Moxa Technologies Switch UC 7400 User Manual

UC-7400 Hardware User’s Manual  
First Edition, March 2006  
Moxa Systems Co., Ltd.  
Tel: +886-2-8919-1711  
Fax:+886-2-8919-1722  
MOXA Technical Support  
Worldwide:  
The Americas [email protected]  
 
Table of Contents  
 
1
Chapter  
1
Introduction  
Thank you for purchasing the MOXA UC-7400 RISC-based ready-to-run embedded computer.  
The product’s features include eight RS-232/422/485 serial ports, dual 10/100 Mbps Ethernet ports,  
8 digital input channels and 8 digital output channels, a PCMCIA interface for wireless LAN  
communication, and CompactFlash and USB ports for mass storage disk expansion. All these  
make the UC-7400 series ideal for your embedded applications.  
This manual introduces the hardware that makes the UC-7400 series embedded computers tick.  
After a brief introduction of the hardware features, this manual focuses on installation and  
hardware configuration with device interfaces.  
The following topics are covered in this chapter:  
Overview  
¾ Package Checklist  
¾ Product Features  
¾ Product Hardware Specifications  
Hardware Introduction  
¾ Appearance and Dimensions  
¾ Hardware Block Diagram  
¾ LED Indicators  
¾ Reset-type Buttons  
¾ Real Time Clock  
Placement Options  
¾ Wall or Cabinet  
¾ DIN-Rail Mounting  
Hardware Connection Description  
¾ Wiring Requirements  
¾ Connecting the Power  
¾ Grounding UC-7400  
¾ Connecting to the Network  
¾ Connecting to a Serial Device  
¾ Connecting to the Console Port  
¾ PCMCIA  
¾ CompactFlash  
¾ USB  
¾ DI/DO  
 
 
UC-7400 Hardware User’s Manual  
Introduction  
Overview  
The MOXA UC-7400 Series (herein after referred to as UC-7400) includes UC-7420, UC-7410,  
UC-7408, and UC-7402. These RISC-based ready-to-run embedded computers are ideal for  
embedded applications. UC-7400 series feature 8 RS-232/422/485 serial ports, dual 10/100 Mbps  
Ethernet ports, 8 digital input channels and 8 digital output channels, a PCMCIA interface for  
wireless LAN communication, a CompactFlash slot for flash disk expansion, and USB ports for  
adding additional memory (such as a USB Flash disk).  
The UC-7400 series use an Intel XScale IXP-422 266 MHz RISC CPU. Unlike the X86 CPU,  
which uses a CISC design, the IXP-422’s RISC design architecture and modern semiconductor  
technology provide UC-7400 with a powerful computing engine and communication functions, but  
without generating a lot of heat. The built-in 32 MB NOR Flash ROM and 128 MB SDRAM give  
you enough memory to run your application software directly on UC-7400. As the dual LAN ports  
are built right into the IXP-422 CPU, UC-7400 makes an ideal communication platform for  
Network Security applications. If your application requires placing UC-7400 at a site that is not  
located near an Ethernet LAN connection, you can connect to the network by using UC-7400’s  
PCMCIA port to attach a wireless LAN card.  
Package Checklist  
All models of the UC-7400 series are shipped with the following items:  
y 1 UC-7400 Series Embedded Computer  
y Wall-Mounting Kit  
y DIN-Rail Mounting Kit  
y Quick Installation Guide  
y Document & Software CD  
y Cross-over Ethernet cable  
y CBL-RJ45M9-150: 150 cm, 8-pin RJ45 to Male DB9 serial port cable (Except UC-7402)  
y CBL-RJ45F9-150: 150 cm, 8-pin RJ45 to Female DB9 console port cable  
y Universal Power Adapter  
y Product Warranty Booklet  
NOTE: Notify your sales representative if any of the above items is missing or damaged.  
1-2  
 
