Keymile SUPM1 - Page 15

User Manual
SUPM1
page 15 of 94© KEYMILE December 2015 EN/LZTBU 372 129/1 RC
94
Functions and Specifications
Terminal Balance Return Loss The following test networks are supported. The test network ID
must correspond to the voice impedance ID.
Refer to Q.552; 3.1.8.1; Fig. 10:
Weighted noise Q.552; 3.3.2.1
Total distortion Q.552; 3.3.3; Fig. 14 a, b
Table 5: Voice transmission specification (continued)
Feature Rating or standard
R
S
R
P
C
P
ID R
S
[Ω] R
P
[Ω] C
P
[nF]
a 900 0 -
b 600 0 -
c 600 0 -
d 200 680 100
e 370 620 310
f 220 820 115
g 370 620 310
h 270 750 150