3Com 3CR17451-91, 3CR17450-91 manual Switch, 3870

1	INTRODUCING THE SUPERSTACK 3
	SWITCH 3870

This chapter contains introductory information about the Switch 3870 and how it can be used in your network. It covers summary information about the hardware and the following topics:

■About the Switch 3870

■Switch 3870 — Front View Detail

■Switch 3870 — Rear View Detail

■Default Settings

About the Switch The Switch 3870 24 port unit is a mixed media device which consists of:

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■24 10BASE-T/100BASE-TX/1000BASE-T RJ-45 ports and

■Four 10/100/1000BASE-T/1000BASE-X SFP ports

The Switch 3870 48 port unit is a mixed media device which consists of:

■48 10BASE-T/100BASE-TX/1000BASE-T RJ-45 ports

■Four 10/100/1000BASE-T/1000BASE-X SFP ports

The four highest numbered RJ-45 ports (21–24 on the 24-port Switch, 45–48 on the 48-port Switch) and the SFP ports are combination ports. When an SFP module is inserted it has priority over the RJ-45 port with the same number and the RJ-45 port is disabled.

For information about using the software features of the Switch, refer to the “Switch Management Interface Reference Guide” on the CD-ROM that accompanies the Switch.