Ampro Corporation Littleboard 550 manual Jumper Definitions, LED Definitions, Default

Chapter 2 Product Overview

Jumper Definitions

Table 2-4 describes the jumpers shown in Figure 2-5.

Table 2-4. Jumper Settings

Jumper #	Installed	Removed/Installed
JP3 – CompactFlash	Enable +5V (1-2)	Enable +3.3V (1-3)
Voltage Select	(Default)
JP4 – CompactFlash	Enable Master (pins 1-2)	Enable Slave (Removed)
Master/Slave Select		(Default)
JP5 – Serial Port 1 (COM1)	Enable Termination (1-2)	Disable Termination (Removed)
RS485 Termination		(Default)
JP6 – Serial Port 2 (COM2)	Enable Termination (1-2)	Disable Termination (Removed)
RS485 Termination		(Default)
JP7 – Serial Port 3 (COM3)	Enable Termination (1-2)	Disable Termination (Removed)
RS485 Termination		(Default)
JP8 – Serial Port 4 (COM4)	Enable Termination (1-2)	Disable Termination (Removed)
RS485 Termination		(Default)

LED Definitions

Tables 2-5 and 2-6 provide the LED colors and definitions for the Ethernet ports, Port 1 (J7) and Port 2 (J32) located on the LittleBoard 550. Refer to Figure 2-5.

Table 2-5. Ethernet Port 1 (J7) LED Indicators

Indicator Definition

Ethernet	Link/Activity LED – This yellow LED is the activity/link
Link/Activity	indicator and provides the status of Ethernet port 1 (J7).
LED	• A steady On LED indicates a link is established
	• A flashing LED indicates active data transfers
Ethernet	Speed LED – This green LED is the Speed indictor and
Speed LED	indicates transmit or receive speed of Ethernet port 1 (J7).
	• A steady Off LED shows the port at 10BaseT speed
	• A steady On LED shows the port at 100BaseT speed
Table 2-6. Ethernet Port 2 (J32) LED Indicators

Indicator Definition

Ethernet	Link/Activity LED – This yellow LED is the activity/link indicator
Link/Activity	and provides the status of Ethernet port 2 (J32).
LED	• A steady On LED indicates a link is established
	• A flashing LED indicates active data transfers
Ethernet	Speed LED – This green LED is the Speed indictor and indicates
Speed LED	transmit or receive speed of Ethernet port 2 (J32).
	• A steady Off LED shows the port at 10BaseT speed
	• A steady On LED shows the port at 100BaseT speed

14 Reference Manual LittleBoard 550