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Configuring Modem Signals 10-3
Determining the Supported Modem Signals
Determining the Supported Modem Signals
Access Servers and MODEM CONTROL
Not all access servers support all modem signals. There are three types of access
servers:
• Full MODEM CONTROL
• MODEM CONTROL
Access servers that support MODEM CONTROL can use only one of two sets of
modem signals.
• DTR/DSR support
Access Server Types and Supported Modem Signals
The following table lists the types of access servers and the modem signals that each
type supports. To determine the type of access server that you have, refer to the
software product description (SPD) for your access server.
Network Access Server
Type
Modem Signals Supported
Full MODEM CONTROL
(Example: DECserver 700-08
access server)
Request To Send (RTS)
Clear To Send (CTS)
Data Set Ready (DSR)
Data Terminal Ready (DTR)
Data Carrier Detect (DCD)
Speed Mode Indicator (SMI)
RING Indicator (RI)
Data Signal Rate Selector (DSRS)
MODEM CONTROL
(Example: DECserver 700-16
access server)
Supports one of two sets of signals (software
selectable):
•
Set 1
— Request To Send (RTS)
— Clear To Send (CTS)
— Data Set Ready (DSR)
— Data Terminal Ready (DTR)