NETGEAR GS748T User Manual

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GS748T Smart Switch
To configure the Dynamic Address setting:
1. S
pecify the number of seconds the forwarding database should wait before deleting a
learned entry that has not been updated. IEEE 802.1D-1990 recommends a default of
300 seconds. You may enter any number of seconds between 10 and 1000000. The
factory default is 300.
Note: IEEE 802.1D recommends a default of 300 seconds, which is the
factory default.
2. Click Cancel to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
3. Click Apply
to apply to send the updated configuration to the switch. Configuration changes
take effect immediately.
Static MAC Address
Use the Static MAC Address Configuration page to configure and view static MAC addresses
on an interface.
To access the Static MAC Address Configuration p
age, click Switching Address Table 
Advanced
 Static MAC Address.

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