Technical Specifications
D-2
7520-A2-GB20-20
May 1998
Table D-1.
Model 7520 DSU Technical Specifications (2 of 2)
Item
Specifications
Network Interface
Data rates
LADS data rates
Services supported
2.4, 4.8, 9.6, 19.2, 38.4, and 56 kbps;
64 kbps clear channel (CC)
2.4, 4.8, 9.6, 19.2, 38.4, 56, and 64 kbps
4-wire service
Network Compatibility
ANSI T1.410-1992 and
AT&T Technical Reference
62310-1993
2.4 – 64 kbps meeting desired loop loss
Table D-2.
Model 7520 DSU LADS Connection Distances
Wire Diameter (AWG)
Data Rate
(kbps)
19 Gauge
(.0359
or
.9122 mm)
22 Gauge
(.0253
or
.643 mm)
24 Gauge
(.0201
or
.511 mm)
26 Gauge
(.0159
or
.404 mm)
2.4
20.0 mi
(32.2 km)
16.6 mi
(26.7 km)
12.7 mi
(20.5 km)
9.4 mi
(15.1 km)
4.8
19.4 mi
(31.2 km)
12.7 mi
(20.5 km)
9.6 mi
(15.4 km)
7.1 mi
(11.5 km)
9.6
15.23 mi
(24.51 km)
10.18 mi
(16.39 km)
7.32mi
(11.77 km)
5.87 mi
(9.45 km)
19.2
12.91 mi
(20.78 km)
8.23 mi
(13.25 km)
5.89 mi
(9.49 km)
4.69 mi
(7.55 km)
38.4
11.2 mi
(18.0 km)
6.55 mi
(10.55 km)
4.79 mi
(7.71 km)
3.53 mi
(5.68 km)
56
10.84 mi
(17.45 km)
6.4 mi
(10.3 km)
4.50 mi
7.24 km)
3.34 mi
(5.37 km)
64
10.69 mi
(17.2 km)
6.06 mi
(9.76 km)
4.47 mi
(7.2 km)
3.20 mi
(5.15 km)
Summary of Contents for 7520
Page 1: ...MODEL 7520 DSU USER S GUIDE Document No 7520 A2 GB20 20 May 1998...
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