ADTRAN TSU 120e user manual Data, Cts, Dcd, Dsr, Inhib

	Chapter 5. Configuration Menu
Menu Item	Description
DATA	Used to control the inverting of the DTE
	data. This inversion can be useful when
	operating with an HDLC protocol. Often
	used as a means to ensure 1s density.
	Choices: Normal, Invert
	If Invert is selected, zero (0) inhibit
	should also be selected to prevent an
	open DTE input from placing zeros on
	the network.
CTS	Used to control characteristics of CTS.
	Choices: Normal*, Force On
	*See Table 5-1 on page 5-20.
DCD	Data Carrier Detect. Indicates to the DTE
	when a valid signal is being received at the
	Network Interface.
	Choices: Normal*, Force On
	*See Table 5-1 on page 5-20.
DSR	Data Set Ready. This signal indicates to the
	DTE when the DCE is turned on and ready
	for operations.
	Choices: Normal*, Force On
	*See Table 5-1 on page 5-20.
0 INHIB	The Nx interface will detect an uninterrupted
	string of zeros (0s) being transmitted toward
	the network. If 0s are transmitted for >1
	second, the TSU 120 will force 1s.
	Choices: On, Off

61202129L1-1 TSU 120 User Manual 5-19