The LEC-3110 embedded platform was built on the Intel
D525 processor and ICH8M Chipset. With the built-in 10
RS232/422/485 serial ports and PCI-104 connector, the
system aims to meet your needs of rich I/O connectivity
and high availability in a industrial-standard housing
(heavy steel). Furthermore, for extra protection for
the system, the LEC-3110 employs ESD (ElectroStatic
Discharge) Protection of 15KV and Surge Digital Isolation
of 2KV on all its external ports (USB, VGA, COM ports) as
well as the DC power socket which is especially designed
to serve as a redundant power supply method.
The LEC-3110 system also features a modulized concept
of board design. It allows a quick replacement or removal
of the expanded ports.
Some characteristics about the connectors are as the
following:
Ethernet - 6 Ethernet controllers •
supporting10/100/1000 connection speed with Intel
82574 L controllers (all with magnetic isolation of
2KV) and LAN1 and LAN2 support WOL/PXE
VGA with Intel Pineview D integrated graphics •
controller
Support VGA output ( Maximum resolution 1280 x •
1024)
Storage - One CF socket and 2 SATA ports (ports come with
+5v DC output in the 7th pin, auto-detecting to support
SATA-DOM)
10 COM ports- 2 in the DB9 form factor, the remaining 8 in
a terminal block form factor. All serial ports are capable of
handling RS-232/422/485 signals via a DIP-switch setting.
Other features include auto-flow control, up to 15KV in
electrostatic discharge protection and 2KV of surge digital
isolation protection.
3 USB Ports - 2 on the front panel and one on the board as
an internal USB type A connector (all with ESD Protection
15KV)
Please refer to the chart below for a detailed description
of the system’s specifications.
System Specification
FEATURE
Platform
Memory
Storage
Networking
Video
Audio
I/O
Hardware
Monitor
OS Supported
DESCRIPTIONLEC-3110
Form Factor1U Rackmount
Processor
ChipsetIntel ICH8M
BIOSAMIBIOS with 8Mbit FWH
Max. FSB1333 MHz
Memory IC On BoardOn Board 1G DDR3
Memory Socket
Max Memory4GB
Compact Flash1 x CF Socket Type I/II
SATA1 x 2.5” SATA HDD/DOM
IDE1 x 44-pin IDE header
Controller (Interface)Intel 82574L x 6
ControllerIntel GMA3150
CodecALC888 HD Codec
COM Ports
USB 2.03 (2 x External, 1 x Internal)
LAN
ExpansionPCI-104
ControllerFitek 81865F hardware monitor
Watchdog timerYes (1~255 level)
Intel Atom D525
1.8 GHZ
1 x SODIMM (DDR3 up to 4GB
per slot)
2 x DB9 (ESD protection of
15KV and Surge Digital Isolation
of 2KV)
2 x 10 pin Terminal Block x 2
All ports are isolated and can
use RS-232/422/485 control
signals (ESD protection of 15KV
and Surge Digital Isolation of
2KV)
Corresponding LEDs on front
panel
6 x RJ45 GbE, LEDs on front
panel
Embedded Windows XP/Linux
kernel 2.4.16 or above/WindowsXP 32 bit
Extending operating range up
to +70 °C (72-hr full loading
operation tested) and down
to -40 °C (system successfully
boot after 24-hr test)
110/240V AC in,
10% Tolerence
CE, FCC, RoHS
Package Contents
Your package contains the following items:
LEC-3110 Embedded System•
Rack Mounting Kit•
Drivers and User’s Manual CD•
Embedded and Industrial Computing
2
Chapter 1
Front Panel Features
F1 CTR
This is a software reset switch which could be programmed to reset your application to its default settings.
F2 Reset Switch
It is a hardware reset switch. Use a pointed object to press it 5 seconds then release it to reset the system without
turning off the power.
F3 F4 F5 Run/Power/HDD LED
Introduction
F7
F1
F4
F3
F2
F6
F5
F8
RunA programmable dual green/amber LED which can be used for indicating system
status.
PowerGreen indicates Power-on, where as Off indicates Power-off status.
P1: Status for the built-in power supply unit.
P2: Status for the redundant 1x2-pin Phoenix Contact
Hard DiskYellow indicates that HDD is present, whereas Off indicates HDD is not present.
F6 PIO Status LED
The set of 4 LEDs can be programmed to display the status of any hardware components or system operating
status. Refer to the Driver and Manual CD for a sample code to implement this feature.
F7 LAN Status LED
ACT LED: If the LED is on, it indicates that the port is linked.
Link LED: If it blinks, it indicates there is traffic.
F8 Serial Port Status LED for COM1 through COM10
The LEDs on the upper row show the status of transmission activities, whereas those on the bottom row show
the status of receiving activities.
Embedded and Industrial Computing
3
Chapter 1
Rear Panel Features
Introduction
R1
R1 VGA Connector
R2
R3
LAN2 LAN4 LAN6
LAN1 LAN3 LAN5
R4
COM2
COM1
Pin 1
Pin 1
COM4 COM6
COM3 COM5
Pin 1
Pin 1
Pin 1
COM8 COM10
COM7 COM9
Pin 1
R5
Pin 1
Pin 1
R6
R7
R8
The VGA is provided by the integrated GPU which implements Intel® Graphics Media Accelerator 3150.
