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 counters. This resets all statistics for this port to the default
values.
• Click Refresh to refresh the data on the screen and display the most current statistics.
EAP Statistics
Use the EAP Statistics page to display information about EAP packets received on a specific
port.
To display the EAP Statistics page, click the Monitoring  Ports tab, and then click the EAP
Statistics link.
STP BPDUs Received Number of STP BPDUs received at the selected port.
STP BPDUs Transmitted Number of STP BPDUs transmitted from the selected port.
RSTP BPDUs Received Number of RSTP BPDUs received at the selected port.
RSTP BPDUs Transmitted Number of RSTP BPDUs transmitted from the selected port.
MSTP BPDUs Received Number of MSTP BPDUs received at the selected port.
MSTP BPDUs Transmitted Number of MSTP BPDUs transmitted from the selected port.
802.3x Pause Frames
Transmitted
A count of MAC Control frames transmitted on this interface with an opcode
indicating the PAUSE operation. This counter does not increment when the
interface is operating in half-duplex mode.
EAPOL Frames Received The number of valid EAPOL frames of any type that have been received by
this authenticator.
EAPOL Frames
Transmitted
The number of EAPOL frames of any type that have been transmitted by this
authenticator.
Time Since Counters Last
Cleared
The elapsed time, in days, hours, minutes, and seconds since the statistics for
this port 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