 
UC-7400 Hardware User’s Manual  
Introduction  
Product Features  
y Intel XScale IXP-422 266 MHz Processor  
y On-board 128 MB RAM, 32 MB Flash ROM  
y Eight RS-232/422/485 serial ports (UC-7420/7410/7408 only)  
y 8 digital input channels and 8 digital output channels (UC-7408 only)  
y Dual 10/100 Mbps Ethernet  
y USB 2.0 host for mass storage devices (UC-7420 only)  
y PCMCIA, wireless LAN expansion (supports 802.11b/802.11g)  
y CompactFlash for storage expansion (UC-7420/7408/7402 only)  
y LCM display and keypad for HMI (UC-7420/7410 only)  
y Ready-to-run Linux / WinCE 5.0 .NET platform  
y DIN-Rail or wall mounting installation  
y Robust, fanless design  
UC-7420/7410  
UC-7408  
UC-7402  
1-3  
 
 
UC-7400 Hardware User’s Manual  
Introduction  
Product Hardware Specifications  
UC-7420  
UC-7410  
UC-7408  
Intel Xscale  
IXP-422 266MHz  
128 MB  
UC-7402  
Intel Xscale  
IXP-422 266MHz  
128 MB  
CPU  
Intel Xscale  
IXP-422 266MHz  
128 MB  
Intel Xscale  
IXP-422 266MHz  
128 MB  
RAM  
Flash  
LAN  
32 MB  
32 MB  
32 MB  
32 MB  
Auto-sensing 10/100 Mbps x 2 with built-in 1.5 KV magnetic isolation protection  
RJ45 Connector  
Serial Port  
N/A  
RS-232/422/485 × 8 RS-232/422/485 × 8  
RS-232/422/485 × 8  
RJ45 Connector  
RJ45 Connector  
15 KV ESD for all signals  
5, 6, 7, 8  
RJ45 Connector  
Serial Protection  
Data Bits  
N/A  
N/A  
Stop Bits  
1, 1.5, 2  
N/A  
Parity  
Flow Control  
Speed  
none, even, odd, space, mark  
RTC/CTS, XON/XOFF, RS-485 ADDC™  
50 bps to 921.6 Kbps  
N/A  
N/A  
N/A  
Serial Console  
RS-232 × 1  
RS-232 × 1  
RJ45 Connector  
DI × 8, DO × 8  
N/A  
1*  
N/A  
RS-232 × 1  
RJ45 Connector  
N/A  
N/A  
1*  
Cardbus x 1**  
CompactFlash ×  
1***  
RS-232 × 1  
RJ45 Connector  
N/A  
N/A  
1*  
Cardbus x 1**  
CompactFlash × 1***  
RJ45 Connector  
DI/DO  
N/A  
2
1*  
USB 2.0 Hosts  
USB 1.1 Client  
PCMCIA  
Storage  
Cardbus x 1**  
CompactFlash × 1***  
N/A  
Expansion  
LCM  
N/A  
N/A  
128 × 64 dots  
128 × 64 dots  
Keypad  
5
5
N/A  
N/A  
Real Time Clock Yes  
Yes  
Yes  
Yes  
Buzzer  
Yes  
Yes  
Yes  
Yes  
Rest Button  
HW Reset × 1  
Reset to Default × 1  
12 to 48 VDC  
12W  
HW Reset × 1  
HW Reset × 1  
HW Reset × 1  
Reset to Default × 1 Reset to Default × 1 Reset to Default × 1  
12 to 48 VDC  
10W  
Power Input  
Power  
12 to 48 VDC  
8W  
12 to 48 VDC  
7W  
Consumption  
Dimension  
(W x D x H)  
Weights  
197 × 125 × 44 mm  
197 × 125 × 44 mm 197 × 125 × 44 mm 197 × 125 × 44 mm  
875 g  
810 g  
870 g  
830 g  
Operating  
temperature  
Storage  
-10 to 60°C, (14 to 140°F), 5 to 95% RH  
-20 to 80°C, (-4 to 176°F), 5 to 95% RH  
temperature  
Regulatory  
Approvals  
Warranty  
EMC: CE Class A, FCC Class A  
Safety: UL, cUL, TÜV  
5 years  
5 years  
5 years  
5 years  
* USB Client function is reserved for future enhancement  
** PCMCIA is designed for 802.11b/g wireless LAN card expansion  
*** CompactFlash is designed for Flash memory card or Microdrive  
1-4  
 
