Westermo LD-64 - Manual (Page 18)

18 6073-2002
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10 10 10 11 11 11 9
Supervision table when selecting data bits
7 bits
8 bits
No parity
Parity
1 stop bit
2 stop bits
Number of bits
ON
1 2 3 4 5
ON
1 2 3 4 5
ON
1 2 3 4 5
Termination with fail-safe
Termination (2-wire) S2
Termination (4-wire) S2
No termination S2
Transmitted power channel 1
Low S2
High S2
Transmitted power channel 2
Low
Normally high power is used. Low power is used with fiber
lengths shorter than 100 m. S3: 2–4 not used
The fail-safe function forces the signal state of the receiver
to OFF when the connected transmitter is in tri-state
(transmitter inactive). The receiver located furthest away
shall be terminated.
S3
High S3
ON
1 2 3 4
ON
1 2 3 4
1
2
3
4
5
6
7
8
9
S2:1-5 S1:1-9
S3:4-1
ON
1 2 3 4 5
ON
1 2 3 4 5
Factory settings
S1
ON
1 2 3 4 5 6 7 8 9
S3
ON
1 2 3 4
S2
ON
1 2 3 4 5
Normally high power is used. Low power is used with fiber
lengths shorter than 100 m.