B&B Electronics MIPort Universal PCI Cards 3PCIOU1 User manual
Documentation Number: 3PCI-MIport-4004qsg
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NOTE: PDF versions of this Quick Start Guide and the product manual can be
found on the accompanying CD or on B&B Electronics’ website.
International Headquarters
B&B Electronics Mfg. Co. Inc.
707 Dayton Road
Ottawa, IL 61350 USA
Phone (815) 433-5100 -- General Fax (815) 433-5105
Website: www.bb-elec.com
European Headquarters
B&B Electronics Ltd.
Westlink Commercial Park
Oranmore, Co. Galway, Ireland
Phone +353 91-792444 -- Fax +353 91-792445
Website: www.bb-europe.com
Sales e-mail: [email protected]
_______________________
October 2004
Documentation Number: 3PCI-MIport-4004qsg
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MIport Serial Card Quick Start Guide
RS-232/422/485 DIP Switch Settings
RS-422/485 DIP Switch Settings
CAUTION: Make sure computer is unplugged before installing the card.
Name Direction
(DTE)
DB-9M
Pin
Name Direction DB-9M
Pin
DCD Input 1 RD(A) −Input 1
RD Input 2 TD(B) + Output 2
TD Output 3 TD(A) −Output 3
DTR Output 4 GND ------ 5
GND ------ 5 RD(B) + Input 9
DSR Input 6 RS-422/485 Pinout
RTS Output 7
CTS Input 8
RI Input 9
RS-232 Pinout
Documentation Number: 3PCI-MIport-4004qsg
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Setting Send Data/RTS Control
1. From the Windows Desktop, click Start Settings Control Panel
System
2. On the System Properties dialogue box, (click the Hardware tab for Windows
XP and 2000), click the Device Manager button. The Device Manager window
will appear:
3. Click Ports (COM & LPT)
All installed ports should appear in the list. The COM port number assigned to
each port will be shown.
4. On the Ports (COM & LPT) list, double-click the name of the port to be
configured.
5. On the Port Properties dialogue, click the Port Settings tab.
The dialogue will display the current settings for Bits per second, Data bits, Parity,
Stop bits and Flow control.
6. Click Advanced…
The Advanced Port Settings dialogue will appear. This screen allows you to set
the Receive and Transmit FIFO buffer thresholds, RTS Control parameters,
Hardware handshaking hysteresis level and the COM port name.
7. In the Advanced Port Settings under RTS Control click Normal for RS-232
mode, and RS-485 Mode for RS-485 mode. RTS Control can be in either mode
for RS-422.
Advanced Port Settings dialogue box for MIport Serial Cards
Documentation Number: 3PCI-MIport-4004qsg
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EIA-232-E (RS-232)
Function
PIN #
DB-
25
DB-
9
TO
DTE
TO
DCE
Shield 1
Transmit Data (TD) 2 3 >
Receive Data (RD) 3 2 <
Request To Send
(RTS)
4 7 >
Clear To Send (CTS) 5 8 <
DCE Ready (DSR) 6 6 <
Signal Ground (SG) 7 5
Received Line Signal
Detector (DCD)
8 1 <
DTE Ready (DTR) 20 4 >
Ring Indicator 22 9 -----
THRESHOLD VOLTAGES
Signal with
Respect to SG
Signal A with Respect to
Signal B
Signal A with Respect to
Signal B
SIGNAL
STATE
RS-232 RS-422 RS-485
"0", Asserted, ON,
Space, Active
+3 to +25 VDC +2 to +6 VDC (Transmitter)
+0.2 to +7 VDC (Receiver)
+1.5 to +6 VDC (Transmitter)
+0.2 to +12 VDC (Receiver)
"1", Disasserted,
OFF, Mark, Inactive
-3 to -25 VDC -2 to -6 VDC (Transmitter)
-0.2 to -7 VDC (Receiver)
-1.5 to -6 VDC (Transmitter)
-0.2 to -7 VDC (Receiver)
NOTE: Some RS-422 and RS-485 equipment use "+" and "-" descriptors.
The "-" corresponds to "A" and the "+" corresponds to "B".
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