ADTRAN Octal E&M, Руководство пользователя

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Chapter 3. Operation
3-6 Octal E&M Module User Manual 61200313L1-1
I
DLE
Trunk not in use.
E-L
EAD
A
SSERTED
Far end seizure.
M-
LEAD
DETECTED
Near end seizure.
C
ALL IN
P
ROGRESS
Trunk in use.
TO Transmission Only mode.
T
EST
E-L
EAD
O
PEN
Force on-hook.
T
EST
E-L
EAD
C
LOSED
Force off-hook.
T
EST
Generic test indicator.
R
X
& T
X
ABCD
Receive and Transmit Signaling bits have local significance only, and repre-
sent E&M signaling between the ATLAS 550 Controller and the voice port.
The bit pattern is formatted
ESF RBS.
T
EST
Displays the test name if the module is executing a test. Press
Enter
in this
field to activate the menu.
T
EST
2W
Activates 2W (E&M) tests on a per-port basis. Test options include O
FF
(no
tests are active), E-
LEAD OPEN
and E-
LEAD CLOSED
. Table 3-1 on page 3-7 dis-
plays the state of the 2W conductors during each test.
The 2W tests disrupt calls in progress.