User's Manual

UL-801 Installation Manual
Page 408
23-20-06 15 December 2011
b) DISCRETE (DISC) OUT
• FANS VISUAL
− Output – Active Open or Active Ground configurable.
− Use any available discrete output pin and configure accordingly.
− The FANS VISUAL output discrete activates the ATC annunciator and
alerts the crew that an ATC advisory is active and the UniLink pages should
be accessed to view further information.
• FANS AURAL
− Output – Active Open or Active Ground configurable. Duration is
configurable.
− Use any available discrete output pin and configure accordingly.
− The FANS AURAL output discrete activates the aural warning device and
alerts the crew that an aural message has been received.
• CPDLC CNECT (Connect)
− Output – Active Open or Active Ground configurable.
− Use any available discrete output pin and configure accordingly.
− The CPDLC CNECT output discrete activates an optional CPDLC CNECT
annunciator while the UniLink is connected to the Current Data Authority
(CDA).
− If the CDA connection is disrupted or lost, the optional CPDLC CNECT
annunciator deactivates.
• The New Message (NEW MSG) discretes are provided to drive visual
indications of new/unread uplinks. Active state indicates a new/unread uplink
exists.
• The CHIME discretes are provided to drive aural indications of new/unread
uplinks. Active state indicates a new/unread uplink exists.
• VHF/SAT/TEL NOCOMM discretes are provided to drive visual indications
media link states. Active state indicates a particular medium is in NOCOMM
(link not established).
DISC OUT 1/5
DISC OUT 1
Top Plug 10D
 NOT USED
 VOX ANNUN  NEW MSG 1  NEW MSG 2
 VHF NOCOMM  SAT NOCOMM  TEL NOCOMM  VDR VOX SEL
 CHIME 1  CHIME 2  FANS VISUAL  FANS AURAL
 CPDLC CNECT
ACTIVE STATE
 GROUND
 OPEN
DISC OUT 2
Middle Plug 8A
 NOT USED
 VOX ANNUN  NEW MSG 1  NEW MSG 2
 VHF NOCOMM  SAT NOCOMM  TEL NOCOMM  VDR VOX SEL
 CHIME 1  CHIME 2  FANS VISUAL  FANS AURAL
 CPDLC CNECT
ACTIVE STATE
 GROUND
 OPEN