DCB V.23 Посібник із швидкого старту - Сторінка 6
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4.
CONTROLS AND INDICATORS
4.1
Controls
4.1.1
DIP Switches
The option DIP switches are located on the front of the unit. The
switch functions are as follows:
Switch
1 Reset
2 Anti-Streaming
3 Phase Equalizer
4 Carrier
5 Soft Carrier Turn-off
6 Line Type
7 Tx Level
8 Digital Loop
4.1.2
Loopback Switch
The loopback switch is located on the rear of the modem.
DIP switch position 8 also performs loopback.
4.2
Indicators
Indicator
Condition
POWER
TXD
RXD
RTS
CTS
DCD
TEST
DOWN
OFF
OFF
ON
Constant
disabled
4-wire
-16 dBm
ON
Meaning
ON
Unit has power
ON
Transmitting data
ON
Receiving data
ON
RTS high or forced on (switch 4)
ON
CTS high to terminal
ON
Receiving carrier
ON
Unit is in loopback
UP
ON
ON
OFF
RTS controlled
enabled
2-wire
0 dBm
OFF
6