Communication solutions for power utilities
1U SHELF TYPE MAS-2
WITH ASYNCHRONOUS PROGRAMMABLE MODEM MAFP - Rev. 9 (January 2018)
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Microswitch 5:
Data-loop selection.
ON
Data loop
OFF
Normal operation
Microswitch 6:
Line-loop selection.
ON
Line loop
OFF
Normal operation
Microswitch 7:
Selection of RTS-signal activation.
ON
Permanently
OFF
According to interface
Microswitch 8:
Selection of reception-blocking condition.
ON
Permanent
OFF
By means of CD signal (carrier loss)
Microswitches 9 and 10:
Selection for sending of test signals and normal operation.
In all the test conditions the RTS signal is generated
internally and continuously. Configurating the microswitches
as indicated in Table 3 it is possible to continuously send a
logical level "1", level "0" or both alternately. Normal
operation corresponds to microswitch 9 in OFF and
microswitch 10 in OFF.
Microswitch
Description
9
10
OFF
OFF
Normal operation
ON
OFF
Continuous sending of a logical level "1"
OFF
ON
Continuous sending of alternate sequence of "0" and "1"
ON
ON
Continuous sending of a logical level "0"
Table 3 Test signals