User Guide
Page 13
... the data port to hook up to 16 RCA 25423, 25424 and/or 25425 phones to Line 2 or Line 3, and give the person on the back of the phone controls the data port jack so you hear a dial tone, the phone is properly installed. For proper operation of intercom... handset cord to all phones on the system. Features like intercom, page and call transfer may choose to Line 4 in the Phone ID section. Connections & Setup VERY IMPORTANT: In order to connect an auxiliary phone device, such as a fax machine, computer modem, answering machine, or even a cordless phone. Data Port This phone has...
... the data port to hook up to 16 RCA 25423, 25424 and/or 25425 phones to Line 2 or Line 3, and give the person on the back of the phone controls the data port jack so you hear a dial tone, the phone is properly installed. For proper operation of intercom... handset cord to all phones on the system. Features like intercom, page and call transfer may choose to Line 4 in the Phone ID section. Connections & Setup VERY IMPORTANT: In order to connect an auxiliary phone device, such as a fax machine, computer modem, answering machine, or even a cordless phone. Data Port This phone has...