User manual

Appendix A
59
Loop Back Features of the FRM220-DATA
The FRM220-DATA features local and remote loop back functions for both the data port and the fiber
connections. When management features are installed in the rack, loop back may be performed from local console,
network connected management workstation or from any workstation running a web browser.
Figure 2-14 FRM-DATA Data Port loop back diagnostic modes
Figure A-? FRM-DATA Optical loop back diagnostic modes
LLB
Local
loopback
Remote Side
Local Side
RLB
Remote
loopback
Remote Side
Local Side
RRLB
Request
Remote
loopback
Remote Side
Local Side
LLB
Local
loopback
Remote Side
Local Side
RLB
Remote
loopback
Remote Side
Local Side
RRLB
Request
Remote
loopback
Remote Side
Local Side