Transition Networks CSDTF1022-100 Bedienungsanleitung PDF herunterladen (Seite 5)

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?

• Is the media converter inserted properly into the chassis?

• Is the power cord properly installed in the chassis and at the

external power source?

• Does the external power source provide power?

• Contact Technical Support: (800) 260-1312.

YES

• Proceed to step 2.

2. Is the SDF (Signal Detect/Fiber) LED illuminated?

• 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) 260-1312.

YES

• Proceed to step 3.

3. Is the SDC (Signal Detect/Copper) LED illuminated?

• Check twisted pair cables for proper connection.

• Check RJ-45 Pinning Switch for correct twisted pair cable

configuration.

• Check integrity of device attached to media converter by twisted-

pair cable.

• Contact Technical Support: (800) 260-1312/(800) LAN-WANS.

YES

• Contact Technical Support: (800) 260-1312/(800) LAN-WANS.

NOTE:

T1 must be selected (

LEFT

SWITCH SET

#4 UP) for

RIGHT

SWITCH SET

to have any effect.

If E1 is selected (

LEFT SWITCH SET

#4 DOWN), RIGHT SWITCH SET

ignored and the default is E1

3.0V 120Ω cable.

If T1 and short haul are

selected (

LEFT SWITCH SET

UP, #4 UP), but

RIGHT SWITCH

SET

is not set to a valid short

haul value, the short haul

default is DSX-1 0’-133’ cable.

If T1 and long haul are

selected (

LEFT SWITCH SET

DOWN, #4 UP), but

RIGHT

SWITCH SET

is not

set to a valid

long haul value,

the long haul

default is 0db

100Ω cable.

LONG HAUL Switch Settings*

-22.5db

100 ohm cable

-15db

100 ohm cable

-7.5db

100 ohm cable

0db

100 ohm cable

1 2 3 4

*Right switch set #4 not used

Transmit All Ones onto TP

on loss of FiberCarrier Detect

UP= Enabled

T1/E1 Selection

UP= T1

Long Haul/Short Haul (T1 only)

UP= Short Haul

Transmit All Ones onto Fiber

on loss of TP Carrier Detect

UP= Enabled

1 2 3 4

NETWORK Switch Settings

KEY

= UP

= DOWN

SHORT HAUL Switch Settings*

DSX-1 533'-655'

100 ohm cable

DSX-1 399’-533’

100 ohm cable

DSX-1 266’-399’

100 ohm cable

DSX-1 133'-266'

100 ohm cable

DSX-1 1 0’-133’

and ANSI T1.403

100 ohm cable

DSX-1 6.0V

100 ohm cable

1 2 3 4

*Right switch set #4 not used

1 2 3 4

toward network connectors

toward chassis

LEFT SWITCH SET

1 2 3 4

toward network connectors

toward chassis

RIGHT SWITCH SET

1 2 3 4 5 6

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