Chapter 6 Network Wiring
162 BMTW-SVN01F-EN
ARCNET Card DIP Switch Settings
The single input coaxial and fiber-optic ARCNET cards have DIP
switches (SW1) that give them a unique ARCNET address. Trane recom-
mends that the ARCNET address setting match the BCU device ID set-
ting.
ARCNET card address DIP switch settings are defined in Table 32.
Table 32. Single Input ARCNET Card Address DIP Switch Settings (for
Trane P/N 4020 1021 and 4020 1110)
Address SW1 DIP Switch Number
1 2 3 4 5 6 7 8
01 OFFononononononon
02 onOFFonononononon
03 OFF OFF on on on on on on
04 ononOFFononononon
05 OFF on OFF on on on on on
06 on OFF OFF on on on on on
07 OFFOFFOFFononononon
08 on on on OFF on on on on
09 OFF on on OFF on on on on
10 on OFF on OFF on on on on
11 OFF OFF on OFF on on on on
12 on on OFF OFF on on on on
13 OFF on OFF OFF on on on on
14 onOFFOFFOFFonononon
15 OFF OFF OFF OFF on on on on
16 on on on on OFF on on on
Note:
• This table defines the first 16 addresses. There is a total of 255 possible addresses.
Recommended BCU ARCNET addresses are 1 through 79. Recommended worksta-
tion ARCNET addresses are 80 through 255.
• Cycle system power to reset the ARCNET configuration.
Cards are marked
with PCX20-CXB
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