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Page 14
LGB5028A User‘s Manual
724-746-5500 | blackbox.com
Chapter 2: Overview
2.4 Hardware Description
2.4.1 LGB5028A
FIgures 2-1 and 2-2 show the front and back panels of the LGB5028A. Table 2-1 describes its components.
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Figure 2-1. LGB5028A front panel.
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Figure 2-2. LGB5028A back panel.
Table 2-1. LGB5028A components.
Number Component Description
1 Mode button Switches between Link/Act mode and Speed mode.
2 Switch TP Port LEDs
In Speed mode, Link LED will light green (1000 Mbps) or amber (100 Mbps).
In Link/Act mode, LED lights to show Link and blinks to show Act.
3 Switch combo port LEDs
In Speed mode, Link LED will light green (1000 Mbps) or amber (100 Mbps).
In Link/Act mode, LED lights to show Link and blinks to show Act.
4 Switch SFP port LEDs Light when Link is present; OFF when no link is present.
5 Link/Act LED Lights when mode is set to Link/Act.
6 System LED Lights when unit is powered ON.
7 Speed LED Lights when mode is set to Speed.
8 (24) 10/100/1000BASE-T RJ-45 ports Copper Ethernet ports.
9 100/1G SEP combo ports 1G/100 Mbps SFP ports
10 1G/10G SFP ports 10G/1G SFP ports
11 Console connector DB9 male console port
12 AC power socket IEC 320 power socket
