NETGEAR ProSafe GS748T Hardware Installation Guide

7
GS748T Gigabit Smart Switch
Features
The following list identifies the key features of the GS748T:
• Forty-eight 10/100/1000 Mbps auto-sensing Gigabit-Ethernet switching ports.
• Two SFP combo ports.
• Two dedicated 1000M SFP fiber ports.
• Full NETGEAR Smart Switch functionality.
• Full compatibility with IEEE standards:
• IEEE 802.3i (10BASE-T)
• IEEE 802.3u (100BASE-TX)
• IEEE 802.3ab (1000BASE-T)
• IEEE 802.3z (1000BASE-x)
• IEEE 802.3az (Energy Efficient Ethernet)
• IEEE 802.3x (Full-duplex flow control)
• Autosensing and auto-negotiating capabilities for all ports.
• Auto Uplink™ on all ports to make the right connection.
• Automatic address learning function to build the packet-forwarding information table. The
table contains up to 8K Media Access Control (MAC) addresses.
• Store-and-Forward transmission to remove bad packets from the network.
• Full-duplex IEEE 802.3x pause frame flow control.
• Active flow control to minimize packet loss and frame drops.
• Half-duplex backpressure control.
• Per port LEDs and power LED.
• Internal power supply.
• Standard NETGEAR 7xx series chassis.
• NETGEAR Green product series power-saving features:
• Automatic power consumption adjustment based on the RJ-45 cable length.
• Per port automatic power down when the port link is down.
• Energy Efficient Ethernet (EEE), defined by IEEE 802.3az, supports operation in a
Low Power Mode.

NETGEAR ProSafe GS748T Specifications

Interface

RJ-45 connectors	48
SFP GBIC module bays	4
Auto Uplink	Yes

Performance Specifications

Bandwidth	40 Gbps
Network latency	Less than 20 microseconds
Buffer memory	1, 632 KB

Power Supply

Power consumption	70 W maximum
Input voltage	100-240VAC
Frequency	50-60 Hz

Physical Specifications

Dimensions (H x W x D)	1.7 x 17.3 x 10.1 in
Weight	8.8 lbs
Weight (kg)	4.0 kg

Environmental Specifications

Operating temperature	0 to 40°C
Storage temperature	-20 to 70°C
Operating humidity	90% maximum relative humidity