 
UC-7400 Hardware User’s Manual  
Introduction  
Hardware Introduction  
Appearance and Dimensions  
Appearance  
UC-7420 Rear View  
12-48 VDC  
Power Input  
10/100 Mbps Ethernet x 2  
USB  
DC 12-48V  
V+ V-  
PCMCIA  
CF  
LAN1 LAN2 Console  
USB 2.0 Host x 2,  
A Type Connector  
USB 1.1 Client x 1,  
miniB Connector  
CF x 1  
PCMCIA x 1  
RS-232  
PPP/Console  
UC-7420 Top View  
Graphics LCM  
128 x 64 Dots  
5 Buttons  
UC-7420 Front View  
RJ45 RS-232/422/485  
Connectors x 8  
RS-232/422/485  
Reset to  
default  
P1  
P2  
P3  
P4  
P5  
P6  
P7  
P8  
Reset to Default  
Hardware Reset  
Reset  
1-5  
 
 
UC-7400 Hardware User’s Manual  
UC-7410 Rear View  
Introduction  
12-48 VDC  
Power Input  
10/100 Mbps Ethernet x 2  
DC 12-48V  
V+ V-  
LAN1 LAN2 Console  
USB 1.1 Client x 1,  
miniB Connector  
RS-232  
PPP/Console  
UC-7410 Top View  
Graphics LCM  
128 x 64 Dots  
5 Buttons  
UC-7410 Front View  
RJ45 RS-232/422/485  
Connectors x 8  
RS-232/422/485  
Reset to  
default  
P1  
P2  
P3  
P4  
P5  
P6  
P7  
P8  
Reset to Default  
Hardware Reset  
Reset  
1-6  
 
UC-7400 Hardware User’s Manual  
UC-7408 Rear View  
Introduction  
12-48 VDC  
Power Input  
10/100 Mbps Ethernet x 2  
DC 12-48V  
V+ V-  
PCMCIA  
CF  
LAN1 LAN2 Console  
USB 1.1 Client x 1,  
miniB Connector  
CF x 1  
PCMCIA x 1  
RS-232  
PPP/Console  
UC-7408 Top View  
UC-7408 Front View  
8-ch Digital Output  
8-ch Digital Input  
D/O  
D/I  
Reset to  
Default  
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Reset to Default  
Hardware Reset  
Reset  
RS-232/422/485 P1  
P2  
P3  
P4  
P5  
P6  
P7  
P8  
RJ45 RS-232/422/485  
Connectors x 8  
1-7  
 
UC-7400 Hardware User’s Manual  
UC-7402 Rear View  
Introduction  
12-48 VDC  
Power Input  
10/100 Mbps Ethernet x 2  
DC 12-48V  
V+ V-  
PCMCIA  
CF  
LAN1 LAN2 Console  
USB 1.1 Client x 1,  
miniB Connector  
CF x 1  
PCMCIA x 1  
UC-7402 Top View  
RS-232  
PPP/Console  
UC-7402 Front View  
Reset to  
Default  
Reset to Default  
Hardware Reset  
Reset  
1-8  
 
UC-7400 Hardware User’s Manual  
Introduction  
Dimensions  
UC-7420/7410  
197 mm [7.76"]  
1-9  
 
UC-7400 Hardware User’s Manual  
UC-7408  
Introduction  
197 mm [7.76"]  
1-10  
 
UC-7400 Hardware User’s Manual  
UC-7402  
Introduction  
197 mm [7.76"]  
1-11  
 
UC-7400 Hardware User’s Manual  
Introduction  
Hardware Block Diagram  
The following block diagram shows the layout of UC-7420 internal components.  
The following block diagram shows the layout of UC-7410 internal components.  
Ethernet  
USB  
Client  
Console LAN2 LAN1  
Power  
PHY  
PHY  
Power  
circuit  
Xscale IXP-422 266 MHz  
32 MB Flash  
128 MB SDRAM  
PCI Bus  
RTC  
Moxa UART ASIC  
LCM Display  
& Keypad  
1
2
3
4
5
6
7
8
RS-232/422/485  
1-12  
 
