1.3.9Connect Cords to Telephone

If the wall jack is labeled Lines 1 & 2, connect the short telephone line cord to the jack on the telephone labeled L1/L2. If the wall jack is labeled Lines 3 & 4, connect the short cord to the jack on the telephone labeled L3/L4. Connect the long telephone line cord to the other line jack on the telephone and thread it through its long groove on the bottom of the phone, then plug the AC power cord into the adapter jack on the bottom of the telephone, threading the power cord through its long groove on the bottom of the phone. Thread the short telephone cord through the square hole in the center of the wall mount bracket, and then attach the wall mount bracket to the base of the telephone.

1.3.10 Verify Proper Installation

The following procedure should be used at each telephone to check for proper installation.Also use this procedure any time you are experiencing difficulty. The phone must be connected to theAC power supply, line 1 must be connected to the line 1 jack, and the phone must have been assigned an intercom station number.

First, verify that line 1 is connected to the same telephone number at all the telephones. To do this, press the line 1 button at one of the telephones. The line 1 LED should be green, the speakerphone LED should be red, and dial tone should be heard from the speaker. Now go to each of the other stations and make sure that each line 1 LED is red. Next, make sure that lines 2, 3 and 4 are connected the same at all the phones by performing the following steps at each telephone:

1.Press the line 1 button. The line 1 LED should be green, the speakerphone LED should be red, and dial tone should be heard from the speaker.

2.Dial the telephone number for line 2. The line 2 LED should flash slowly. If the line 2 LED does not flash, then line 2 is improperly connected to this telephone.

3.If this telephone utilizes line 3 and/or line 4, repeat steps 1 and 2, substituting the respective phone number(s) in step 2.

2.SYSTEM PROGRAMMING

2.1Station NumberAssignment

Each station must be assigned a different station number.

To assign a number to a station:

a.Press MENU. The display will read “Phone Setting

b.Press the soft key under ENTER. The display will show the currently assigned station number.

c.Press the soft key under CHANGE repeatedly, until the desired station number is displayed. The choices are Station #01 through Station #16.

d.Press MENU to exit.

Until a telephone is assigned a station number, the telephone will not operate. To assign this tele- phone a station number, simply press the soft key under CHANGE repeatedly until the desired station number is displayed.

Note: One phone in the system must be set as Station #01 in order for all the system features, such as shared directory dial, to function.

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Cortelco 2740 instruction manual Connect Cords to Telephone, Verify Proper Installation, Station NumberAssignment