NETGEAR GS748T User Manual

238
GS748T Smart Switch
The following table describes the cable information displayed on the screen.
Field Description
Interface Specifies the interface that ha
s the connected cable.
Cable Status Displays the cable status.
• Normal: the cable is working correctly.
• Open: the cable is disconnected or
there is a faulty connector.
• Short: there is an electrical short in the cable.
• Cable Test Failed: The cable status co
uld not be determined. The
cable may in fact be working.
• Unknown: The test has not been performed.
Cable Length The estimated length of the cable in meters. The length is displayed as a
ra
nge between the shortest estimated length and the longest estimated
length. Unknown is displayed if the cable length could not be determined.
The Cable Length is displayed only if the cable status is Normal.
Failure Location The estimated distance in meters from the
end of the cable to the failure
location. The failure location is displayed only if the cable status is Open
or Short.
Use the button at the bottom of the page to perform the following actions:
• Click Refresh to refresh the dat
a on the screen and display the most current statistics.
System Logs
The switch may generate messages in response to events, faults, or errors occurring on the
platform as well as changes in configuration or other occurrences. These messages are
stored locally and can be forwarded to one or more centralized points of collection for
monitoring purposes or long term archival storage. Local and remote configuration of the
logging capability includes filtering of messages logged or forwarded based on severity and
generating component.
The Mo
nitoring  Logs tab contains links to the following folders:
• Memory Logs on p
age 239
• FLASH Log Configuration on p
age 241
• Server Log Configuration o
n page 243
• Trap Logs on p
age 245
• Event Logs on p
age 246

NETGEAR GS748T Specifications

General

Basic switching RJ-45 Ethernet ports quantity	48
MAC address table	16000 entries
Packet buffer memory	1.632 MB
Maximum data transfer rate	1 Gbit/s
Latency	20 µs
I/O ports	48 RJ-45 connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T (Auto Uplink on all ports) 4 SFP slots for fiber Gigabit Ethernet modules
Dimensions (WxDxH)	440 x 260 x 43 mm
Power requirements	100-240VAC 50/60 Hz
Networking features	10BASE-T, 100BASE-TX, 1000BASE-T
Connectivity technology	Wired
Full duplex	Yes
Networking standards	IEEE 802.3x
Minimum system requirements	Category 5 network cables Network card for each PC Network software (e.g., Windows)
Mean time between failures (MTBF)	69930 h
Safety	UL listed (UL 1950)/cUL, IEC950/EN60950
LED indicators	Link, Power
Power consumption (typical)	70 W
Storage temperature (T-T)	-10 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 90 %

Weight and Dimensions

Weight	4000 g