Impulse 7205 Instrukcja Użytkownika Pobierz pdf (Strona 12)

Technical Description

Sealevel Systems ULTRA COMM+2.LPCI Page 9

DB-25M (Card Edge Connector)

RS-232 RS-422/485 Port 1 Pin # Port 2 Pin #

RD RD- 1 11

CTS CTS- 2 12

DCD RD+ 3 13

TD TD- 4 14

RTS RTS- 5 15

DSR RTS+ 6 16

DTR TD+ 7 17

RI CTS+ 8 18

GND GND 9 10

Baud Rates and Oscillator Value

The following table shows some common data rates and the rates you should choose to achieve them when using

the ULTRA COMM+2.LPCI. If the O/S of choice is Windows 95/98/ME/2000/NT/XP, the oscillator value

(14.7456 MHz) will be automatically entered into the ‘Advanced Tab’ on 95/98/Me/2000/XP Device Manager

applet. When using Windows NT, the ‘Advanced Ports’ applet in the Control Panel should be launched and the

oscillator value may be entered in the ‘Advanced Tab’. When using any other OS (i.e. Linux, or QNX) the

following tables should be used.

For this Data Rate Choose this Data Rate

1200 bps 150 bps

2400 bps 300 bps

4800 bps 600 bps

9600 bps 1200 bps

19.2K bps 2400 bps

57.6 K bps 4800 bps

115.2 K bps 14.4K bps

230.4K bps 28.8K bps

460.8K bps 57.6 K bps

921.6K bps 115.2 K bps

If your communications package allows the use of Baud rate divisors, choose the appropriate divisor from the

following table:

For this Data Rate Choose this Divisor

1200 bps 768

2400 bps 384

4800 bps 192

9600 bps 96

19.2K bps 48

38.4K bps 24

57.6K bps 12

115.2K bps 8

230.4K bps 4

460.8K bps 2

921.6K bps 1

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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