 
UC-7400 Hardware User’s Manual  
The following block diagram shows the layout of UC-7408’s internal components.  
Introduction  
Ethernet  
PCMCIA &  
USB  
Console LAN2 LAN1  
Power  
CompactFlash  
Client  
PCI to cardbus  
PHY  
PHY  
Bridge  
Power  
circuit  
Xscale IXP-422 266 MHz  
32 MB Flash  
PCI Bus  
128 MB SDRAM  
RTC  
Decoder  
Moxa UART ASIC  
1
D/I x 8 D/O x 8  
2
3
4
5
6
7
8
RS-232/422/485  
The following block diagram shows the layout of UC-7402’s internal components.  
Ethernet  
PCMCIA &  
USB  
Console LAN2 LAN1  
Power  
CompactFlash  
Client  
PCI to cardbus  
PHY  
PHY  
Bridge  
Power  
circuit  
Xscale IXP-422 266 MHz  
32 MB Flash  
PCI Bus  
128 MB SDRAM  
RTC  
LED Indicators  
UC-7420/7410 /7408 have 12 LED indicators on the top panel. UC-7402 has only 4 LED  
indicators (no serial port indicator) on the top panel. Refer to the following table for information  
about each LED.  
LED Name  
Color  
Meaning  
Ready  
Green  
Power is ON, and system is ready (after booting up)  
Yellow 10 Mbps Ethernet connection  
Green 100 Mbps Ethernet connection  
Yellow Console port is receiving RX data from the serial device.  
Green Console port is transmitting TX data to the serial device.  
LAN1, LAN2  
Console  
P1, P2, P3, P4, Yellow Serial port is receiving RX data from the serial device.  
P5, P6, P7, P8  
Green  
Serial port is transmitting TX data to the serial device.  
Reset-type Buttons  
UC-7400 has two reset-type buttons. The button labeled Reset has the same effect as switching off  
the power and then switching the power back on. The button labeled Reset to default returns  
UC-7400 to the factory default parameter configuration.  
1-13  
 
 
UC-7400 Hardware User’s Manual  
Reset Button  
Introduction  
Pressing the Reset button initiates a hardware reboot. The button plays the same role as a desktop  
PC’s reset button.  
In normal use, you should NOT use the Reset Button. You should only use this function if the  
software is not working properly. To reset an embedded linux system, always use the software  
reboot command />reboot to protect the integrity of data being transmitted or processed.  
Reset to default Button  
Press the Reset to default button continuously for at least 5 seconds to load the factory default  
configuration. After the factory default configuration has been loaded, the system will reboot  
automatically. The Ready LED will blink on and off for the first 5 seconds, and then maintain a  
steady glow once the system has rebooted.  
We recommend that you only use this function if the software is not working properly and you  
want to load factory default settings. To reset an embedded linux system, always use the software  
reboot command />reboot to protect the integrity of data being transmitted or processed. The  
Reset to default button is not designed to hard reboot UC-7400.  
ATTENTION  
Reset to default preserves user’s data  
The Reset to default button will NOT format the user directory and erase the user’s data.  
Pressing the Reset to default button will only load the configuration file. All files in the /etc  
directory will revert to their factory defaults, but other User Data will still exist in the Flash  
ROM.  
“Reset to Default” is not supported by UC-7420/7410 hardware versions V1.0  
The Reset to default button is not supported by UC-7420/7410 hardware version V1.0. You can  
identify the hardware version from UC-7420/7410’s lower label. You need to contact MOXA to  
determine the product’s hardware version. When contacting our customer support team, you will  
need to provide the product’s Serial Number (S/N) that is found on UC-7420/7410’s lower label.  
Real Time Clock  
UC-7400’s real time clock is powered by a lithium battery. We strongly recommend that you do  
not replace the lithium battery without help from a qualified MOXA support engineer. If you need  
to change the battery, contact MOXA RMA service team.  
WARNING  
There is a risk of explosion if the battery is replaced by an incorrect type.  
Placement Options  
Wall or Cabinet  
The two metal brackets that come standard with UC-7400 are used to attach UC-7400 to a wall, or  
the inside of a cabinet. First, use two screws per bracket to attach the brackets to the bottom of  
UC-7400 (Fig. A). Next, use two screws per bracket to attach the UC-7400 to a wall or cabinet  
(Fig. B).  
1-14  
 
