Led Status Monitors; Test Modes - Patton electronics 1089/C User Manual

Hdsl modem with v.35 or x.21 interface
Table of Contents

Advertisement

5 5 . . 0 0 O O P P E E R R A A T T I I O O N N
Once the Model 1089 is properly configured and installed, it
should operate transparently. This sections describes power-up, read-
ing the LED status monitors, and using the built-in loopback test
modes.
5.1 POWER-UP
To apply power to the Model 1089, first be sure that you have
read Section 4.4. The unit powers up when it is plugged into the
power source.

5.2 LED STATUS MONITORS

The Model 1089 features six front panel LEDs that monitor
power, the DTE signals, network connection and test modes. Figure
10 (below) shows the front panel location of each LED. Following
Figure 10 is a description of each LEDs function. See also, section
5.2.1 Model 1089 LED Descriptions Chart
NetLink X.21 HDSL Rocket
DSL
Link
TD
RD
NS
ER
Figure 10. Model 1089 Front Panel
DSL Link
(Active Green) Solid green (On) indicates that the
end to end DSL Framer Link is up, signifying that
the link across the DSL span is active. The DSL
Link LED is Off when the link is down.
TD & RD
Glows yellow to indicate an idle condition of Binary
"1" data on the respective terminal interface sig-
nals. Green indicates Binary "0" data
NS
(No Signal) glows red to indicate that the local
Model 1089 is not connected with the remote
Model 1089.
ER- blinks
ON/OFF after a 511/511E test has timed out. See
Section 5.3.3 (Test Pattern Generator) for more
information.
- flashes once to indicate that a CRC error has
occurred (during normal operation) or bit errors
have occurred (during 511/511E tests).
15
TM
- 511E
Local -
Normal -
- Normal
Remote -
- 511
- Only at power up, blinks once every 200 ms if
the DTE Rate is set to an unsupported settings
TM
glows yellow to indicate that the Model 1095
has been placed in Test Mode. The unit can be
placed in test mode by the local user or by the
remote user. The TM LED will flash for 400msec
when a valid packet is received from the Model
1001MC.
5.2.1 Model 1089 LED Descriptions Chart
Clock (CO) Internal 768Kb No DTE
TD
RD DSL
NS
ER
TM
Power ON G
O
off
ON
off off
DSL Link G
O
G
off off off
Link Brk G
O
off
off off off
Brk+ 10s G
G
off
ON
off off
RDL
G
G
G
off
off ON
RDL+511
G
G
off
off off ON
With DTE Connected
Mark
O
O
G
off
off off
Space
G
G
G
off
off off
Data
GO
GO
G
off
off off
Link Brk = DSL Link Broken
Brk+10s
= 10 Seconds following Link Break
G=GREEN
O=ORANGE
ON= ON
off= OFF
Y=yellow

5.3 TEST MODES

The Model 1089 offers two proprietary loopback test modes, plus
a built-in V.52 BER test pattern generator to evaluate the condition of
the modems and the communication link. These tests can be activat-
ed physically from the front panel or via the DTE interface.
5.3.1 Overview
Figure 11 shows the major elements used in the loop-back and
pattern tests available in the Model 1089. Each block has several func-
tions. Following Figure 11 are descriptions that show how the elements
are used during Test Modes.
16
Clock (CP) R/R No DTE
TD
RD
DSL
NS
ER
TM
O
O
off
ON
off
off
O
G
G
off
off
off
O
O off
off
off
off
O
O off
ON
off
off
O
G
G
off
off
ON
O
G off
off
off
ON
With DTE Connected
O
O
G
off
off
off
G
G
G
off
off
off
GO
GO
G
off
off
off

Advertisement

Table of Contents
loading

This manual is also suitable for:

1089 d

Table of Contents