Motorola MVME712-12 用户手册
Support Information
3-8
MVME712-12/-13/A/AM/B Transition Modules and LCP2 Adapter Board UserÕs Manual
3
61
CTS2
CLEAR TO SEND (serial port 2) - CTS is a
function supplied to the terminal by the modem,
and indicates that it is permissible to begin
transmission of a message. When using a
modem, CTS follows the off-to-on transition of
RTS after a time delay.
function supplied to the terminal by the modem,
and indicates that it is permissible to begin
transmission of a message. When using a
modem, CTS follows the off-to-on transition of
RTS after a time delay.
62
RTS2
REQUEST TO SEND (serial port 2) - RTS is
supplied by the terminal to the modem when it
is required to transmit a message. With RTS off,
the modem carrier remains off. When RTS is
turned on, the modem immediately turns on the
carrier.
supplied by the terminal to the modem when it
is required to transmit a message. With RTS off,
the modem carrier remains off. When RTS is
turned on, the modem immediately turns on the
carrier.
63
DCD2
DATA CARRIER DETECT (serial port 2) - sent
by the modem to the terminal to indicate that a
valid carrier is being received.
by the modem to the terminal to indicate that a
valid carrier is being received.
64
DTR2
DATA TERMINAL READY (serial port 2) - a
signal from the terminal to the modem
indicating that the terminal is ready to send or
receive data.
signal from the terminal to the modem
indicating that the terminal is ready to send or
receive data.
Table 3-4. Connector J2 Interconnect Signals (LCP2 Adapter) (Continued)
Pin
Number
Signal
Mnemonic
Signal Name and Description