 
UC-7400 Hardware User’s Manual  
Introduction  
Figure A: UC-7420/7410 Universal CommunicatorWall Mounting Brackets (bottom view)  
Figure B: UC-7420/7410 Universal CommunicatorWall Mounting Brackets (top view)  
DIN-Rail Mounting  
The aluminum DIN-Rail attachment plate is included with the package. If you need to reattach the  
DIN-Rail attachment plate to UC-7400, make sure the stiff metal spring is situated towards the top,  
as shown by the following figures.  
STEP1: Insert the top of the DIN-Rail  
into the slot just below the stiff metal  
spring.  
STEP2: The DIN-Rail attachment unit  
will snap into place as shown.  
metal  
spring  
metal  
spring  
DIN-Rail  
DIN-Rail  
To remove UC-7400 from the DIN-Rail, simply reverse Steps 1 and 2.  
1-15  
 
 
UC-7400 Hardware User’s Manual  
Introduction  
Hardware Connection Description  
This section describes how to connect UC-7420/7410 to serial devices for first time testing  
purposes. We cover Wiring Requirements, Connecting the Power, Grounding UC-7400,  
Connecting to the Network, Connecting to a Serial Device, Connecting to the Console Port,  
PCMCIA, CompactFlash, USB, and DI/DO.  
Wiring Requirements  
ATTENTION  
Safety First!  
Be sure to disconnect the power cord before installing and/or wiring your UC-7400.  
Wiring Caution!  
Calculate the maximum possible current in each power wire and common wire. Observe all  
electrical codes dictating the maximum current allowable for each wire size.  
If the current goes above the maximum ratings, the wiring could overheat, causing serious  
damage to your equipment.  
Temperature Caution!  
Be careful when handling UC-7400. When plugged in, UC-7400’s internal components generate  
heat, and consequently the outer casing may feel hot to the touch.  
You should also observe the following common wiring rules:  
y
Use separate paths to route wiring for power and devices. If power wiring and device wiring  
paths must cross, make sure the wires are perpendicular at the intersection point.  
NOTE: Do not run signal or communication wiring and power wiring in the same wire  
conduit. To avoid interference, wires with different signal characteristics should be routed  
separately.  
y
You can use the type of signal transmitted through a wire to determine which wires should be  
kept separate. The rule of thumb is that wiring that shares similar electrical characteristics can  
be bundled together.  
y
y
Keep input wiring and output wiring separate.  
Where necessary, it is strongly advised that you label wiring to all devices in the system.  
Connecting the Power  
Connect the 12 to 48 VDC power line with UC-7400’s terminal block. If the power is properly  
supplied, the Ready LED will illuminate with a solid green color after 30 to 60 seconds have  
passed.  
Grounding UC-7400  
Grounding and wire routing helps limit the effects of noise due to electromagnetic interference  
(EMI). Run the ground connection from the ground screw to the grounding surface prior to  
connecting devices.  
1-16  
 
 
UC-7400 Hardware User’s Manual  
Introduction  
ATTENTION  
This product is intended to be mounted to a well-grounded mounting surface, such as a metal  
panel.  
SG: The Shielded Ground (sometimes called Protected Ground) contact is  
the left most contact of the 3-pin power terminal block connector  
when viewed from the angle shown here. Connect the SG wire to an  
appropriate grounded metal surface.  
Connecting to the Network  
Connect one end of the Ethernet cable to one of UC-7400’s 10/100M Ethernet ports (8-pin RJ45)  
and the other end of the cable to the Ethernet network. If the cable is properly connected,  
UC-7420/7410 will indicate a valid connection to the Ethernet in the following ways:  
8
1
The lower right corner LED indicator maintains a  
solid green color when the cable is properly  
connected to a 100 Mbps Ethernet network. The  
LED will flash on and off when Ethernet packets  
are being transmitted or received.  
Pin  
1
2
3
4
Signal  
ETx+  
ETx-  
ERx+  
---  
8
1
The lower left corner LED indicator maintains a  
solid orange color when the cable is properly  
connected to a 10 Mbps Ethernet network. The  
LED will flash on and off when Ethernet packets  
are being transmitted or received.  
5
6
7
8
---  
ERx-  
---  
---  
Connecting to a Serial Device  
Use properly wired serial cables to connect UC-7420/7410/7408 to serial devices.  
UC-7420/7410/7408’s serial ports (P1 to P8) use 8-pin RJ45 connectors. The ports can be  
configured by software for RS-232, RS-422, or 2-wire RS-485. The precise pin assignments are  
shown in the following table:  
Pin  
1
2
3
4
5
6
7
RS-232  
DSR  
RTS  
GND  
TXD  
RXD  
DCD  
CTS  
RS-422  
---  
RS-485  
---  
---  
GND  
---  
Data+  
Data-  
---  
1
8
TXD+  
GND  
TXD-  
RXD+  
RXD-  
---  
8
DTR  
---  
---  
1-17  
 
