Cisco CX-FEIP-1TX= Installation and con?guration Guida Utente Pagina 388

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Testing the ODU and IF cable Chapter 5: Installation
5-66
phn-2513_004v000 (Oct 2012)
Expected cable loss
Table 215 quotes the expected cable loss for given cable lengths when the ODU is not
connected. All loss figures have a tolerance of plus or minus 10%, for example, 1.76 dB
means that the loss is expected to be between 1.58 and 1.94 dB.
Table 215 Expected cable loss when ODU is not connected
Cable
Length
(meters)
Cable Loss
(+/- 10%) at
350 MHz (dB)
Cable Loss (+/- 10%) with two
Lightning Protection Units fitted,
at 350 MHz (dB)
1 0.08 0.3
2 0.15 0.37
3 0.23 0.45
4 0.31 0.53
5 0.39 0.61
6 0.46 0.68
7 0.54 0.76
8 0.62 0.84
9 0.69 0.91
10 0.77 0.99
20 1.54 1.76
30 2.31 2.53
40 3.08 3.3
50 3.85 4.1
100 7.7 7.92
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