Longshine LCS-C841MC - Manual (Page 15)

1000Base-T to 1000Base-SX/LX Converter
11
DIP Switch Settings
Use the DIP switch to activate the following operations.
Default setting for DIP Switches is “OFF (Disable)”
position.
DIP 1: LLB – Local Loopback Enable or Disable at copper
port. The Local Loopback function is used to check if the
copper segment is functioning properly. The default
setting for LLB is Disable. Turn the switch setting Enable
to perform the Local Loopback function test.
Fig: Local Loopback (LLB)
Note: Enabling the LLB function means, the converter’s
normal function will be stopped.
DIP 2: RLB – Remote Loopback Enable or Disable at
fiber port. The Remote Loopback function is used to