Physical Features; Front Panel - 3Com SuperStack 3 3870 Getting Started Manual

Physical Features

Front Panel

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This section describes the key features of the front and rear panel of the
Switch 3870.
The front panel includes 24 or 48 10BASE-T/100BASE-TX/1000BASE-T
network ports depending on the specific model you have purchased, 4
SFP ports that are shared with the last four RJ-45 ports (that is, port 21-24
on the 24-port Switch or port 45-48 on the 48-port Switch), an RJ-45
console port for management access, and various system status
indicators.
Figure 1 Front View of the 24-Port Switch 3870
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Figure 2 Front View of the 48-Port Switch 3870
Port Status LEDs
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10/100/1000BASE-T Ports
WARNING: RJ-45 Ports. These are shielded RJ-45 data sockets. They
cannot be used as standard traditional telephone sockets, or to connect
the Switch to a traditional PBX or public telephone network. Only
Port Status LEDs
15 4 16 5 17 6 18 7 19 8 20 9
10/100/1000BASE-T Ports
25 37 26 38 27 39 28 40 29 41 30 42 31 43 32
Physical Features
Stack Status/
Stack Master LEDs
Fault LED
Module Activity LED
21 10 22 11 23 12 24
Fault Power
Stack
S
Master
P S
Module
Activity
21 22
Dual Personality
10/100/1000BASE-T/
1000BASE-X SFP Ports
Stack Status/
Stack Master LEDs
Fault LED
Module Activity LED
44 33 45 34 46 35 47 36 48
Fault Power
Stack
S
Master
Module
P S
Activity
45
46
Dual Personality
10/100/1000BASE-T/
1000BASE-X SFP Ports
11
Power/Self Test LED
Module Status LED
Console Port
SuperStack 3 Switch 3870 24-port Unit LED
23 24
Power/Self Test LED
Module Status LED
Console Port
SuperStack 3 Switch 3870 48-port
Unit LED
48
47