3Com S200 manual Port Type, Clock Speed, Parameters, Connection Type

			ATPAD Ports
Parameters
	These tables describe the parameters used to configure the ATPAD port.
		Note
		Unless otherwise indicated, a Node Boot must be performed to have changes
		take affect.
	Port Type
	Range:		NULL, PAD, X25, SDLC, FRI, ATPAD, PPP
	Default:		PAD
	Description:		Specifies the port type.
			• NULL: NULL type port
			• PAD: PAD type port
			• X25: X25 type port
			• SDLC: SDLC hpad/tpad
			• FRI: Frame Relay Interface port
			• ATPAD: ATPAD type port
			• PPP: PPP type port

Connection Type

Range:	SIMP, DTR
Default:	SIMP
Description:	Specifies the control signal handshaking required for a connection
	to be made to this port.
	• SIMP: Simple, no control signals required
	• DTR: Dedicated, require the data terminal ready signal (DTR)

Clock Speed

Range:	50, 75, 100, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
	7200, 9600, 19200, 38400, 57600, 115200, 75/1200
Default:	9600
Description:	Speed of the port in bits per second, when using internal clocking.
			Note
		The maximum port speed is dependent on the type of hardware
		installed.

Configuring PAD/ATPAD Ports 63