3Com 3CR17661-91, 3CR17662-91, 3CR17660-91 manual Switch 4200G 48-Port-front view

Models: 3CR17660-91 3CR17662-91 3CR17661-91

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16CHAPTER 1: INTRODUCING THE SWITCH 4200G FAMILY

Figure 3 Switch 4200G 48-Port—front view

 

 

 

Unit Status

 

 

 

 

 

Display

 

 

 

 

 

 

 

 

Mode

 

 

 

 

 

 

 

 

 

 

Console Port

 

 

 

 

Switch

 

Port Status LEDs

 

 

 

 

 

Mode

Power

 

 

 

 

 

LED

LED

 

 

 

 

 

 

 

 

 

Speed:Green = 100Mbps, Yellow = 10Mbps

Duplex:Green = Full Duplex, Yellow = Half Duplex

Power:Green = Deliverng Power. Yellow=Fault, Flashing Green=Over Budget

 

Mode

 

 

Green=Speed

 

 

 

 

 

Yellow=Duplex

 

 

 

49

50

51/49

52/50

 

 

 

 

 

PWR

 

 

 

 

 

MOD1

 

 

 

 

 

MOD1

10/100/1000BASE-T Ports

Gigabit SFP

10Gbps

 

Ports

Interface Slot

 

 

LEDs

WARNING: RJ-45 Ports. These are shielded RJ-45 data sockets. They cannot be used as standard traditional telephone sockets, or to connect the unit to a traditional PBX or public telephone network. Only connect RJ-45 data connectors, network telephony systems, or network telephones to these sockets.

Either shielded or unshielded data cables with shielded or unshielded jacks can be connected to these data sockets.

10/100/1000BASE-TThe Switch 4200G has 12, 24 or 48 auto-negotiating

Ports 10BASE-T/100BASE-TX ports configured as Auto MDIX (crossover). When auto-negotiation is enabled these ports automatically operate in MDI or MDIX mode as needed. These ports provide 10/100/1000 Mbps full-duplex connections to other Gigabit Ethernet devices. Full-duplex allows packets to be transmitted and received simultaneously which effectively doubles the potential throughput of a link.

These ports require either straight-through or cross-over Category 5 cables with RJ-45 connectors at each end. The maximum UTP cable length is 100 m (328 ft) over Category 5 cable.

The 10/100/1000BASE-T ports will auto-negotiate the appropriate speed.

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3Com 3CR17661-91, 3CR17662-91, 3CR17660-91 manual Switch 4200G 48-Port-front view