
M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
3-36
Huawei Technologies Proprietary
Issue 01 (2006-11-18)
Table 3-19
O2TCB DIP switch
DIP
Switch
DIP Bit
Function
Setting Method
S1
4
Indicates product feature
number:
BTS30=0000
BTS312=0001
BTS3006A=0110
BTS3012A (air
conditioner A)=0100
BTS3012A (heat
exchange A)=0101
OFF: 1
ON: 0
The binary bits are used to indicate the
cabinet number: Bit 1 is the most
significant bit (MSB) (high bit); Bit 4 is
the least significant bit (LSB) (low bit).
For the BTS312, the DIP switch
settings are as follows:
!
Bit 1: ON
!
Bit 2: ON
!
Bit 3: ON
!
Bit 4: OFF
S2 8 ABB
configuration
selection
All ON: The ABB is configured.
All OFF: The ABB is not configured.
S3 8 ABB
configuration
selection
All ON: The ABB is configured.
All OFF: The ABB is not configured.
S4 8 ABB
configuration
selection
All ON: The ABB is configured.
All OFF: The ABB is not configured.
S5 8 ABB
configuration
selection
All ON: The ABB is configured.
All OFF: The ABB is not configured.
S6
4
Storage battery type
selection, cabinet
hardware version flag
and the offset switch of
CBUS1
Bit 1 of DIP switch represents the
battery type: ON is for normal
temperature storage and OFF is for low
temperature storage battery.
Bit 2 of DIP switch is a cabinet
hardware version flag where OFF
means the cabinet of VER.A.
The third and forth bits represent the
offset of CBUS1 where ON is for the
primary cabinet and OFF is for the
secondary cabinet.