User's Manual Part 2

Installing the LGCell
9-24 LGCell 4.0 Installation, Operation, and Reference Manual PN 8100-40
620004-0 Rev. E
Connect the MMF cables
Before connecting the MMF cables, confirm that the optical loss does not exceed
3dB optical.
If fiber distribution panels are used, confirm that the total optical loss of fiber cable,
from the Main Hub through distribution panels and patch cords to the Expansion
Hub, does not exceed 3 dB optical.
Connect all MMF cables from the Main Hub to the Expansion Hub(s).
To clean the fiber ports:
Use compressed air to blow dust out of each fiber port before you insert the ST opti-
cal connector. Note that compressed air should not leave any residue as this will con-
taminate the fiber port.
To clean the fiber connectors:
Be sure that the MMF cable ST optical connectors are clean and free of dust or oils. If
the fiber connector front face is not free of dust or oils, follow the manufacturer’s rec-
ommendations for cleaning it.
To connect the MMF cables:
The MMF cable is labeled with either
1 or 2, or is color-coded. This differentiates the
connectors for proper connection between the Main Hub and Expansion Hubs. For
proper connection between the Main Hub ports and the Expansion Hub ports, refer to
the numbered or color-coded connections that were recorded when the Main Hub ws
installed.
If the fiber jumper is labeled with
1 or 2:
1. Connect 1 to UP on Expansion Hub.
2. Connect 2 to DOWN on Expansion Hub.
If the fiber jumper is color-coded (for example, “blue” or “red”):
1. Connect “blue” to UP on Expansion Hub.
2. Connect “red” to DOWN on Expansion Hub.