Chapter 55 Troubleshooting

Table 105 Wiring Tests

TEST DESCRIPTION

E.Test E determines if there is a wiring problem between your device and MDF 3.

F.Test F determines if there is a building-wiring problem between the subscriber’s wall jack and MDF 3.

Figure 294 Testing In-house Wiring

Table 106 Testing In-house Wiring

STEP

TEST

A

Connect a standard telephone to MDF 1. If there is no dial tone, then a problem with the

 

wire or wire connections between MDF 1 and the TELCO exists. Contact your telephone

 

company for troubleshooting.

 

 

B

Connect a telephone to the upper port of MDF 2. If there is no dial tone, then the problem

 

is between MDF 1 and MDF 2. Check the telephone wire and connections between

 

MDFs 1 and 2.

 

 

C

Disconnect the telephone wire from CO. Connect a telephone to the telephone wire.

 

If there is no dial tone, then the problem is between your device and MDF 2.

 

Check the telephone wire’s pin assignments (see Section 56.5 on page 425 for the

 

proper pin assignments). Replace the telephone wire if the pin assignments are OK and

 

there is still no dial tone.

 

 

D

Reconnect the telephone wire to CO.

 

Disconnect the telephone wire from USER. Connect a telephone to USER (see Section

 

56.5 on page 425 for the proper pin assignments).

 

If there is no dial tone, your device’s internal splitter may be faulty, contact your vendor.

 

 

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IES-612-51A User’s Guide