Spectracom SAS17E, Руководство пользователя

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EPSILON Switch & Amplifier System E Spectracom Corporation
User’s Manual 3-4
It is possible to enable or disable the front panel switch via the Ethernet port. When disable, the
front panel switch has no action on the selection mode and this one could be only changed via
the field “network channel selection” or via the embedded SNMP “network channel selection”
command.
When the front panel switch is enabled, the field “Network channel selection” has no action on
the selection mode.
When the front panel switch is enables, to set the SAS-E in the mode…
o
“Forced A”, press and hold the key A for more than 2 seconds
o
“Forced B”, press and hold the key B for more than 2 seconds
o
“Automatic”, press and hold the key “auto” for more than 2 seconds.
According to the available power sources, enable or disable the Power Alarms using the "AC
Presence“ and “DC Presence” fields. A default on a supervised power generates a “Non Urgent
Alarm”.
All parameters are saved in a flash EPROM and are reloaded on further reboot.
In the case of a reboot and when the panel switch is enabled while Channel A and B are
monitored, the selection mode is set in the automatic mode by default.
3.4
3.4 3.4
3.4 Status of the SAS
Status of the SAS Status of the SAS
Status of the SAS-
- -
-E
E E
E
The status of SAS-E could be shown by a specific web page (refer to the web page discussion
contained herein) or by the status LED on the front panel.
3.4.1 Status LED
There are 4 green status LED for each source:
AL: Result of alarm input monitoring,
F: Result of frequency monitoring
1PPS: Result of 1PPS monitoring
ToD: Result of ToD monitoring
LEDs are ON when signal is monitored and present. If the signal is absent or not monitored, the
corresponding LED is off.
There are 3 orange status LEDs for the source selected:
A: ON when the channel A is selected and used to supply the signal outputs
B: ON when the channel B is selected and used to supply the signal outputs
Auto: ON when the automatic mode is selected through the front panel or the Ethernet port
and OFF when the SAS-E is forced on a specific channel