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A.4 EXTENSION DISTANCE AND RATE
• 2.3 Mbps (Model 2156) or 4.6 Mbps speed (Model 2157)
• Distances up to 30,000 ft (9,144 m) on 24 AWG (0.4 mm) wire
• Auto-adjusting rate picks best rate for a given extension distance (see
tables below)
Table 2:
Model 2156 Extension Distances
Line
Rate
No Noise
26g (0.4 mm) 24g (0.5 mm) 22g (0.6 mm) 20g (0.8 mm) 19g (0.9 mm)
kbps miles km miles km miles km miles km miles km
200
4.4 7.0 5.7 9.4 8.0 13.1 10.3 16.8 12.1 19.7
392 4.0 6.6 5.4 8.8 7.5 12.3 9.7 15.8 10.8 17.5
520 3.8 6.2 5.1 8.3 7.1 11.6 9.2 14.9 9.7 15.8
776 3.5 5.6 4.6 7.5 6.0 9.8 7.8 12.7 8.8 14.3
1160 3.0 4.9 4.0 6.4 5.2 8.4 6.7 11.0 7.5 12.3
1544 2.8 4.6 3.7 6.1 4.9 7.9 6.4 10.3 6.7 11.0
2056 2.5 4.0 3.3 5.3 4.2 6.9 5.6 9.0 5.9 9.6
2312 2.3 3.8 3.1 5.0 4.0 6.6 5.3 8.6 5.6 9.1
Table 3:
Model 2157 Extension Distances
Line
Rate
No Noise
26g (0.4 mm) 24g (0.5 mm) 22g (0.6 mm) 20g (0.8 mm) 19g (0.9 mm)
kbps miles km miles km miles km miles km miles km
200
4.4 7.0 5.7 9.4 8.0 13.1 10.3 16.8 12.1 19.7
392 4.0 6.6 5.4 8.8 7.5 12.3 9.7 15.8 10.8 17.5
520 3.8 6.2 5.1 8.3 7.1 11.6 9.2 14.9 9.7 15.8
776 3.5 5.6 4.6 7.5 6.0 9.8 7.8 12.7 8.8 14.3
1160 3.0 4.9 4.0 6.4 5.2 8.4 6.7 11.0 7.5 12.3
1544 2.8 4.6 3.7 6.1 4.9 7.9 6.4 10.3 6.7 11.0
2056 2.5 4.0 3.3 5.3 4.2 6.9 5.6 9.0 5.9 9.6
2312 2.3 3.8 3.1 5.0 4.0 6.6 5.3 8.6 5.6 9.1
2696 2.3 3.7 3.0 5.0 4.0 6.4 5.2 8.4 5.5 8.9
3080 2.2 3.6 3.0 4.8 3.9 6.3 5.0 8.2 5.4 8.7
3464 2.1 3.4 2.7 4.5 3.6 5.8 4.7 7.6 4.9 8.0
3848 1.9 3.1 2.5 4.1 3.3 5.3 4.3 7.0 4.5 7.4
4232 1.7 2.8 2.3 3.7 2.9 4.8 3.9 6.3 4.1 6.6
4616 1.5 2.5 2.0 3.3 2.6 4.2 3.4 5.5 3.6 5.9