Alpine headunits got several very similar non-standard mini-DIN style jacks. I was looking for any form of a digital output, but the visual similarity of those no-name proprietary connector made my research very hard. So let’s sum it up!

 

name

 description

male plug

 female jack pinout 
 

„External junction box connector“

„Extension port“

 

mini-DIN-like
10pin plug

black color

a male plug can be found on a cable from the external junction box above, which was included with Alpine DVA-9860R

 

Alpine extension plug female

Alpine-DVA-9860R-external-junction-box-connector
Alpine DVA-9860R headunit (a short cord with the female jack) –> to the junction box

Alpine KDE-350BT to headunit plug
KCE-350BT extrernal bluetooth box (black connector) –> to any bluetooth extension compatible headunit

 ?? 

Vehicle Display Interface Connector

mini-DIN-like
10pin plug

black color

  

Alpine VDI female plug

Found on many Alpine units. Either directly on the unit, on an external box included with the unit.

Alpine Vehicle Display Interface Connector (found on DVA-9860R juncion box)

Alpine DVA-9860R – VDI is located on an external junction box (included with the HU)

2016-02-05_00-43-25

(24) standard S/PDIF optical (toslink)
(25) Steering Remote Control Interface Connector
(26) Vehicle Display Interface Connector

 

Other Alpine HUs don’t use the external junction box.

Alpine VDI male connector

Alpine CDA-9854R – VDI is located on the cord coming from the back of the HU

 ?? 

older
„FULL SPEED™“
semi-circural

mini-DIN-based
10pin plug

blue (turqoise) color

can be used for:
1) for direct iPod connection
2) for Bluetooth box
3) for RCA aux cable

Alpine-fullspeed-male-plug

Alpine KCE-422i 
iPod cable
Alpine female plug for KCE-422i cable

Alpine female plug for KCE-422i cable

 

Alpine CDA-9886M
other Alpine 2007, 2008 HUs 

Alpine KCE-350BT iPod fullspeed plug

 

 

 

IDA-X100 rear side (threre is a wrong connector pictured in the manual!)

  
newer
„FULL SPEED™“
single-round-corner		  

mini-DIN-based
13pin plug

blue (turqoise) color

  KWE-460E

Alpine KCE-400BT to headunit plug

to-the-iPod jack 
can be found on some newer headunits
and KCE-400BT external bluetooth box

 

  
newer
„FULL SPEED™“
single-round-corner		 RGB cable

Alpine-KCE-900E-RGB-cord

for example
13 pin RGB extension cable (male-male),
included with Alpine NVE-N077PS / NVE-N099P navigation systems

Alpine-rgb-in-rgb-out-plug-female

this plug can be found on several devices, but the color and usage differ

Alpine KCE-400BT ipod fullspeed plug
KCE-400BT external bluetooth box
– to-the-headunit jack 
– purple (light violet) color

Alpine-IVA-W502R-rgb-output-female-plug
– black one
– used on both the headunit and the external box side

NVE-N077PS and NVE-N099P navigation box, KCE-900E interface box
– output function
– RGB display out (direct cable)
– composite display out for non-Alpine LCD display (KCE-030N cable)

CVA-1004R, IVA-W502R, IVA-W505R etc.
– input function
– RGB input
– an external navigation system box (NVE-N077PS, NVE-N099P) can be connected via this

Is the pinout different between the purple and the black connector?
„Entension port“ standard 6pin mini-DIN plug  

mini-DIN 6pin

expansion port on NVE-N099P

what accessory is using this port?

?????

maybe a serial interface?
MBUS

Standard DIN 8-pin plug

single wire half duplex transmission

for old 6 disc CD shuttle

 

 
 old 1995 casette HU		  

MBUS DIN8 pinout
Ai-Net

analog stereo line-out
+ bus based on SAE J1850 PWM 

example of an advanced setup:
headunit -> DVD player -> audio processor <-CD changer
source: IVA-W505R manual

 Alpine Ai-Net male connector

Alpine-Car-Stereo-Radio-Audio-Ai-Net-to-3-5MM-iPod-Aux-Input-Adapter-KCA-121B.jpg

 

 

Ai-NET male female pinout

 

Alpine Ai-Net protocol reverse-engineered
Digital-out

4pin round plug 

S/PDIF coax out

KWE-610A optical cable

 

KWE-610A is a fiber cable with non-standard coax-to-optical adapter on one side.

 

Alpine-IVA-D800-spdif-digital-out-optical-out

Alpine IVA D800 rear view

old HUs with „optical out“ (not technically correct)

2008 units:
IVA-W502R
etc

2010 units: 
IVA-W520R

2011 units:
IVA-D800R

2014 units
IVA-D511R/RB
X800D-U
INE-W987D
INE-977BT
INA-910R
etc.

list of more units here