W315A/325A
Hardware Introduction
2-3
Dimensions
W315A
W325A
LED Indicators
LED Name
LED Color
LED Function
Ready
Green
Power is on and functioning normally
Off
Power is off or a power error exists
SD
Green
SD card is detected
Off
SD card is not detected
GPRS
Green
ON: GPRS is ready
Blinking: Conflict with GPRS IP or no response from DHCP server
Off
GPRS is not ready or function error exists
Signal Strength Green
Number of glowing LEDs indicates signal strength
5: Excellent
4: Very good
3: Good
2: Fair
1: Bad
Off
No signal or GPRS connection failed
LAN
Orange
10 Mbps Ethernet link
Green
100 Mbps Ethernet link
Off
Disconnected or short circuit
TxD
P1-P2
Green
Serial ports P1-P2 transmitting data
Off
Serial ports P1-P2 not transmitting data
RxD
P1-P2
Orange
Serial ports P1-P2 receiving data
Off
Serial ports P1-P2 not receiving data
