RAD Data comm ASMi-31 Manuel D’Utilisation
16-03-00 15:51
Controls and Indicators
3-1
Chapter 3
Operation
Operation
This chapter provides the following information for the ASMi-31 standalone
modem:
modem:
•
ASMi-31 front-panel indicators and controls
•
Operating procedures (turn-on, front-panel indications, performance
monitoring and turn-off).
monitoring and turn-off).
Installation procedures given in Chapter 2 must be completed and checked
before attempting to operate ASMi-31.
before attempting to operate ASMi-31.
3.1 Controls and Indicators
Figure 3-1 illustrates the ASMi-31 standalone modem front panel. Table 3-1
lists the functions of the controls and indicators.
lists the functions of the controls and indicators.
PWR RTS
TD
RD
DCD LOS ERR TEST
RESET
Figure 3-1 ASMi-31 Front Panel
Note
In ASMi-31 modem/X.21 RTS LED is equivalent to Control signal (C), and
DCD LED is equivalent to Indication signal (I).
Table 3-1 Front Panel Controls and Indicators
Name
Type
ITU Circuit
Function
RESET
Button
This switch resets the unit; it is used in place of a power switch.
It is not needed for normal operation.
It is not needed for normal operation.
PWR
Green LED
On when ASMi-31 is powered up.
RTS
Yellow LED
105
On when the DTE has emitted an active Request to Send signal
(or Control in X.21).
(or Control in X.21).
TD
Yellow LED
103
On when a steady space is being transmitted.
Blinks when data is transmitted.
Blinks when data is transmitted.
RD
Yellow LED
104
On when a steady space is being received.
Blinks when data is received.
Blinks when data is received.
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