Zhone 3920Plus Manual de instrucciones descargar pdf (Pagina 93)

Configure Branch

5-173920-A2-GH30-40 October 1998

Table 5-1

(8 of 9)

DTE Interface Configuration Options — Multiport Mode l

XTXC Clamps TXC: Enable

Nxt Enable Disable

This configuration option only appears when the TX Clock Source or Bakup_TXClk_Src configuration option is

set to Port 1, 2, 3, or 4 and Async/Sync mode is Sync.

External Transmit Clock Clamps Transmit Clock. Allows the port’s TXC output (Pin 15 on the EIA-232-D interface) to be

clamped OFF when TX Clock Source is configured for Port 1, 2, 3, or 4.

Enable – TXC is clamped OFF when TX Clock Source is configured for Port 1, 2, 3, or 4.

Disable – TXC continues to be provided when TX Clock Source is configured for Port 1, 2, 3, or 4.

CT111 Control: Disable

Nxt Disable Enable

This configuration option does not appear when V.34 is enabled for a leased or dial line.

CT111 Control. Used in conjunction with CT111 Rate Control. (Refer to the MUX Sub-Group section of this table.) Allows

the DTE to control modem rate via Pin 23 of the EIA-232-D interface. CT111 is also known as CH on the EIA-232-D

interface.

Enable – The DTE’s CT111 signal may be used in conjunction with CT111 Rate Control (refer to the MUX Sub-Group

section of this table) to control modem rate.

Disable – Disregards the DTE’s CT111 signal.

Rcv Remote Loop: Enable

Nxt Enable Disable

Receive Remote Loopback Response. Determines if the modem responds to a request for a remote loopback issued

from a remote modem.

DTE RL (CT140): Disable

Nxt Disable Enable

DTE Remote Loopback. Controls the use of Pin 21 of the EIA-232-D/ITU-T V.24 interface by the DTE to initiate a remote

loopback. An Abort command or test time-out ends this test.

Enable – The DTE forces the modem into remote loopback when the signal on Pin 21 (CT140) is turned ON. Remote

Loop ends when the signal is dropped.

Disable – The DTE does not initiate remote loopback in response to the signal on Pin 21.

DTE LL (CT141): Disable

Nxt Disable Enable

DTE Local Loopback. Controls the use of Pin 18 of the EIA-232-D/ITU-T V.24 interface by the DTE to initiate a local

loopback. An Abort command or test time-out ends this test.

Enable – The DTE forces the modem into local loopback when the signal on Pin 18 (CT141) is turned ON. Local

loopback ends when the signal is dropped.

Disable – The DTE will not initiate local loopback in response to the signal on Pin 18.

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Zhone 3920Plus Manual de instrucciones Pagina 93