NETGEAR GS748T User Manual

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GS748T Smart Switch
To configure global TACACS+ settings:
1. In the Key S
tring field, specify the authentication and encryption key for TACACS+
communications between the GS748T and the TACACS+ server. The valid range is
0–128 characters. The key must match the key configured on the TACACS+ server.
2. In
the Connection Timeout field, specify the maximum number of seconds allowed to
establish a TCP connection between the GS748T and the TACACS+ server. The valid
range is 1–30 seconds.
3. Click Cancel
to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
4. If
you make any changes to the page, click Apply to apply the new settings to the system.
TACACS+ Server Configuration
Use the TACACS+ Server Configuration page to configure up to five TACACS+ servers with
which the switch can communicate.
To display the TACACS+ Server Configuration page, click Security
 Management Security,
and then click the TACACS+
 Server Configuration link.
To configure TACACS+ server settings:
1. T
o add a new TACACS+ server, select Add from the TACACS+ Server field, enter the
IP address of the server to add, and click Apply.
Note: The Add option is available if fewer than five TACACS+ servers are
configured on the system, and the Server Address field is only
available when Add is selected in the TACACS+ Server IP Address
field.

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