User Data Port Physical Interface Options 2

Configuration

Table 3-5. User Data Port Physical Interface Options (2 of 2)

Monitor DTR

Possible Settings: Enable, Disable

Default Setting: Enable

Specifies whether the state of the DTE Ready (DTR) circuit on the user data port will be used to determine when valid data communication is possible with the DTE. When the DTR off condition is detected, an alarm is generated, LMI is declared down, and no further transfer of frame relay data can occur on this interface.

Display Conditions ± This option does not appear when Port Type is set to X.21 (the signal is assumed to be asserted).

Enable ± Interchange circuit CD (ITU 108/1/2) ± DTR is monitored to determine when valid data is sent from the DTE.

Disable ± DTR is not monitored. DTR is assumed to be asserted and data is being transmitted, regardless of the state of the lead.

Monitor RTS (Control)

Possible Settings: Enable, Disable

Default Setting: Enable

Specifies whether the state of the Request To Send (RTS) circuits on the user data port will be used to determine when valid data communication is possible with the DTE. When the RTS off condition is detected, CTS is deasserted, LMI is declared down, and no further transfer of frame relay data can occur on this interface.

Enable ± Interchange circuit CA (ITU 105) ± RTS is monitored to determine when valid data communication is possible with the DTE.

Disable ± RTS is not monitored. RTS is assumed to be asserted and data is being transmitted, regardless of the state of the lead.

Port (DTE) Initiated Loopbacks

Possible Settings: Local, Disable

Default Setting: Disable

Allows a local external DTE Loopback to be started or stopped via the port's attached data terminal equipment using the port's interchange lead LL (ITU 141).

Display Conditions ± This option does not appear when Port Type is set to X.21 (the signal is assumed to be asserted).

Local ± The DTE attached to the port controls the local external DTE Loopback.

Disable ± The DTE attached to the port cannot control the local external DTE Loopback.

9664-A2-GB20-00

March 2000

3-25

9664 specifications

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Paradyne 9664 manual User Data Port Physical Interface Options 2, Monitor DTR, Monitor RTS Control

Models: 9664