Panasonic KX-TDA30 Features Manual page 162

1.16 Optional Device Features
2.6.3 DPH2 Card (KX-TDA0162)
2.10.1 Connection of Doorphones, Door Openers, External Sensors, and External Relays
KX-TDA600
2.8.1 OPB3 Card (KX-TDA0190)
2.8.2 DPH4 Card (KX-TDA0161)
2.8.3 DPH2 Card (KX-TDA0162)
2.12.1 Connection of Doorphones, Door Openers, External Sensors, and External Relays
PT Programming Manual References
[720] Doorphone Call Destination
[729] Doorphone Number Reference
User Manual References
1.9.1 If a Doorphone/Door Opener is Connected
162 Feature Guide