Black Box 24 + or 48 + 4-Port Gigabit Managed Switch with SFP+ 10G, LGB5052A LGB5028A components

Chapter 2: Overview

2.4Hardware 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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	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	47	48	47	48	40	50	51	52

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	Figure 2-1. LGB5028A front panel.

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11 12

		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

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