NETGEAR GS748T User Manual

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GS748T Smart Switch
Click Refresh to refresh the page with the most current data from the switch.
Global ARP Configuration
Use the Global ARP Configuration page to display and change the configuration
parameters of the ARP table.
To display the page, click Routing
 ARP, and then click the Advanced  Global ARP
Configuration link.
To configure the global ARP settings:
1. In the Age T
ime field, enter the value you want the switch to use for the ARP entry
ageout time. You must enter a valid integer, which represents the number of seconds it
will take for an ARP entry to age out. The range is 15 to 21600 seconds. The default
value is 1200 seconds.
2. In
the Max Response Time field, enter the value you want the switch to use for the ARP
response timeout. You must enter a valid integer, which represents the number of seconds
the switch will wait for a response to an ARP request. The range is 1 to 10 seconds. The
default value is 1 second.
Type The type of the ARP entry. Possible values are:
• Local. An ARP entry associated with one of the switch’s routing
in
terface’s MAC addresses.
• Gateway. A dynamic ARP entry whose IP address is that of a router.
• Static. An ARP entry configured by the user.
• Dynamic. An ARP entry which has been learned by the router.
Age
Age since the entry was last refreshed in the ARP Table. The format is
hh:mm:ss.
Field Description

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