Artel DigiLink DLC300, Инструкция по установке и эксплуатации

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DLC300 Function Module Installation and Operations Manual 17
Monitoring the DLC300 Module Operations
Table 6. DLC300 Front Panel Status LEDs
LED Indicates . . . State Description Alarms Action
EMS Element
Management
System
(DL Manager)
status Off The DLC300 module is in local
mode and its configuration is
controlled by the onboard
configuration switches. None None.
Green The DLC300 module is in remote
mode and the configuration has
been set by DL Manager. When
in remote mode, the actual
configuration of the module will
likely not match the settings of
the configuration switches and
changing the configuration
switches will have no effect on
the module’s operation. None None.
TX
2
Transmitter status
of the
corresponding
primary (PRI) and
secondary (SEC)
optical
connections Off Receiver mode is selected or the
corresponding PRI or SEC SFP is
not installed. None None.
Green Normal TX operation (input
signal is present). None None.
Yellow Standby operation (signal from
the standby generator).
Red (flashing) No SFP is installed in either
socket or an SFP TX failure exists. Major Install an SFP or replace
the existing SFP. Also,
check the DLC300
configuration.
RX
2
Receiver status of
the corresponding
primary (PRI) and
secondary (SEC)
optical
connections Off Transmitter mode is selected or
the corresponding PRI or SEC
SFP is not installed. None None.
Green Normal RX operation (input
signal is present). None None.
Yellow (solid) 143 Mb PRBS non-video standby
signal detected.
Yellow
(flashing) Receive optical power is high. Minor Check the optical RX
signal power or the SFP.
Red (flashing) Low light, loss of the SFP RX
signal, the PRI and SEC SFP
sockets are both missing SFPs, or
an SFP RX failure exists. Major Check the optical RX
signal power or replace
the SFP.