Patton electronic 1082, 144, I user manual Test Modes, Remote Digital Loopback RDL/V.52 BER

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

off

off

N

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

off

off

N

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

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.

Local 1082 Remote 1082

RDL initiated

Figure 12. Remote digital loop

23