User's Manual

2-7
Part No. 001-4008-101/102
See Table 2-4 for Communication Modes configurations.
2.4.3 Port Statistics
Port Statistics show current parameters of the PC’s Primary and Secondary COM Ports.
Figure 2-8 Port Statistics Screen
RTS
RTS shows the current state of the RTS (request to send) line. RTS is an output from the PC.
DTR
DTR shows the current state of the DTR (data terminal ready) line. DTR is an output from the PC.
CTS
CTS shows the current state of the CTS (clear to send) line. CTS is an input to the PC.
DSR
DSR shows the current state of the DSR (data set ready) line. DSR is an input to the PC.
Table 2-4 Communication Modes
Mode Description
Sync/ESC with No HS Sends data using Sync/byte-stuffing protocol without handshaking.
Buffered with No HS Sends buffered data without handshaking.
Sync/Esc with RTS/CTS HS Sends data using the Sync/Esc byte-stuffing protocol with RTS/CTS
hardware handshaking.
Buffered with RTS/CTS HS Sends buffered data with RTS/CTS hardware handshaking.
Sync/Esc with Flow Control HS Sends data using the Sync/Esc byte-stuffing protocol with flow control
handshaking.
Buffered with Flow Control HS Sends buffered data with flow control hardware handshaking.