Nortel Meridian 1 Option 11C, Administration And Maintenance

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Page 172 of 492 Chapter 5 — ISDN BRI line and packet data implementation
553-3011-311 Standard 7.0 May 1999
Table 11
U DSL cable calculations
Item
Gauge
AWG
Insulation type
Loss
dB/km
(dB/kft)
Length
km (kft)
Loss
dB
1 19 PIC 3.3 (1.0)
2 19 PULP 3.6 (1.1)
3 22 PIC 4.6 (1.4)
4 22 PIC 4.9 (1.5)
5 24 PIC 5.9 (1.8)
6 24 PULP 6.3 (1.9)
7 26 PIC or PULP 9.2 (2.8)
8 Customer premises wiring 5.9 (1.8)
9 Local exchange wiring 9.2 (2.8)
10 Bridge tap 1
11 Bridge tap 2
12 Bridge tap 3
13 Bridge tap 4
14 Bridge tap 5
15 Bridge tap 6
Total loss in dB (add items 1 through 15)
Recommended maximum loss = 40 dB