Uotek UT-792I User manual

. Pin assignment:
1 DB9 male side RS-485/RS-422
Port1-Port2
6
7
8
9
N/C
N/C
Db9 male
(PIN)
1
2
3
4
5
T/R+
T/R-
RXD+
RXD-
GND
T/A+
T/B-
R/A+
R/B-
RS-422 RS-485
RS-485 (A+)
RS-485 (B-)
N/C
N/C
15
69
DB9 male
Profile
Hardware Interface
Connection Type: DR44 female x1;
BUS: X1 2.5Gbps PCI Express
Signal RS-422: T/R+ T/R- RXD+ RXD- GND;
Signal RS-485: Data+ (A) Data-(B) GND
Transmission Rate: 300bps-921.6Kbps
Data Bit: 5 6 7 8; Stop Bit: 1 1.5 2
Parity Bit: None Even odd Space Mark
Flow Control: RTS/CTS XON/XOFF
Operating Temperature: -45 80
Interface Protection:600W surge protection per line for RS-485
RS-422 interface, 15KV ESD protection
Transmission distance: RS-485/422 communication distance
reaches up to 1.2Km
Supporting System: Win2000/XP/Vista/Win7/NT4.0/CE 4.2/5.0/
6.0/Vxworks/Linux 2.4.x/2.6.x
PCI-Express to RS-485/422 card
2-Ports
Model: UT-792I
1
. Connect Diagram
23
35.3mm
(1.39in)
17mm
(0.69in)
120mm
(4.72in)
85mm
(3.34in)
102mm
(4.01in)
68.5mm
(2.69in)
. Faults and Ruling Out:
1 Data Communication Failure
A Check the PCI-E interface
B Check if RS-485/RS-422 output interface line is correct
C Check if the power supply light is lit
D Check if the line terminal is connected properly
E Check if the receiving indicator is flashing during reception.
F Check if the sending indicator is flashing during sending.
2 Data Loss or Mistake
A Check if the speed and format of the data communication
UT-792I
UT-792I
UT-792I
UT-792I
Port1
Port1
Port1
Port1
RS-485 device
4.RS-485 P2Pconnection
3.RS-485 Point to Multi Point connection
2.RS-422 P2Pconnection
RS-422 device
1.RS-485 Point to Multi Point connection
GND GND
N/C
UT-792I convert PCI-Einto2 portsRS-422/RS-485,industrial
grade, with built-inOpto-isolator and TVS. Integrated with
600W lightening surge protection for each line; with ESD
protection, protect yourdevice against surge voltageand
transient over voltage caused by any other factors. It also
guaranteesthe high-speedtransmission of RS-422/RS-485
interface.
Highly trustperformance and stabilitywith reasonable
price.
I. Summary
.Feature:
The speedof each interface can reaches up to 921.6Kbps
and supports256byteFIFO drivers and internalsoft andhardware
flow control.The universaluse PCIis compatible with PCI-E.
RS-422 device
RS-485 device
RS-485 device

4
Driver Installation Procedure
When plug inUT-792I,system pops upa window, select Install
from list ordesignated location and click Next
A programpath selection installation window will pop up
as illustrated below. Select Search in these locations for the
best matching driver , then Search include this location ,
click browse and select thefolder in thedisc. If youroperation
system is XP, the selectWin2KXPfoler. Ifother systems, select
the corresponding folderand clieck Next .
Install drivers forthe remaining portsfollowing the procedures
above.
After drivers areinstalled, open devicemanager and checkif there
is any virtualCOM port underport tag. Ifthere is not other port driver
installed in thesystem before, thedefault COM portsare COM3, 4,
as illustrated below. Alldrivers have now been installed on UT-792I.
56
After located andinstalled the driver, clieck Finish .
New hardware wizarddialog box willpop up again,and drivers
for the 3serial ports needto be installed.Select installation
from the listor designated location and click Next .