Testing The Telephone Service
Before working on your phone lines, please read and understand the CAUTIONS.
- Connection and Testing instructions are printed on the inside of the NID customer access door.
- These instructions are for a Standard Interface Module.
Follow this procedure to determine if the problem is in Ironton Telephone Company's line or in your inside wiring.

- The Network Interface Device.
- Residential Services are located near the Electric Meter.
- If you do not have a Network Interface Device (NID) on the outside of the building.
- Check the basement rafters for an older style protector.
- Contact Ironton Telephone Company to report the trouble on the line.
- Tell the trouble specialist you have an older style protector.
- The trouble specialist will request to have the protector replaced with a Network Interface Device (NID).
- There will be NO CHARGE to the subscriber to install a new Network Interface Device (NID).
- Unscrew the Network Interface cover at the Customer Access point.
- Philips #1 Screwdriver
- Flat #1 Screwdriver
- Checking the Interface Connection.
- Disconnect the modular plug from the test jack.
- This will disconnect your inside wiring from Ironton Telephone Company's network.
- Check the plug and jack for signs of corrosion.
- If the jack or plug is corroded contact Ironton Telephone company for repair.
- Check the plug and jack for signs of blackened pins.
- This is a sign that a very strong Lighting Surge was able to pass through the NID.
- Contact Ironton Telephone company for repair.
- This is a sign that a very strong Lighting Surge was able to pass through the NID.

- The Telephone is now connected directly to Ironton Telephone Company’s network.
- Make sure there is no damage to the telephone base cord.
- If the base cord is damaged, replace it before testing.
- Testing should be performed with a standard wired telephone set.
- A cordless or wireless base station requires power to operate and may not be available near the NID.
- Make sure there is no damage to the telephone base cord.
- If the problem still exists, it is in Ironton Telephone Company's lines.
- Contact Ironton Telephone Repair.
- If the problem is gone, you're trouble is with your inside wiring, telephone equipment, or jacks.
- Inside wiring repair is the responsibility of the customer.
- You may make the repairs yourself, an electrician or someone else.
- You may contact Ironton Telephone Company.
- Additional fees may apply depending on your service agreement
- Are the terminals tightened down?
- Tighten if required.
- Are any wires broken?
- Re-terminate if required.
- Refer to - “Connecting To The Interface”.
- Re-terminate if required.
- Are any bare wires touching other terminals?
- Remove any extra wire.
- Verify there are no breaks, cracked insulation or any damage.
- If there is damage, this section of cable may need to be replaced.
- Contact an electrician for repair
- or contact Ironton Telephone.
- Additional fees may apply depending on your service agreement.
- Close the cover and screw the fastener down until the cover is tight.