User`s manual

User manual Version 1.3
SW5002 Wireless Serial Server
Copyright © 2010 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan
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Terminal block pin assignments for Serial and Power
5-pin for serial connections
RS-232 RS-485 RS-422
3-pin for Power input
SG
GND GND GND
FG
FG
RTS/R-
RTS Data- R-
Vin-
GND
TxD/R+
TxD Data+ R+
Vin+
9~48V
CTS/T-
CTS T-
RxD/T+
RxD T+
 Note: RS-485 2 or 4 pins assignments of DB9 connector are different from those of Mini DIN
 connector.
D.4. Beep & LED Status
Startup status
Message
Description
^==^========^^^ (5sec) Startup OK and AP firmware is enabled
 Buzzer indication: “ ^ “ : Beep twice “ = “ : Beep off
Wireless Signal Strength status
The BSS quality can be detected by LED indicator on SW5002. On running time, pressed default key and
then released, one of the specified actions below shall be done that depend on the released time after you
heard how many beeps. BSS quality is indicated by count of LEDs as shown below.
RSSI LEDs Message:
○ Off ● On ☼ blinking
Operations
Status
*
LED1 LED2 LED3 LED4 LED
5
Search AP (sequentially blinking) ☼ ☼ ☼ ☼ ☼ ☼
Connected AP/ Get assigned IP ☼ ☼ ☼ ☼ ☼ ☼
Not matched SSID ☼
Connecting
Not available IP ☼ ☼
Signal Strength is less 20%
●
Bad Signal Strength (20%)
● ●
Poor Signal Strength (40%)
● ● ●
Fair Signal Strength (60%)
● ● ● ●
Good Signal Strength (80%)
● ● ● ● ●
Connected
Excellent Signal Strength (100%)
● ● ● ● ● ●
 Note: The lowest LED is indicated for STATUS at SW5002’s front plate.