NETGEAR GS748T User Manual

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GS748T Smart Switch
The following table describes the information available on the MFDB Statistics page:
Field Description
Max MFDB Table
En
tries
Displays the maximum number of entries that the Multicast Forwarding Database
table can hold.
Most MFDB Entries
Si
nce Last Reset
The largest number of entries that have been present in the Multicast Forwarding
Database table since the system was last reset. This value is also known as the
MFDB high-water mark.
Current Entries Displays the current number of entries in the Multicast Forwa
rding Database table.
Click Refresh to u
pdate the information on the screen with the most current data.
IGMP Snooping VLAN Configuration
Use the IGMP Snooping VLAN Configuration page to configure IGMP snooping settings for
VLANs on the system.
To access the IGMP Snooping VL
AN Configuration page, click Switching Multicast  IGMP
Snooping
 IGMP Snooping VLAN 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