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Tests
SD
OH
SD
OH
TM
ST
AL
ST
AL
Dual
V.34
Figure 6-3
060R122-000
Issue 15
3.
If the timer (S-Register 18) is set to a non-zero
value, the test terminates automatically when
the timer expires (10-second increments).
ON
RD
M
O
D
CO
E
M
TR
DTE
HELLO
INTER-
A
FACE
........
.......
RD
M
O
D
CO
E
M
TR
B
ALM
2. The TM LED flashes while it is setting up the
test, then lights while the test is running. It
flashes each time an error is detected.
A
1. To start the test, press AL, then press ST.
4. To end the test, press AL again.
B
Analog Loopback with Self-Test (Modem A)
SpectraComm Dual V.34 Modem
Installation and Operation
Analog Loopback with Self-Test
PATTERN
GENERATOR
TX
TX
DRIVER
LOGIC
Communications
Self-Test
ANALOOP
Line
ANALOG
RX
LOGIC
RECEIVER
ERROR
DETECTOR
6-5
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