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CHAPTER 2: OVERVIEW
TABLE 2-1. LBH120A-H, LBH120A-H-SC AND LMC270A-MM-SC COMPONENTS
NUMBER IN FIGURE 2-1
COMPONENT
DESCRIPTION
1
(4) RJ-45 connectors
Links to RJ-45 devices
2
(1) RJ-45 connector
Links twisted-pair uplink
3
(1) Link/Activity LED
Lights when there is activity on the link
4
(1) Speed LED on RJ-45 connector
Lights when data is being transmitted at 100 Mbps
5
(1) Link/Activity LED on RJ-45 connector
Lights when there is activity on the link
6
(1) Speed LED on SFP port
Lights when data is being transmitted at 100 Mbps
7
(1) pair of SC or ST connectors
Links to fiber optic cable, uplink port on the LBH120A-H-SC
and device port on the LMC270A-MM-SC
TABLE 2-2. PORTS ON THE SWITCHES AND MEDIA CONVERTERS
PRODUCT CODE
NUMBER OF RJ-45 PORTS
NUMBER OF FIBER PORTS
SWITCHES
LBH120A-H
5 (4 device, 1 uplink)
None
LBH120A-H-SC
4
(1) SC
LBH120A-H-ST
4
(1) ST
LBH120A-H-20K-SC
4
(1) SC, 20 km distance
LBH120A-H-40K-SC
4
(1) SC, 40 km distance
LBH120A-H-75K-SC
4
(1) SC, 75 km distance
MEDIA CONVERTERS
LMC270A-MM-SC
1
(1) SC
LMC270A-MM-ST
1
(1) ST
LMC270A-SM-20K-SC
1
(1) SC, 20 km distance
LMC270A-SM-40K-SC
1
(1) SC, 40 km distance
LMC270A-SM-75K-SC
1
(1) SC, 75 km distance
LMC270A-SM-20K-ST
1
(1) ST, 20 km distance
