Digicom 3910, 3911 operation manual Backup, Status Identity DTE, LSD DTR DSR Tst

Status Branch

DTE

DTE displays the state and/or activity of the following interface leads: LSD, DTR, DSR, Tst, TXD, RXD, RTS, and CTS. The interface leads status is updated every 5 seconds.

To access DTE from the Status branch, make the following selections:

Status:

Identity DTE

F1 F2 F3

Press the key until DTE appears. Select DTE.

LSD DTR DSR Tst >

_	*	_
F1	F2	F3

The activity and state of the modem’s DTE signal appear on the LCD’s bottom line. Press the key to scroll other signals into view.

The LCD’s bottom line displays a pair of symbols for each interface lead. The first symbol indicates the signal’s activity since entering the DTE status display. An * (asterisk) indicates at least one transition while a blank space indicates no transitions.

The second symbol indicates the state of the interface lead at the sampling time. A (solid block) indicates a Space or ON condition while an underscore ( _ ) indicates a Mark or OFF condition.

To exit this function and remain in the Status branch, press the key. To exit and return to the

Top-Level menu, press the key.

Backup

The Status Backup function displays the configuration of the modem’s current operating line facility and the configuration and condition of the inactive line.

NOTE

The modem’s rear panel has two line interface jacks: LEASE and DIAL (see Figure 2-1 in Chapter 2, Modem Installation). The jack labeled LEASE is the APL primary interface and accepts either

2-wire or 4-wire APL. The jack labeled DIAL is the backup interface and accepts either 2-wire APL (Dual Lease Line) or Dial lines.

3910-A2-GN32-40 September 1998 4-7