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Airlink Raven GPRS User Manual

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AT Commands

72

Cingular GPRS Raven User Guide Version 2.01

TCPS=n

n=0

n=1

TCP connection time-out (TCPT) units.

TCPT specifies minutes.

TCPT specifies seconds.

TCPT=n

n = minutes
(TCPS=0) or
seconds
(TCPS=1)

TCP connection time-out. Specifies a time interval upon
which if there is no in or outbound traffic through a TCP
connection, the connection will be terminated. This
value only affects the TCP connection in TCP PAD
mode.

&Cn

n=0

n=1

n=2

Set DCD mode.

Always assert DCD

Assert DCD when in a data mode (UDP, TCP, PPP, or
SLIP) (Default).

Assert DCD when the modem has network coverage.

&Dn

n=0

n=2

Set DTR mode.

Ignore DTR, same effect as HW DTR always asserted
(same as S211=1)

Use hardware DTR (same as S211=0)

&Sn

n=0

n=1

n=2

Set DSR mode.

Always assert DSR

Assert DSR when in a data mode (UDP, TCP, PPP, or
SLIP) (Default).

Assert DSR when the modem has network coverage.

Note: S211 can also be used to request that DSR is
always asserted. If S211 is set to 3 and &S is changed to
a non-zero value, S211 will be changed to 1.

TABLE 5.

Local Network and Host Modes

Command

Parameters

Details