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3.3.1
FIXED BAUD RATE OF 55.8KHZ
3.3.1 A
CONFIGURING PORT AS MODEM
16 15 14 13 12 11 10
TTFTTffl
1 2
3
4 5 6
7
Figure 3-13
North Star HSIO-4
To configure an individual port for
synchronous operation at a single fixed baud
rate of 55.8KHZ, make the following changes:
Please Note:
configured for synchronous operation, it must
also be configured to simulate either a modem
or a terminal. To determine whether your
particular application requires the MODEM or
TERMINAL configuration, consult Section 3.1.1.
(FIXED BAUD RATE)
Disconnect the links between pins 7 and 10
and between pin 8 and 9 on the
9
Configuration Header.
8
2.
Take an 8-pin shunt and install it, with
all four links connected (as shown in
Figure 3-14), in the Clock Header socket.
At the same time that a port is
8
7
6 5
1 2
3
4
Figure 3-14
39
User/Technical Manual
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