NETGEAR GS748T User Manual

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GS748T Smart Switch
After you add one or more TACACS+ servers, additional fields appear on the TACACS+
Server Configuration page.
2. In the Priority field, specify the order in which the TACACS+ servers are used. A value of 0
is the highest priority.
3. In the Po
rt field, specify the authentication port number through which the TACACS+
session occurs. The default is port 49, and the range is 0–65535.
4. In the Ke
y String field, specify the authentication and encryption key for TACACS+
communications between the GS748T and the TACACS+ server. This key must match the
encryption used on the TACACS+ server. The valid range is 0–128 characters.
5. In the Co
nnection Timeout field, specify the amount of time that passes before the
connection between the device and the TACACS+ server times out. The field range is from
1 to 30 seconds.
6. If you ma
ke changes to the page, or add a new entry, click Apply to apply the changes to
the system.
7. T
o delete a configured TACACS+ server, select the IP address of the server from the
TACACS+
Server drop down menu, and then click Delete.
Authentication List Configuration
Use the Authentication List page to configure the default login list. A login list specifies one or
more authentication methods to validate switch or port access for the admin user.
Note: Admin is the only user on the system and is assigned to a
preconfigured list named defaultList, which you cannot delete.
To access the Authentication List page, click Security  Management Security, and then click
the Authentication List link.

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