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Figure 48, de, Figure 48 – Nortel Networks M3110 User Manual

Page 303

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Digital telephones line engineering

Page 303 of 504

Telephones and Consoles

Description, Installation, and Operation

Figure 48
Maximum allowable impulse noise counts versus loop loss

0

5

10

15

10

100

Loss in dB

Maxim

um allo

wab

le impulse

noise counts per 15 min

utes

1000

10000

Note:

Impulse noise counter weighting is 100 kHz.

Termination is 135 ohms.

553-AAA0658

40 dBrn

44 dBrn

46 dBrn

48 dBrn

52 dBrn