3 Board
M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
3-46
Huawei Technologies Proprietary
Issue 01 (2006-11-18)
Figure 3-32
PWB layout of the BTS3006A
O N
SWK
1 2 3 4
!
DIP switch settings of the PWB are finished before delivery. Therefore, do not change the
settings unless necessary.
!
The PWB is the backplane of common resource subrack. Its DIP switch is behind the PSU.
It can be seen after the PSU is removed.
lists the function of the DIP switch on PWB.
Table 3-24
PWB DIP switch
DIP
Switch
DIP Bit
Function Setting Method
SWK 4
Indicates
cabinet
number:
0–7
OFF: 0; ON: 1
The binary bits are used to indicate the cabinet
number: Bit 4 is MSB (high bit); Bit 1 is LSB (low
bit);
If cabinet number is 5 (0101), the DIP switch setting
is:
Bit 4: OFF; Bit 3: ON; Bit 2: OFF; Bit 1: ON.