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Carefully open the shipping box and remove contents. Inspect the phones for damage. If there is any damage, call 

800-451-1460 immediately to arrange corrective action.

Page 3

Line Connection:

Connect a dedicated phone line to the RJ11 jack on the back of the 2400 Series phone board labeled TEL LINE 

using one of the following recommended methods:

1.

 Crimp the phone line on to the center pins of a standard RJ11 jack and plug into TEL LINE input on the back of 

    the 2400 Series phone. 

2.

 Connect the phone line to a female RJ11 jack then take the phone line cord provided with the 2400 Series phone 

    from the jack to the TEL LINE input on the 2400 series phone.

3.

 Connect the phone line to a biscuit jack style connector. Screw the phone line onto red and green terminals on 

    the back of the biscuit jack. Take the phone line cord provided with the 2400 Series phone from the biscuit jack to 

    the TEL LINE input on the back of the 2400 Series phone. 

RATH® phones use the center pins of the RJ11 (red and green) for the outside phone line. Phone is not polarity 

sensitive.

Note:

 Do not cut off the end of the phone line cord and splice the phone line directly onto the line cord. 

It is recommended that the wiring used inside the traveling cable or horizontal cabling is a 20 - 22 AWG twisted 

shielded pair with the shield grounded at the elevator controller end only. This will help reduce or eliminate any 

possible interference.

The phone line can be checked through the 2400 Series phone by pressing the 

ON/OFF

 button on the keypad. 

After pushing the 

ON/OFF

 button, the phone should have dial tone. Once the phone has dial tone, use the keypad 

to dial a number. Verify that the call connects and has two-way communication. Press the 

ON/OFF

 button again 

to end the call. 

Getting Started

S15 PROGRAMMING 

SWITCH

KEYPAD

PUSH

BUTTON

FRONT OF BOARD

BACK OF BOARD

SYSTEM 

ACTIVATION

RELAY

TELEPHONE

LINE

MICROPHONE

LED

SPEAKER

TELCO Voltage:

 48-52vdc on an analog line with at least 25mA of line current and valid dial tone. Line must be 

dedicated for a 2400 Series phone.

System Requirements

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