Communication solutions for power utilities
1U SHELF TYPE MAS-2
WITH ASYNCHRONOUS PROGRAMMABLE MODEM MAFP - Rev. 9 (January 2018)
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4
COMMISSIONING
This section deals with the functions of the elements accessible from the front plate as well
as the internal microswitches and jumpers, all of which are necessary in order to carry out
commissioning, supervision and maintenance. Finally, some indications relative to the
adjustment of the modem are given. The front view of the modem is shown in Figure 20.
4.1
FRONT-PLATE ELEMENTS
All the accessible front-plate elements are described below.
4.1.1
CONFIGURATION microswitch
Microswitch 1:
Selection of the operation mode.
ON
Full-duplex transmission
OFF
Half-duplex transmission
Microswitches 2, 3 and 4:
Delay selection between the RTS and CTS signals.
Microswitch
RTS-CTS delay (ms)
2
3
4
50, 100 and 200 bit/s
600, 1200 and
2400 bit/s
ON
ON
ON
30
10
OFF
ON
ON
60
20
ON
OFF
ON
90
30
OFF
OFF
ON
120
40
ON
ON
OFF
150
50
OFF
ON
OFF
180
60
ON
OFF
OFF
210
70
OFF
OFF
OFF
240
80
Table 2 Delay between RTS and CTS