
D.2.4 Link Options
PCB links enable you to make the appropriate connections for your
operating mode.
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POSITION 1
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POSITION 2
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a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
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a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
Link boxes are drawn on the PCB as
but the positions are not
marked. The link positions are:
Links 1, 2, 3, 4, 8, 12, and 13 are for factory use only and must not be
changed.
Link 12 must be in position 1 to enable Battery Back-up.
Link 5 must be in position 1 to enable Watchdog Function.
Link 10:
Test indicate on pin 25. Not fitted (default).
Position 1 – AL on Pin 18. Pin 25 is 'Test Indicator' output.
Position 2 – Busy out on Pin 25. This link does not affect busy out
using the front panel buttons.
Link 9:
Pin 23 disconnected. Not fitted (default).
Position 1 – AL on Pin 18. Pin 25 is 'Test Indicator' output.
Position 2 – Busy out on Pin 25.
Links 6 and 7: Command acceptance.
Position 1 – Commands accepted at pins 14 and 16 of the DTE
interface and the command port.
Position 2 – Commands accepted only at the command port.
Links 2 and 3:
Telephone Socket Option.
Position 1 – Telephone socket in parallel with the line.
Position 2 – Switched socket (default). The socket is normally
connected to the line, but is disconnected when the modem
is on-line. Position 2 is for normal operation. It is
provided as copper track on the circuit side of the board.
X460-306851 Issue 1
D-4
Rev.1
Summary of Contents for Mayze 24
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