Specifications

39
Table 4-1 (continued). Controls and indicators.
No. Control or Indicator Function
6, 7, 8 MODE indicators The indicator corresponding to the selected
operating mode lights:
INT CONV Interface converter
ELASTIC BUFFER Elastic buffer
MODEM ELIM Modem eliminator
9 RATE selector 16-position rotary data selector, activated via
two buttons. Used only in the modem-eliminator
mode, when operating on the internal clock.
Available rates are marked on the front panel.
4.2 Operating Instructions
4.2.1 P OWER -O N P ROCEDURE
The Modular Modem Eliminator starts operating as soon as AC power is applied.
Always connect the cable first to the Eliminator’s power connector, and then to
the mains outlet.
The PWR indicator and the appropriate MODE indicator light when AC power
is connected.
4.2.2 O PERATING I NSTRUCTIONS
After being prepared according to Chapter 3, the Modem Eliminator operates
unattended. For operation as a modem eliminator with timing provided by the
internal oscillator, you must set the data rate: press the buttons of the RATE
selector until the code corresponding to the desired data rate appears in
the window.
4.2.3 N ORMAL I NDICATIONS
During data transfer, the TD and RD indicators light.
4.2.4 P OWER -O FF P ROCEDURE
Disconnect the AC power cable from the mains outlet.
CHAPTER 4: Operation