NETGEAR GS748T User Manual

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GS748T Smart Switch
The following table describes the Switch Statistics displayed on the screen.
Field Description
ifIndex This object indicates the ifIndex of the interface table entry associated with
the processor of this switch.
Octets Received The total number of octets of data received by the processor (excluding
fra
ming bits, but including FCS octets).
Packets Received Without
Errors
The total number of packets (including broadcast packets and multicast
p
ackets) received by the processor.
Unicast Packets Received The number of subnetwork-unicast packets delivered to a higher layer
protoco
l.
Multicast Packets Received The total number of packets received that were directed to a multicast
ad
dress. This number does not include packets directed to the broadcast
address.
Broadcast Packets Received The total number of packets received that were directed to the broadcast
ad
dress. This does not include multicast packets.
Receive Packets Discarded The number of inbound packets which were chosen to be discarded, even
thoug
h 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.

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