FAULT ISOLATION and CORRECTION
If the media converter fails, isolate and correct the failure by determining the answers to the following questions and then taking the indicated action:
1.Is the P(o)W(e)R LED on the media converter illuminated?
NO
•Is the power adapter the proper voltage and cycle frequency for the AC outlet?
NOTE: Refer to the “Power Supply Requirements” on page 7.
•Is the power adapter properly installed in the media converter and in the outlet?
•Contact Technical Support: (800)
YES
•Proceed to step 2.
2.Is the SDF (Signal Detect/Fiber) LED illuminated?
NO
•Check fiber cables for proper connection.
•Verify that TX and RX cables on media converter are connected to RX and TX ports, respectively, on other media converter.
•Contact Technical Support: (800)
YES
•Proceed to step 3.
3.Is the SDC (Signal Detect/Copper) LED illuminated?
NO
•Check twisted pair cables for proper connection.
•Check
•Check integrity of device attached to media converter by twisted- pair cable.
•Contact Technical Support: (800)
YES
•Contact Technical Support: (800)
NOTE: | LEFT SWITCH SET |
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T1 must be selected (LEFT |
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1 2 3 4 | 1 2 3 4 |
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SWITCH SET #4 UP) for RIGHT |
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SWITCH SET to have any effect. |
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If E1 is selected (LEFT SWITCH SET |
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| toward chassis | toward network connectors | |||||||||||||||||||
#4 DOWN), RIGHT SWITCH SET is |
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ignored and the default is E1 |
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| NETWORK Switch Settings | |||||||||||||||||||||
3.0V 120Ω cable. |
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1 2 3 4
If T1 and short haul are |
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| Transmit All Ones onto Fiber | |
selected (LEFT SWITCH SET #3 |
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UP, #4 UP), but RIGHT SWITCH |
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1 | 2 | UP= Enabled | ||
SET is not set to a valid short |
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haul value, the short haul |
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default is |
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If T1 and long haul are | 1 | 2 | UP= Enabled | |
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selected (LEFT SWITCH SET #3 |
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DOWN, #4 UP), but RIGHT |
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| Long Haul/Short Haul (T1 only) | |
SWITCH SET is not |
| 1 | 2 | UP= Short Haul |
set to a valid | KEY |
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long haul value, | = UP |
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the long haul |
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| T1/E1 Selection | |
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default is 0db | = DOWN | 1 | 2 | UP= T1 |
100Ω cable. |
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RIGHT SWITCH SET |
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| SHORT HAUL Switch Settings* | |
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1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | 1 2 3 4 |
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| 100 ohm cable |
1 | 2 |
| toward chassis | toward network connectors | |
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LONG HAUL Switch Settings* |
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| 100 ohm cable | ||
1 | 2 |
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1 2 3 4 |
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100 ohm cable |
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| 100 ohm cable | ||
1 | 2 | ||
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100 ohm cable |
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| 100 ohm cable | ||
1 | 2 | ||
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100 ohm cable |
| and ANSI T1.403 | |
1 | 2 | 100 ohm cable | |
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0db |
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100 ohm cable | 2 | 100 ohm cable | |
1 |
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*Right switch set #4 not used | *Right switch set #4 not used |