NETGEAR GS748T User Manual

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GS748T Smart Switch
Use the buttons at the bottom of the page to perform the following actions:
• Click Clear to clear all the statistics counters, resetting all switch summary and detailed
statistics to default values. The discarded packets count cannot be cleared.
• Click Refresh to refresh the page with the most current data from the switch.
Octets Transmitted The total number of octets transmitted out of the interface, including framing
characters.
Packets Transmitted Without
Errors
The total number of packets transmitted out of the interface.
Unicast Packets Transmitted The total number of packets that higher level protocols requested be
transmitted to a subnetwork-unicast address, including those that were
discarded or not sent.
Multicast Packets
Transmitted
The total number of packets that higher level protocols requested be
transmitted to a Multicast address, including those that were discarded or
not sent.
Broadcast Packets
Transmitted
The total number of packets that higher-level protocols requested be
transmitted to the Broadcast address, including those that were discarded or
not sent.
Transmit Packets Discarded The number of outbound packets which were chosen to be discarded, even
though no errors had been detected, in order to prevent their being delivered
to a higher layer protocol. A possible reason for discarding a packet could be
to free up buffer space.
Most Address Entries Ever
Used
The highest number of Forwarding Database Address Table entries that
have been learned by this switch since the most recent reboot.
Address Entries in Use The number of Learned and static entries in the Forwarding Database
Address Table for this switch.
Maximum VLAN Entries The maximum number of Virtual LANs (VLANs) allowed on this switch.
Most VLAN Entries Ever
Used
The largest number of VLANs that have been active on this switch since the
last reboot.
Static VLAN Entries The number of presently active VLAN entries on this switch that have been
created statically.
Dynamic VLAN Entries The number of presently active VLAN entries on this switch.
VLAN Deletes The number of VLANs on this switch that have been created and then
deleted since the last reboot.
Time Since Counters Last
Cleared
The elapsed time, in days, hours, minutes, and seconds, since the statistics
for this switch were last cleared.
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