Figure 23 Using Port Library; Figure 24 Using Messaging Library - Enfora Enabler II-G Integration Manual

Integration Guide
Version 1.01
9.5.1 Using Port Library
Figure 22 provides the architecture for Port Library access.
Host Application
Port Library
Host
Figure 22 Using Port Library
Port Libraries provide the most basic modem access services. It converts modem control messages to
either UDP SLIP or UDP PPP, and vice versa. SLIP access is not currently available.
SLIP Header
PPP Header
9.5.2 Using Messaging Library
Figure 23 provides the architecture for Messaging Library access.
Host Application
Messaging Library
Port Library
Host
Figure 23 Using Messaging Library
Messaging Library provides some important modem access services. It builds a modem control message
and converts the message to either UDP SLIP or UDP PPP before sending the data to the modem. It also
parses the modem control messages from the modem. SLIP access is not currently available.
SLIP Header
PPP Header
GSM0108PB001
Host Control Interface
UART Driver
Modem
IP Header UDP Header
IP Header UDP Header
Host Control Interface
UART Driver
Modem
IP Header UDP Header
IP Header UDP Header
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Modem Control Message
Modem Control Message
Or
Modem Control Message
Parameter, Data
Modem Control Message
Or
Modem Control Message
SLIP End
PPP End
SLIP End
PPP End
1.01 – 01/21/05