Chapter 5. Configuration Menu

CTS

Used to control characteristics of CTS.

Choices: NORMAL, (see Table 5-1 on page 5-25) or

FORCE ON

DCD

Data Carrier Detect. Indicates to the DTE when a valid signal is being received at the Network Inter- face.

Choices: NORMAL (see Table 5-1 on page 5-25) or

FORCE ON

DSR

Data Set Ready. This signal indicates to the DTE when the DCE is turned on and ready for operations. Choices: NORMAL (see Table 5-1 on page 5-25) or

FORCE ON

“0” INHIB

The Nx interface will detect an uninterrupted string of zeros (0s) being transmitted toward the network. If 0s are transmitted for more than 1 second, the TDU 120e will force 1s.

Choices: ON or OFF

INBAND MODE

The Nx56/64 port is capable of providing an inband communications channel (for T-Watch PRO and SNMP) between units. This is accomplished by using 8 kbps of the first DS0 assigned to that particular Nx56/64 port. If in 56K mode, no data bandwidth will be used. Inband must also be enabled at the des- tination port.

Choices: ON or OFF, ON DEMAND

TX CLK SOURCE

Controls the source of the clock used by the TDU 120e to accept transmit data from the DTE. The default option is INTERNAL.

If the application requires that the DTE device pro- vide the clock with the transmit data, the External setting is used.

Choices: INTERNAL, EXTERNAL

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TDU 120e User Manual

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ADTRAN TDU 120e user manual Inhib