Siemens FS20 - Page 178

Repair
Fiber
-
optic network module FN2006 / FN2007 troubleshooting steps
31
178 | 188
Building Technologies
009052_s_en_
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Fire Safety
2016
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06
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02
6 Line 1, A1/B1 connection wrong way round
Figure 22: A1 and B1 have been connected the wrong way round on line 1
In addition, the following light up on the affected FN2001 network modules: fault
indicators H3 (line 1) and H2 (line 2).
7 Line 1, break in A1 or B1 connection
Figure 23: Break in A1 on line 1
In addition, the following light up on the affected FN2001 network modules: fault
indicators H3 (line 1) and H2 (line 2).
Legend for LED patterns
LED OFF
LED ON, in relevant color
LED flashing [FLSHG], in relevant color
PowerA B
EF1
Link1
RX1
Fail1
Fail2
RX2Link2
EF2
FN2006/FN2007
PowerB A
Link1RX1
EF1
RX2
Fail2
Fail1
EF2
Link2
FN2006/FN2007
H3
H2
H1
A1B1 A2B2
H3
H2
H1
B1
A1
B2
A2
A1
B1
A2
B2
A2
B2
A1
B1
FN2001
FN2001
Line1
Line2
Line1
Line2
Node 1
Node 2
VsysA
VsysA
PowerA B
EF1
Link1
RX1
Fail1
Fail2
RX2Link2
EF2
FN2006/FN2007
PowerB A
Link1RX1
EF1
RX2
Fail2
Fail1
EF2
Link2
FN2006/FN2007
H3
H2
H1
A1B1 A2B2
H3
H2
H1
B1
A1
B2
A2
A1
B1
A2
B2
A2
B2
A1
B1
FN2001
FN2001
Line1
Line2
Line1
Line2
Node 1
Node 2
VsysA
VsysA