NETGEAR GS748T User Manual

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GS748T Smart Switch
• Supplicant Timeout. Defines the amount of time that lapses before EAP requests
are resent to the user. The field value is in seconds. The field default is 30 seconds.
• Server Timeout. Defines the amount of time that lapses before the switch resends a
request to the authentication server. The field value is in seconds. The range is
1–65535, and the field default is 30 seconds.
• Control Direction. This displays the control direction for the specified port, which is
always Both. The control direction dictates the degree to which protocol exchanges
take place between Supplicant and Authenticator.The unauthorized controlled port
exerts control over communication in both directions (disabling both incoming and
outgoing frames). This field is not configurable.
• Protocol Version. This field displays the protocol version associated with the
selected port. The only possible value is 1, corresponding to the first version of the
802.1X specification. This field is not configurable.
• PAE Capabilities. This field displays the port access entity (PAE) functionality of the
selected port. Possible values are Authenticator or Supplicant. This field is not
configurable.
• Authenticator PAE State. This field displays the current state of the authenticator
PAE state machine. Possible values are as follows:
• Initialize
• Disconnected
• Connecting
• Authenticating
• Authenticated
• Aborting
• Held
• ForceAuthorized
• ForceUnauthorized
• Backend State. This field displays the current state of the backend authentication
state machine. Possible values are as follows:
• Request
• Response
• Success
• Fail
• Timeout
• Initialize
• Idle
• EAPOL Flood Mode. This field is used to enable or disable the EAPOL Flood mode
per Interface.The default value is Disable.
3. Click Apply to send the updated screen to the switch and cause the changes to occur on
the switch and the changes will be saved.

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