Comnet FDX60M2 Manual de instalación y funcionamiento - Página 8
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INSTALLATION AND OPERATION MANUAL
FIGURE 13 – LOOP BACK TEST MODE
1. On one end (Head End), put unit into Loop Back Mode
by setting Switch 3 to "OFF." Switch 1 and 2 can be in
any position. Data will not pass during Loop Back Test,
LEDs may flash if data is sent during Loop Back Test.
2. If the Far End unit is powered on and the fiber link
connections are correct, the Far End unit Loop Back LED
will light GREEN.
3. If the Head End unit has Switch 3 in the "ON" position,
and if there is a fiber link issue, then the Far End
unit Loop Back LED will remain OFF. This is an error
condition.
4. If the Far End unit Loop Back LED is GREEN and the
fiber link and optical connections back to the Head End
unit are correct, then the Head End unit Loop Back LED
will light GREEN.
5. If there is a fiber link issue from the Far End back to the
Head End, or the Far End unit is not working, the Head
End unit Loop Back LED will light RED when the Loop
Back switch is set to OFF. This is an error condition.
6. When not in Loop Back Test Mode the Loop Back LED
on both ends will be OFF.
TECH SUPPORT: 1.888.678.9427
FDX60(M)(S)(-M)
INS_FDX60_REV–
04/23/10
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