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Datacom DM991C Manual Página 75

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Product Manual - DM991 Series V Family - 204.4092.08 75
17. PANEL LEDS
17.1. DM991S/SE Modems Front Panel LEDs
Led
Status
Behaviour
ALIM
Equipment on
Turned on
Recived data
Turned on
Receiving all 1 or all 0
Turned off
Transmited data
Turned on
Transmiting all 1 or all 0
Turned off
No carrier
Turned off
AIS reception
Blinks twice a second (most of the time turned off)
No frame synch
Blinks once a second (most of the time turned off)
Remote Alarm Indication
Blinks once a second (most of the time on)
No CAS synch *
Blinks once a second (most of the time on)
No CRC4 synch *
Blinks twice a second (most of the time on)
Frame, CAS and CRC4
synch
Turned on
106/E1
◊
Ready to transmit Follows CT106
Link Ethernet
Turned on
Activity on the Interface
Blinks
No carrier
Turned off
Handshake
Blinks once a second (most of the time turned off)
Training
On time equal to off time, blinking once every second
(1Hz)
TDM not aligned *
On time equal to off time, blinking once every second
(1Hz)
LOSWD or LOSWF
On time equal to off time, blinking four times every
second (4Hz)
CRC error or no CAS synch Blinks once a second (most of the time on)
In synch
Turned on
Configured for internal clock Turned on
Configured for regenerated
clock which is ok
Turned off
No test active
Turned off
Any test active
Turned on
BERT error detected in the
G.shdsl interface
On time equal to off time, blinking four times every
second (4Hz)
TEST
109
(Ø)
DSL
ETH
⊥
104
₪
103
₪
106 E1
†
R. INT
Table 22. LEDs Meaning - DM991S/SE
* When enabled, otherwise ignored.
₪ When interface V.35 is disabled, these LEDs will represent data from interface E1 or data from the
Ethernet interface (only in DM991SE, if interface E1 is disabled).
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