NETGEAR GS748T User Manual

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GS748T Smart Switch
3. When the selected Ingress Control Mode is an option other than Disable, select Enable or
Disable from the Status menu to specify the administrative status of the mode.
4. In the
Threshold field, specify the maximum rate at which unknown packets are forwarded.
The range is a percent of the total threshold between 0–100%. The default is 5%.
5. Click Canc
el to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
6. If you ma
ke changes to the page, click Apply to apply the changes to the system.
Port Security Configuration
Use the Port Security feature to lock one or more ports on the system. When a port is locked,
only packets with an allowable source MAC addresses can be forwarded. All other packets
are discarded.
To display the Port Security Configuration page, click Security
 Traffic Control, and then
click the Port Security
 Port Security Configuration link.
To configure the global port security mode:
1. I
n the Port Security Mode field, select the appropriate radio button to enable or disable
port security on the switch.
2. Click Canc
el to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
3. If you ch
ange the mode, click Apply to apply the change 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