NETGEAR GS748T User Manual

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GS748T Smart Switch
To configure global LLDP settings:
1. Con
figure the following LLDP properties.
• T
LV Advertised Interval. Specify the interval at which frames are transmitted. The
default is 30 seconds, and the valid range is 5–32768 seconds.
• Hold
Multiplier. Specify multiplier on the transmit interval to assign to Time-to-Live
(TTL). The default is 4, and the range is 2–10.
• Rei
nitializing Delay. Specify the delay before a reinitialization. The default is 2
seconds, and the range is 1–10 seconds.
• T
ransmit Delay. Specify the interval for the transmission of notifications. The default
is 5 seconds, and the range is 5–3600 seconds.
2. T
o change the LLDP-MED properties in the Fast Start Duration field, specify the number of
LLDP packets sent when the LLDP-MED Fast Start mechanism is initialized, which occurs
when a new endpoint device links with the LLDP-MED network connectivity device. The
default value is 3, and the range is from 1–10.
3. Click App
ly to apply the new settings to the system.
4. Click Canc
el to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
5. Click Refresh t
o update the screen with the current information.

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