NETGEAR GS748T User Manual

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GS748T Smart Switch
To configure port security settings:
1. T
o configure port security settings for a physical port, click PORTS.
2. T
o configure port security settings for a Link Aggregation Group (LAG), click LAGS.
3. T
o configure port security settings for both physical ports and LAGs, click ALL.
4. Select th
e check box next to the port or LAG to configure. Select multiple check boxes to
apply the same setting to all selected interfaces. Select the check box in the heading row to
apply the same settings to all interfaces.
5. S
pecify the following settings:
• Port Security. En
able or Disable the port security feature for the selected port.
• Max Allowed Dyn
amically Learned MAC. Sets the maximum number of
dynamically learned MAC addresses on the selected interface. Valid range is 0–600.
• Max All
owed Statically Locked MAC. Sets the maximum number of statically locked
MAC addresses on the selected interface. Valid range is 0–20.
• Ena
ble Violation Traps. Enables or disables the sending of new violation traps
designating when a packet with a disallowed MAC address is received on a locked
port.
6. Click Canc
el to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
7. If you ma
ke changes to the page, click Apply to apply the changes to the system.

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