NETGEAR GS748T User Manual

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GS748T Smart Switch
The severity can be one of the following levels:
• Emergency (0): The highest level warning level. If the device is down or not
functioning properly, an emergency log is saved to the device.
• Alert (1): The second highest warning level. An alert log is saved if there is a serious
device malfunction, such as all device features being down. Action must be taken
immediately.
• Critical (2): The third highest warning level. A critical log is saved if a critical device
malfunction occurs, for example, two device ports are not functioning, while the rest of
the device ports remain functional.
• Error (3): A device error has occurred, such as if a port is offline.
• Warning (4): The lowest level of a device warning.
• Notice (5): Normal but significant conditions. Provides the network administrators
with device information.
• Information (6): Provides device information.
• Debug (7): Provides detailed information about the log. Debugging should only be
entered by qualified support personnel.
3. If you make any changes to the page, click Apply to apply the change to the system.
The rest of the page displays the number of persistent messages the system has logged and
the persistent log messages.
Use the buttons at the bottom of the page to perform the following actions:
• Click Clear to clear the messages out of the buffered log.
• Click Refresh to refresh the page with the most current data from the switch.
• Click Cancel to cancel the configuration on the screen and reset the data on the screen
to the latest value of the switch.

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