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Chapter 3. Operation
61175408L1 Quad FXS Voice Module User Manual 3-5
QUAD FXS VOICE MODULE TEST OPTIONS
PRT
Identifies the port involved.
TEST
To initiate a module test, scroll to the T
EST
column and press
Enter
.Options
are detailed below.
D
IGITAL
L
OOPBACK
T
EST
The Digital Loopback Test is used to loop back DS0 data coming from the
network for each channel. Received data is latched In on the appropriate re-
ceive time slot on the receive bus. This data is then placed on the transmit
bus in the unit’s transmit time slot.
N
ETWORK
O
N
-
H
OOK
/O
FF
-
H
OOK
T
EST
The Network On-Hook/Off-Hook Test is used to test signalling sent to the
network by the unit. When On-Hook Test is selected, On-Hook signalling is
sent to the network. When Off-Hook Test is selected, Off-Hook signalling is
sent to the network. The customer loop is forced On-Hook while this test is
active.
1004 H
Z
-
0
DBM
0T
ONE
G
ENERATION
T
EST
The 1004 Hz- 0dbm0Tone Generation Testis usedto sendDRS signalon the
receive path to the loop. The loop receive level that should be received is de-
termined by the following equation:
Receive Level = 0 dB - Attenuation
C
USTOMER
R
ING
T
EST
The Customer RingTest willactivate the unit’s ring relay ina 2-on/4-off ring
cadence, providing ringing to the customer loop.
TEST STATUS
Tells whether a test is in progress.
QUAD FXS VOICE MODULE STATUS OPTIONS
The transmit and receive signalling bits are shown in the S
TATUS
menu of
the Quad FXS module.
TA 850 FEATURES USED WITH QUAD FXS VOICE MODULE
OPTIONS
Two additional TA 850 menu items can operate in conjunction with the
Quad FXS Voice Module: F
ACTORY
R
ESTORE
and R
UN
S
ELFTEST
.
Factory Restore
YoucanrestorethefactorydefaultsettingsforaQuadFXSVoiceModuleby
pressing F whilethecursorisovertheSLT
number (this action restores the