 
UC-7400 Hardware User’s Manual  
Introduction  
Connecting to the Console Port  
UC-7400’s console port is an 8-pin RJ45 RS-232 port. The port can be used to connect to the  
console utility from a remote console via a V90 or GPRS modem with PPP protocol. The pin  
definition is the same as for the serial ports (P1 to P8). For normal data acquisition applications,  
you should connect to UC-7400’s serial ports (P1 to P8) via a V90 or GPRS modem. If you would  
like to use the console port for normal data acquisition applications, you can set the Console port  
to startup via PPP protocol.  
PCMCIA  
The PCMCIA slot supports the CardBus (Card-32) Card standard and 16-bit (PCMCIA 2.1/JEIDA  
4.2) Card standard. It supports +3.3V, +5V, and +12V at a working voltage of 120 mA. Wireless  
LAN card expansion is optional. The wireless LAN card provided by MOXA lets you connect  
UC-7400 to a wireless LAN, with both 802.1b and 802.11g interfaces supported. If you need  
device drivers for other kinds of PCMCIA cards, contact MOXA for information on how to initiate  
a cooperative development project.  
CompactFlash  
UC-7420/7408/7402 provides one CompactFlash slot that supports CompactFlash type I/II card  
expansion. Currently, MOXA provides a CompactFlash disk for plug & play mass storage  
expansion. You may also use flash disks available from most computer supply outlets. The  
CompactFlash card is automatically mounted as a system partition on insertion.  
If you need device drivers for other kinds of mass storage cards, contact MOXA for information  
on how to initiate a cooperative development project.  
USB  
UC-7420 provides two USB 2.0 Hosts and one USB 1.1 Client, The USB Host now supports the  
mass storage to expansion function.  
DI/DO  
UC-7408 support 8-ch digital input and 8-ch digital output.  
The eight digital input channels and eight digital output  
channels use separate terminal blocks.  
1
2
3 4  
5
6
7
8
1-18  
 
 
A
Appendix  
A
Service Information  
This appendix shows you how to contact MOXA for information about this and other products,  
and how to report problems.  
The following topics are covered in this appendix:  
MOXA Internet Services  
Problem Report Form  
Product Return Procedure  
 
 
UC-7420/7410 User’s Manual  
Service Information  
MOXA Internet Services  
Customer satisfaction is our number one concern, and to ensure that customers receive the full  
benefit of our products, Moxa Internet Services has been set up to provide technical support, driver  
updates, product information, and user’s manual updates.  
The following services are provided  
E-mail for technical support................................[email protected]  
World Wide Web (WWW) Site for product information:  
.............................http://www.moxa.com  
A-2  
 
 
UC-7420/7410 User’s Manual  
Service Information  
Problem Report Form  
MOXA UC-7400 Series  
Customer name:  
Company:  
Tel:  
Fax:  
Email:  
Date:  
1. Moxa Product: UC-7420  
UC-7410  
UC-7408  
UC-7402  
2. Serial Number: _________________  
Problem Description:Please describe the problem clearly. Include as many details as you can. This will help us  
reproduce the problem, and expedite the repair of your product.  
A-3  
 
 
UC-7420/7410 User’s Manual  
Service Information  
Product Return Procedure  
For product repair, exchange, or refund, the customer must:  



Provide evidence of original purchase.  
Obtain a Product Return Agreement (PRA) from the sales representative or dealer.  
Fill out the Problem Report Form (PRF). Include as much detail as possible for a shorter  
product repair time.  

Carefully pack the product in an anti-static package, and send it, pre-paid, to the dealer. The  
PRA should be visible on the outside of the package, and include a description of the problem,  
along with the return address and telephone number of a technical contact.  
A-4  
 
 

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