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CHAPTER 3: Configuration
Switch S3-4: Topology
Use switch S3-4 to select the topology of the Async/Sync Industrial Line Driver.
S3-4
Setting
On
Point-to-point
On
Master multipoint
Off
Slave multipoint
Switch S3-5: RS-232 Initiation of Local Loopback Test
The setting for switch S3-5 determines whether or not the Async/Sync Industrial
Line Driver local analog loopback test can be initiated by raising pin 18 on the
RS-232 interface.
S3-5
Setting
On
RS-232 initiation enabled
Off
RS-232 initiation disabled
Switch S3-6: RS-232 Initiation of Remote Loopback Test
The setting for switch S3-6 determines whether or not the Async/Sync Industrial
Line Driver remote digital loopback test can be initiated by raising pin 21 on the
RS-232 interface.
S3-6
Setting
On
RS-232 initiation enabled
Off
RS-232 initiation disabled
Switches S3-7 and S3-8: Anti-Stream Control
Switches S3-7 and S3-8 are set in combination to determine the time-out period for
the Line Driver’s anti-stream control timer.
S3-7
S3-8
Setting
Off
Off
Disabled
Off
On
12.5 seconds
On
Off
50 seconds
On
On
12.5 seconds