Campbell COM9522B Guia do Utilizador descarregar pdf (Página 31)

User Guide

Scan (5,Sec,3,0)

'Activate Iridium Modems at Noon & Midnight Daily for 15

minutes each time.

'Allow modem warm-up time & check settings (5 minutes) & data

transmissions (10 minutes)

' *** Use intervals that are applicable for your application

***

If TimeIntoInterval (715,720,Min) Then PortSet (1,1)

If TimeIntoInterval (10,720,Min) Then PortSet (1,0)

'Allow the modem 1 minute for warm up before sending

settings. Once settings are

'sent to the modem allow another 4 minutes to ensure the

modem is registered on

'the network before attempting communications.

If IfTime (716,720,min) Then configure_modem = true

If configure_modem = true Then

SerialOpen (ComME,19200,0,0,2000)

Delay (0,1,Sec)

'Send the correct settings

SetupStr = "AT&F0 S0=1 &D0 +IPR=6,0 V0 &K0 &W0 &Y0" &

CHR(13) & CHR(10)

SerialOut (ComME,SetupStr,"",0,0)

configure_modem = false

SerialClose (ComME)

EndIf

NextScan

EndProg

7. Troubleshooting Tools and Tips

Problem: I have intermittent successful connections between the remote and base

station modem. The signal strength is weak and the data transfer speeds are slow.

Solution: The antenna may not have a complete 180° view of the sky. Some objects

and debris such as snow and trees can interfere with communications. Make sure that

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Campbell COM9522B Guia do Utilizador Página 31