M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
3 Board
Issue 01 (2006-11-18)
Huawei Technologies Proprietary
3-67
Figure 3-44
PAT layout
SW6-4
SW6-3
SW6-2
SW6-1
S3
S2
J18
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3
lists functions of jumpers and DIP switches.
Table 3-38
PAT DIP switches and jumpers
DIP Switch
or Jumper
Function
Default
Setting
S2
Board ID, Bit 1–4 valid. Bit 1 is the lowest, Bit 4 is the
highest, binary;
ON: 0
OFF: 1
If all the four bits are 0, S2 indicates 16.
Bit 5–8 invalid.
All OFF
S3 ON:
Grounded
Bit 1: The fourth E1 receiving port grounded;
Bit 2: The third E1 receiving port grounded;
Bit 3: The second E1 receiving port grounded;
Bit 4: The first E1 receiving port grounded;
Bit 5: The fourth E1 transmitting port grounded;
Bit 6: The third E1 transmitting port grounded;
Bit 7: The second E1 transmitting port grounded;
Bit 8: The first E1 transmitting port grounded.
All OFF
