Dip Switch; Figure 3-36 Tcu Layout; Table 3-27 Description Of The Tcu Dip Switch - Huawei BTS3 Series Hardware Description Manual

3 Board

3.16.2 DIP Switch

Figure 3-36

Figure 3-36 TCU layout

Table 3-27

Table 3-27 Description of the TCU DIP switch

DIP
Switch
S1
3-50
shows the layout of DIP switches.
shows the description of the TCU DIP switch S1.
Function DIP
Bit
Driving of Bit 1
the BTS
clock
enabled and
matching
setting of
CBUS1
Bit 2
Huawei Technologies Proprietary
M900/M1800 BTS3X Series Base Transceiver Station
ON
1 2 3 4
S1
Setting Method
Bit 1 of DIP switch represents the
matching setting of the combining control
signals CBUS1:
If bit 1 is set to ON, it indicates
!
matching setting.
If bit 1 is set to OFF, it indicates
!
unmatched setting.
If no cabinets are combined, bit 1 must be
set to OFF. If two cabinets are combined,
bit 1 on both cabinets must be set to ON.
If three cabinets are combined, bit 1 of the
two DIP switches of the secondary
cabinets are set to ON, and the bit of the
primary cabinet is set to OFF.
Bit 2 is not used, and needs no setting.
Hardware Description Manual
Default
Setting
OFF
OFF
Issue 01 (2006-11-18)