ADTRAN 1202156L1 Manual do Utilizador descarregar pdf (Página 77)

Chapter 5. Configuration Menu

61202156L1-1 TDU 120e User Manual 5-17

“O” INHIB

The Nx interface will detect an uninterrupted string of zeros

(0s) being transmitted toward the network. If 0s are transmit-

ted for >1 second, the TDU 120e will force 1s.

Choices: On or Off

INBAND MODE

The Nx56/64 port is capable of providing an inband commu-

nications channel (for T-Watch and SNMP) between units.

This is accomplished by using 8 kbps of the first DS0

assigned to that particular Nx56/64 port. If in 56 K mode, no

data bandwidth will be used. Inband must also be enabled at

the destination 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.

Default: Internal.

If the application requires that the DTE device provide the

clock with the transmit data, the E

XTERNAL

setting is used.

Choices: Internal, External

This table indicates conditions which cause the Port Control

Signals to be deactivated.

Table 5-1. Normal Mode of Operation

RTS V.54

Loopback

511 TST

Self Test

Active

Netwk Test

Active

No DS0

Mapped

Network

Alarm

CTS Follows OFF OFF OFF OFF OFF

DCD — — OFF — OFF OFF

DSR — OFF OFF OFF OFF —

Where “—” = don’t care

Force On = On under all conditions

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 131 132

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