Pin Signal Description
1
2 TX Data transmission
3 RX Data reception
4
5 GND Protective ground
6
7 RTS Transmission request
8 CTS Ready for transmission
9
4.11 AP Interface Module
4.11.1 Hardware description
4.11.1.1 Overview
The  AP  Interface  Module  (Analog  Peripheral)  allows  an  analog  device  such  as  fax,  modem,  minitel,
answering machine to be connected to the OXO Connect via a UA link.
AP Interface Module
Digital Link
Digital Link
PCX
UAI Board
(or MIX Board)
Digital Set
to Mains
Fax
Figure 4.14: Example of Configuration with an AP Interface Module
AP Interface Module can be used alone or combined with Digital Premium DeskPhones.
AP Interface  Module  powers the  analog  device (DTMF signalling,  ringer) and, to  do  this, requires  an
external power supply (230V AC/30V AC adapter). In this document, this set is called Z set.
Chapter 
4
Installation and Cabling
3EH21123USAA - Ed. 01  - April 2017 - Installation Manual 112/207