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Micromod MOD: 1731N ICN Mini-Link Users Guide User Manual

Page 16

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IB-23C003

INSTALLATION

Hardware Interrupts and Polarity for PC/AT Serial Port
The Mini Link hardware interrupt levels may be set as shown in Table 2-3. Interrupt
polarity is set as shown in Table 2-4.

Table 2-3. Mini Link Hardware Interrupts

Interrupt

Level

Jumper IN

W15

W16

W17

W18

W19

IRQ3

Y

N

N

N

N

IRQ4

N

Y

N

N

N

IRQ5

N

N

Y

N

N

IRQ6

N

N

N

Y

N

IRQ7

N

N

N

N

Y

Table 2-4. Mini Link Interrupt Polarity

* In most applications, the personal computer requires the factory set Interrupt Polarity of Logic 1.

Interrupt

Polarity

Jumper IN

W20

W21

Logic 1*

Y

N

Logic 0

N

Y

BAUD Rates for Serial Ports 1 and 2
The Mini Link BAUD rates may be set as shown in Table 2-5 for serial port 1 and inTable
2-6 for serial port 2.

Table 2-5. Mini Link PC/AT Serial Port Baud Rates

* Not recommended for use with currently available software.

BAUD

Jumper IN

W3

W4

W5

W6

W7

76800*

Y

N

N

N

N

38400*

N

Y

N

N

N

19200

N

N

Y

N

N

9600

N

N

N

Y

N

2-4