NETGEAR GS748T User Manual

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GS748T Smart Switch
Voice VLAN OUI
The Organizational Unique Identifier (OUI) identifies the IP phone manufacturer. The switch
comes preconfigured with the following OUIs:
• 0
0:01:E3: SIEMENS
• 00
:03:6B: CISCO1
• 00
:12:43: CISCO2
• 0
0:0F:E2: H3C
• 0
0:60:B9: NITSUKO
• 0
0:D0:1E: PINTEL
• 0
0:E0:75: VERILINK
• 0
0:E0:BB: 3COM
• 0
0:04:0D: AVAYA1
• 0
0:1B:4F: AVAYA2
You can select an existing OUI or add a new OUI and d
escription to identify the IP phones on
the network.
To display the Voice VLAN OUI page, click Switching
 Voice VLAN  Advanced  OUI.

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