NETGEAR GS748T User Manual

153
GS748T Smart Switch
DSCP to Queue Mapping
Use the DSCP to Queue Mapping page to specify which internal traffic class to map the
corresponding DSCP value.
To display the IP DSCP Mapping page, click QoS
 CoS  Advanced  DSCP to Queue
Mapping.
To map DSCP values to queues:
1. F
or each DSCP value, select a hardware queue to associate with the value.
The traffic class is the hardware queue for a port. Higher traffic class values indicate a
h
igher queue position. Before traffic in a lower queue is sent, it must wait for traffic in
higher queues to be sent. Valid range is 0–7.
2. Click Canc
el to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
3. If you ma
ke changes to the page, click Apply to apply the changes to the system.

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