DK40 Universal Slot PCBs
PIOU, PIOUS Option Interface Units
3-12
Strata DK40 I&M Manual Spring 1999
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
5. Refer to the Strata DK40 Programming Manual and turn LED 14 on in Program 77-1 to
enable IMDU operation.
Note
The IMDU default station intercom or [DN] is #19.
6. Apply firm, even pressure to the IMDU to ensure proper mating of connectors.
7. Set the SW2 baud rate switch on the front panel to 300 or 1200, as appropriate, after the
PCB has been installed in the KSU/cabinet (in for 300 bps, out for 1200 bps).
Note
Refer to Chapter 6 – Peripheral Installation for external option installation
procedures.
PIOU, PIOUS Installation
1. Ensure that the PIOU or PIOUS has been configured for the appropriate hardware
options. (Refer to Chapter 6 – Peripheral Installation for more details.)
2. Ensure that P15 has been set to A law operation and not Mu law operation.
CAUTION!
The default setting for this PCB is Mu law. This must be changed to A law
for correct operation in the UK.
3. Insert the PIOU or PIOUS (component side facing right) into the last slot of the
Expansion cabinet. Apply firm, even pressure to ensure proper mating of connectors.
Note
In DK40, PIOU or PIOUS can be installed in any available Expansion KSU.
4. After installing the PIOU or PIOUS, gently pull the PCB outward. If the connectors are
properly mated, a slight resistance is felt.
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