Patton electronic 1082 - Manual (Page 23)

23
6.3 TEST MODES
The Model 1082/I and Model 1082/144/I has a built-in proprietary loop-
back test mode, plus a built-in V.52 BER test pattern generator, for evalu-
ating the condition of the modems and the communication link. These
tests can be activated physically from the front panel, or via the interface.
Remote Digital Loopback (RDL)/V.52 (BER)
The Remote Digital Loopback (RDL) test checks the performance of both
the local and remote Model 1082s, and the communication link between
them. Any characters sent to the remote Model 1082 in this test mode
will be returned back to the originating device (see Figure 7, below). For
example, characters typed on the keyboard of the local terminal will
appear on the local terminal screen after having been passed to the
remote Model 1082 and looped back.
Figure 12. Remote digital loop
Table 2: LED configurations
LOCAL REMOTE
10Base-T DSL Status NS ER TM 10Base-T DSL Status NS ER TM
Power ON G* off F on off off G* off F O
N off off
DSL Link G* G F off off off G* off F off off off
Link Brk G* off F off off off G* off F off off off
Brk+ 10s G* off F ON off off G* off F O
N off off
RDL G* G F off off ON G* off F off off ON
RDL+511 G* off F off off ON G* off F off off ON
With DTE Connected With DTE Connected
Mark G* G F off off off G* G F off off off
Space G* G F off off off G* G F off off off
Data G* G F off off off G* G F off off off
G=GREEN
O=ORANGE
ON= ON
off= OFF
Brk+10s = 10 Seconds following Link Break
G*=Green if a valid 10Base-T connection is detected.
F=Flashing
Link Brk = DSL Link Broken
RDL initiated
Remote 1082 Local 1082