NETGEAR GS748T User Manual

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GS748T Smart Switch
DHCP Filtering Configuration
Use the DHCP Filtering Configuration page to enable or disable the DHCP Filtering feature
on the switch.
To access the DHCP Filter Configuration page, click System
 Services  DHCP Filtering 
Configuration.
To configure global DHCP filtering settings:
1. In
the Admin Mode field, select Enable or Disable to turn the DHCP Filtering feature on
or off.
2. Click App
ly to apply the change to the system. Configuration changes take effect
immediately.
3. Click Canc
el to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
Interface Configuration
Use the DHCP Filtering Interface Configuration page to view and configure each port as a
trusted or untrusted port. Any DHCP responses received on a trusted port are forwarded. If a
port is configured as untrusted, any DHCP (or BootP) responses received on that port are
discarded.
To access the DHCP Filtering Interface Configuration page, click System
 Services  DHCP
Filtering
 Interface Configuration.

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