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Table 1. Daisy-chain FTT Network Bus Topology Transmission Specifications (Doubly Terminated).
Wire/Cable Type (Unshielded)
Honeywell Cable 1125 (stranded non-plenum) 79
Belden 85102 (stranded non-plenum)
Belden 8471 (stranded non-plenum)
Level IV Cable Specifications, 22AWG (solid/
stranded twisted pair)
TIA568A Category 5 24 AWG (twisted pair
solid or stranded, plenum or non-plenum)
NOTES:
—
See Table 2 for singly terminated FTT network bus topology transmission specifications.
—
See Tables 3 and 4 for a list of Honeywell provided FTT daisy-chain and free topology network wire/cables.
—
See the generic cable manufacturer information that meets Echelon LonWorks Bus specifications in Table 5.
Table 2. FTT Network Free Topology Transmission Specifications (Singly Terminated).
Wire/Cable type (Unshielded)
Honeywell Cable 1125 (stranded non-plenum)
Belden 85102 (stranded non-plenum)
Belden 8471 (stranded non-plenum)
Level IV Cable Specifications, 22AWG (solid/stranded twisted pair)
TIA568A Category 5 24 AWG twisted pair (solid or stranded, plenum or
non-plenum)
Table 3. Honeywell Provided Daisy-Chain (Doubly Terminated) FTT Network Wire/Cables.
Wire/Cable Type (Stranded Unshielded)
Honeywell Cable 3252 - plenum (one twisted pair)
Honeywell Cable 3253 - plenum (two twisted pair)
Honeywell Cable 1061 - non-plenum (one twisted pair)
Paige AK3797 - plenum (one twisted pair)
Paige AK3799 - plenum (two twisted pair)
Paige AK3798 - non-plenum (one twisted pair)
Table 4. Honeywell Provided Free Topology (Singly Terminated) FTT Network Wire/Cables.
Wire/Cable Type (Stranded Unshielded)
Honeywell Cable 3252 - plenum (one twisted pair)
Honeywell Cable 3253 - plenum (two twisted pair)
Honeywell Cable 1061 - non-plenum (one twisted pair)
Paige AK3797 - plenum (one twisted pair)
Paige AK3799 - plenum (two twisted pair)
Paige AK3798 - non-plenum (one twisted pair)
NOTE: Honeywell Cable, www.honeywellcable.com, is the recommended manufacturer of network wire.
Cable Parameters
C nF/km Vprop% of c AWG/Dia. RloopW/km
67
16/1.5 mm
56
62
16/1.5 mm
72
55
49
67
22/.34 mm
46
58
24/.27 mm
1640 feet (500 m)
1640 feet (500 m)
1300 feet (400 m)
820 feet (250 m)
Maximum FTT Network Bus Length for Segment(s)
4600 feet (1400 m)
FTT Network Bus
1640 feet (500 m)
3
L
W
® BUS WIRING GUIDELINES
ON
ORKS
Maximum FTT Network Bus
Length for Segment(s)
2
17.9
4600 feet (1400 m)
2
28
8900 feet (2700 m)
2
106
4600 feet (1400 m)
2
168
3000 feet (900 m)
Maximum Length for Segment(s)
Node-to-Node
1640 feet (500 m)
1640 feet (500 m)
1500 feet (450 m)
Maximum Length for Segment(s)
1300 feet (400 m)
FTT Network Bus
Node-to-Node
74-2865—04
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