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UC-7402 

Quick Installation Guide 

 

Second Edition, June 2008 

 

1. Overview 

Moxa UC-7402 features dual 10/100 Mbps Ethernet ports, PCMCIA, and a 
CompactFlash interface for wireless LAN communication and flash disk 
expansion. UC-7402 is ideal for networking applications, and can be used as 
an embedded network controller for industrial applications. 

2. Package Checklist

 

Before installing UC-7402, verify that the package contains the following 
items: 

y

 

1 UC-7402 

y

 

Wall-Mounting Kit 

y

 

DIN-Rail Mounting Kit 

y

 

UC-7402 Quick Installation Guide (this guide) 

y

 

UC-7402 Documentation & Software CD 

y

 

Cross-over Ethernet cable 

y

 

CBL-RJ45F9-150: 150 cm, 8-pin RJ45 to Female DB9 console port cable 

y

 

Universal Power Adaptor 

y

 

Product Warranty Booklet 

Notify your sales representative if any of the above items is missing or 
damaged. 

3. Panel Layout 

Rear View

 

DC 12-48V

LAN1

LAN2 Console

V+ V-

PCMCIA

CF

12-48 VDC 
Power Input

CF x 1

PCMCIA x 1

10/100 Mbps Ethernet x 2

USB 1.1 Client x 1,

miniB Connector

RS-232

PPP/Console

 

Top View

 

 

Front View

 

Reset

Reset to Default
Hardware Reset

Reset to

Default

 

4. Installing UC-7402 

Wall or Cabinet 

The two metal brackets included with UC-7402 can be used to attach it to a 
wall, or the inside of a cabinet. Using two screws per bracket, first attach the 
brackets to the bottom of the UC-7402. Next, use two screws per bracket to 
attach the UC-7402 to a wall or cabinet. 

DIN-Rail Mounting

 

The aluminum DIN-Rail attachment plate is included in the package. To 
attach the plate to UC-7402, situate the stiff metal spring towards the top. 

STEP 1: 

Insert the top of the 

DIN-Rail into the slot just below the 
stiff metal spring.

 

STEP 2: 

The DIN-Rail attachment 

unit will snap into place as shown 
below.

 

metal
spring

DIN-Rail

 

metal
spring

DIN-Rail

 

To remove UC-7402 from the DIN-Rail, simply reverse Steps 1 and 2 above. 

5. Connector Description 

Power Connector 

Connect the 12-48 VDC power line to UC-7402’s terminal block. If the 
power is properly supplied, the Ready LED will show a solid green color 
when the OS is ready.

Grounding UC-7402

 

Grounding and wire routing help 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 the power. 

ATTENTION

 

This product is intended to be mounted to a well-grounded mounting surface 
such as a metal panel. 
 

SG

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.

 

Ethernet Port 

The two 10/100 Mbps Ethernet ports (LAN 1 and LAN 2) use RJ45 
connectors. 

Pin Signal

 

1 ETx+ 
2 ETx- 
3 ERx+ 
6 ERx- 

 

1

8

 

 

PCMCIA 

The PCMCIA slot supports the CardBus (Card-32) Card standard and 16-bit 
(PCMCIA 2.1/JEIDA 4.2) Card standard. It su3.3V, +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-7402 to a 
Wireless LAN, with both 802.11b and 802.11g interfaces supported. 

CompactFlash 

UC-7402 provides one CompactFlash slot that supports CompactFlash type 
I/II card expansion. Currently, Moxa provides a CompactFlash disk for plug 
& play expansion. You may also use flash disks available from most 
computer supply outlets. The CompactFlash is mounted at 

/mnt/hda

Console Port 

The console port is an RJ45 RS-232 port. It is designed for serial console, and 
can be connected to a V90 or GPRS modem via PPP. The pin definition is 
below. 

Pin RS-232 

1 DSR 
2 RTS 
3 GND 
4 TXD 
5 RXD 
6 DCD 
7 CTS 
8 DTR 

1

8

P/N: 1802074020011

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