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11.8 SUBRACK ADDRESSING
The subrack address is set up by SW3 and SW4. SW4 sets the binary subrack address
in the range 1 – 99. SW3 sets the 100's group.
11.9 SUBRACK BAUD RATE
This is set SW4 / 8. The default is 19.2K OFF.
11.10 SUBRACK DATA PORTS
When using 2 or 3 HMX32128 subracks, use ports 1, 2 & 3 respectively on your System
Controller. The default baud rate for the subrack is 19.2K, however this can be changed
to 9600bps using DIP switch 4, position 8 on the HMX128 Controller Card.
11.11 ALARM DETECTION MODE
If the optional HMX4248 I/O board is fitted, the alarm detection mode may be switched
between contact closure mode, and end-of-line resistor mode via
Rev. C
e.g.
SW3
-
SW4
-
1 and 3 ON
= subrack address 5
e.g.
SW3
-
SW4
-
= subrack address 208
11-7
ALL OFF
2 ON
4 ON
SW3 / 4.
HMXMU001018
10/06
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