Page 9 of 22
CHAPTER 2: PHYSICAL DESCRIPTION
This chapter describes the hardware features of the NETGEAR Model GSM7224 Managed Layer 2 Gigabit
Ethernet Switch. Topics include:
• Front and back panels
• 10/100/1000 Mbps auto-sensing RJ-45 ports
• SFP module bay
• LED descriptions
• Console port
Front and Back Panels
Figures 2-1 and 2-2 show the key components on the front and back panels of the NETGEAR Model
GSM7224 Managed Layer 2 Gigabit Ethernet Switch.
The front panel contains LEDs, RJ-45 jacks, SFP module bays, and a console port. The back panel has a
standard AC power receptacle for accommodating the supplied power cord.
Figure 2-1. Front Panel of the GSM7224 Managed Layer 2 Gigabit Ethernet Switch
Figure 2-2. Back Panel of the GSM7224 Managed Layer 2 Gigabit Ethernet Switch
10/100/1000 Mbps RJ-45 Ports
As Figures 2-1 and 2-3 show, the GSM7224 Managed Layer 2 Gigabit Ethernet Switch has 24 10/100/1000
Mbps RJ-45 ports. The RJ-45 ports are auto-sensing 10/100/1000 Mbps ports. When you insert a cable
into an RJ-45 port, the switch automatically ascertains the maximum speed (10, 100, or 1000 Mbps) and
duplex mode (half- or full-duplex) of the attached device.
To simplify the procedure for attaching devices, all RJ-45 ports support Auto Uplink. This technology lets
you attach devices to the RJ-45 ports using either straight-through or crossover cables. When you insert a
cable into the switch’s RJ-45 port, the switch automatically:
• Senses whether the cable is a straight-through or crossover cable
• Determines whether the link to the attached device requires a “normal” connection (such as
when connecting the port to a PC) or an “uplink” connection (such as when connecting the port
to a router, switch, or hub)
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