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9
14
2
8,8
2153
1523
1077
681
482
16
1,3
14
1707
1207
854
540
382
18
0,9
21
1394
986
697
441
312
20
0,6
34
1096
775
548
346
245
22
0,35
52
886
626
443
280
198
24
0,2
85
693
490
346
219
155
Table 2 - Length/Capacity of LONWORKS
Data Cables (m)
The FTT10A Echelon
v1.2 User Guide recommends the cables
indicated in Table 3
Producer and Model
AWG
Bus
Connection
Maximum total
length [m]
Free topology
Connection
Maximum node-
node length. [m]
Free topology
Connection
Maximum
total wire
length. [m]
Belden 85102
16
2700
500
500
Belden 8471
16
2700
400
500
Level IV (twisted-pair,
typically solid and
unshielded)
22
1400
400
500
JY (St) 2x2x0.8 (4-
wire helical twist, solid
shielded)
20
900
320
500
TIA Cat5
/
900
250
450
Table 3 - Recommended LONWORKS
Cables