
Chapter 14. Testing
14-6 Express 5210 User Manual 61200208L1-1
Voice Interface (Voice)
Selecting
V
OICE
I
NTERFACE
from the
T
EST
menu allows you to test
the voice connection. The tests described in this section are
illustrated in Figure 14-4 on page 14-7. Voice testing is only
applicable when an optional voice card is installed in the
Express 5210.
Lines 1 and 2
Select
V
OICE
from the
T
EST
menu, and then select
L
INE
1
or
2
to
view the options to perform loopback tests, transmit a test tone, or
initiate a ring test.
Ring Test
This command cycles the ring generator in a standard 2sec/4sec
pattern. This test is applicable for the FXS voice card only. If Unit 2
(shown in Figure 14-4) is set to
R
ING
T
EST
, then Phone 2 rings. A
call does not have to be up to perform this test.
Loopback
If Unit 1 (shown in Figure 14-4) is set to
L
OOPBACK
, then you can
hear yourself on Phone 1. A call does not have to be up to perform
this test. Choose either a
PCM
or
C
ODER
loopback test (or choose
to
D
ISABLE
this option). The selections are described in the
following chart:
PCM
This test loops the analog channel before the com-
pression/decompression is performed.
Coder
This test loops the analog channel after compres-
sion/decompression is performed.
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