Phoenix Contact 2313643, User Manual, Page: 79 / 94

Troubleshooting
104273_en_01 PHOENIX CONTACT
79
7 Troubleshooting
Table 7-1 Diagnostic IDs
ID Meaning LED Possible cause(s) Port Remedy
Fault
1 Flash memory
defective
VCC and
ERR are
flashing
(2 Hz)
Flash memory defective – Replace device
2 Reserved – – – –
3
(FW
2.0 or
later)
Device config-
ured for 4-wire
operation but
2-wire installation
(line)
DIAG on
ERR on
LINK of the
corresp.
port
flashes
(2 Hz)
Configuration does not match installa-
tion
DSL_A,
DSL_B
Depending on the desired topol-
ogy:
– Install 4-wire system
or
– Configure device for 2-wire
configuration (reset to default
values as an alternative)
4 Extensive interfer-
ence is disturbing
data transmission
DIAG on 1. Interference on the Ethernet or
DSL path
2. Crosstalk on the DSL path
ETH,
DSL_A,
DSL_B
Ethernet port errors:
– Check installation of the
RJ45 connector (wire pair,
shielding)
– Check the condition of the
cable
– Check the cable length (less
than 100 m)
DSL port A or B errors
– Check whether the wire pair
is connected correctly (twist-
ed pair, star quad stranding).
– Reduce DSL data rate.
5 Frequent connec-
tion aborts
DIAG on The DSL path was interrupted several
times within a short time (8 times in
10 minutes at least):
1. By unplugging the connector
several times
2. By an incorrect configuration of
the link partner
3. By a data rate that was set too
high
DSL_A,
DSL_B
1. –
2. Compare the device configu-
ration with the configuration
of the neighboring device:
– Both devices must have
the same project profile
or
– Both devices must have
the default settings
3. Reduce data rate.
6 Error when boot-
ing the switch
VCC and
ERR are
flashing
(2 Hz)
Switch defective – Replace device