Introducing the GigaVUE-HC3
17
Software Upgrade Using USB Drive
If a GigaVUE-HC3 does not have network access, there is a USB port on the front of
the chassis. A software image can be downloaded to a USB drive, the drive can be
inserted into the USB port, and the software image can be installed from the drive.
The following are ways to download a software image to a USB drive:
•
Insert the drive into your computer or laptop and drag and drop the software image
onto the drive.
•
Insert the drive into a GigaVUE-HC3 with network access and use the
image fetch
CLI command with the
usb
download parameter.
Chassis Cooling
The fans on the GigaVUE-HC3 run at 50% of their maximum speed on power up, then
drop to approximately 30% during normal operations. The temperatures of five
components are monitored: transceivers, exhaust, CPU, switch CPU, and GigaSMART
CPU (e1/e2). When a component crosses a pre-defined threshold, the fan speed is
adjusted dynamically, in increments of approximately 15% (from 30% to 45% to 60% to
75%, and finally to a maximum of 80% for CCv1 and CCv2).
An SNMP trap is sent when a component reaches the threshold for warning, alert, or
critical temperature conditions. Refer to
for the temperatures at which the
warning, alert, and critical traps are sent and any additional action that occurs at a
threshold.
Table 1-3: Component Temperature Thresholds and Actions
The output of the following CLI command for CCv1 displays the current exhaust, CPU,
and switch CPU temperatures, as well as the intake temperature. For the GigaSMART
card, SMT-HC3-C05, the temperatures of two GigaSMART CPUs are displayed under
e1 CPU temperature and e2 CPU temperature, as follows:
(config) show environment type temperature
*** Box 1 (GVS-HC300) ***
-----------------------------------------------------------
Transceiver
Temperature
Exhaust
Temperature
CPU
Temperature
Switch CPU
Temperature
GigaSMART CPU
(e1/e2) Temperature
70ºC
Fan’s speed increases
70ºC
Fan’s speed
increases
95ºC
Fan’s speed
increases
105ºC
Fan’s speed increases
85ºC
Fan’s speed increases
80ºC
SNMP trap sent;
Transceiver power
disabled and link goes
down
75ºC
SNMP trap sent
100ºC
SNMP trap sent
110ºC
SNMP trap sent
90ºC
SNMP trap sent
85ºC
Link stays down
80ºC
System goes to
halt
105ºC
System goes to
halt
115ºC
System goes to halt
95ºC
SMT-HC3-C05 card
shuts down
Содержание GigaVUE-HC3
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