Meridian America 21 Manual De Usuario

PRACTICE 553-2201-182

Table 2-C
RETURN LOSS (Design Requirements)

CONNECTION

E C H O

RETURN

LOSS

SFRL LOSS

Line Interfaces:

Line Side (Note

4W Trunk Side (Note

2W Trunk Interfaces:

2W Trunk Side (Note
4W Trunk Side (Note

The design requirements in this table are intended to ensure the
satisfaction of the in-service requirements in Table 2-D.

Note 1:

Terminating impedances

are:

Note

2: Terminating

impedances are:

for SL-1 line

. .

and 2.16

for PBX.

for SL-1 line

600 or

and 2.16

for

PBX line.

. .

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