R2 Two USB 2.0 type A ports
It connects to any USB devices, for example, a flash drive. There is another external port on the front panel
and one internal USB dip connector on the mainboard. They all have ESD Protection of 15KV.
R3 6 Gigabit Ethernet LAN ports
LAN 1-6 are provided by Intel 82574L Ethernet controller which supports10/100/1000Mbps connection
speeds. In addition, LAN1 and LAN2 Support Wake-on-LAN (WOL) and Preboot eXecution Environment
(PXE).
Using suitable RJ-45 cable, you can connect LEC-3110 System to a computer, or to any other piece of
equipment that has an Ethernet connection such as a hub or a switch.
R4 Two RS-232 Serial Port (Bottom: COM1, Upper: COM2, fully compliant to RS-232 standard)
These two serial ports have default operation mode of RS-232 communication channel, but can be configured
as either RS-422 or RS-485 serial communication channel through dip switch selection. Refer to Chapter 3
Motherboard Information for dip switch information. They are capable of 15KV ESD (ElectroStatic Discharge)
Protection and 2KV Surge Digital Isolation.
Pin No.Pin name for RS-232Pin name for RS-485/RS-422Pin name for RS-485(2 wires)
1Data Carrier Detect (DCD)TXD-DATA2Received Data (RXD)TXD+DATA+
3Transmitted Data (TXD)RXD+
4Data Terminal Ready (DTR)RXD5Signal Ground (GND)Ground (GND)
1 2 3 4 5
6 7 8 9
Pin No.Pin name for RS-232Pin name for RS-485
6Data Set Ready (DSR)
7Request to Send (RTS)
8Clear to Send (CTS)
9Ring Indicator (RI)
R5 20-pin Phoenix Contact Terminal Block
Embedded and Industrial Computing
4
Chapter 1
This terminal block can be connected as 8 Com ports with serial port type of RS-232, RS-422 or RS-485; it
supports dip switch selection among RS-232, RS-422 and 485. The following table lists the pin assignments.
Refer to Chapter 3 Motherboard Information for dip switch adjustment information. Note that Pin 1 starts from right. They are capable of 15KV ESD (ElectroStatic Discharge) Protection and 2KV Surge Digital Isolation.
Introduction
Pin NO.
Port Type
RS-232TXDRTSRXDCTSGround
RS-422TX+TX-RX-RX+Ground
RS-485TX+TX-RX-RX+Ground
RS-485 (2 wires) DATA+DATA-Ground
R6 Redundant Power Supply Socket
A redundant power supply through 1x2-pin Phoenix Contact with 12~36V is provided on the system. It has
ESD Protection for15KV and surge Digital isolation for 2KV. The socket also features reverse polarity protection.
Hence, it will not cause any damage to the system by reversed wiring of ground line and power line.
12
R7 Power Switch
The power switch comes with the switch which can be used to turn on/off the power from the power supply.
R8 Power Socket
The AC inlet comes from the unit’s built-in 150W open frame power.
Pin 1Pin 2Pin 3Pin 4Pin 5
(GND)
(GND)
(GND)
Pin No.12
FunctionDC + / -DC - / +
Embedded and Industrial Computing
5
Chapter 2
Introduction
Chapter 2:
Hardware Setup
Preparing the Hardware Installation
To access some components and perform certain service
procedures, you must perform the following procedures
first.
WARNING: To reduce the risk of personal injury,
electric shock, or damage to the equipment,
remove the power cord to remove power from the
server. The front panel Power On/Standby button
does not completely shut off system power.
Portions of the power supply and some internal
circuitry remain active until AC power is removed.
Unscrew the 6 threaded screws from the top cover of 1.
the LEC-3110 System.
Slide the cover backwards and open the cover 2.
upwards.
1
Installing the Hard Disk
The system can accommodate one Serial-ATA disks. Follow
these steps to install a hard disk into the LEC-3110:
Unscrew the 4 screws on the hard disk tray to take out 1.
the hard disk tray from the system.
Place hard disk on the hard disk tray and align the holes 2.
of the hard disk with the mounting holes of the tray.
Secure the hard disk with 4 mounting screws on the 3.
hard disk tray.
Connect the Serial-ATA power and drive cables to the 4.
hard disk’s power and data connectors respectively.
Plug the Serial-ATA data cable to the Serial-ATA 5.
Connector on the main board.
Plug the Serial-ATA power cable to the Serial-ATA 6.
Power Connector on the main board.
Put the hard disk tray with the installed hard disk back 7.
and fasten it to the system with the mounting screws.
Installing the System Memory
The motherboard supports DDR2 memory It comes with
one Double Data Rate(DDR2) Small Outline Dual Inline
Memory Modules (SO-DIMM) socket.
Align the cutout of the SO-DIMM with the notch of the 1.
memory slot.
Install the SO-DIMM.2.
Notch
Cutout
Note:
The system already has 1GB onboard memory 1.
and can support additional memory with the
DDR3 SO-DIMM socket up to 4 GB in maximum.
Embedded and Industrial Computing
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