Digicom COMSPHERE 3910 - Manual (Page 57)

Status Branch
4-7 3910-A2-GN32-40 September 1998
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:
F1
Status:
Identity DTE
F2 F3
Press the key until DTE appears. Select DTE.
F1
LSD DTR DSR Tst >
_ * _
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.