Usage of OHIS Radio KISS

What is the OHIS Radio KISS Adapter?

It is an adapter intended to bring any radio no matter its wiring standard or level from a Professional, Ham, DIY, Cheap Chinese, or Crystal with a Wire Hanging out of It; to be compatible with the OHIS connection Std. with very little to no effort other than looking up your radios needed connections and connecting said wires to the OHIS Radio KISS.

PCB & Assembly Files

(Online Fusion Files)[https://]

:sup:`Discrepencies may exist between published BOM in ReadTheDocs & BOM in Online Fusion Public, ReadTheDoc will match the manufactured boards where Fusion will match all calculations.’

Installation

Usage

Settings to be Set

To change the defaultly enabled feature you have to cut the link in between the filled in arrows “▼▲”, and solder a bridge accross the area between the open arrows “▽△”.

ID	Function	Defualt	Available
JP4	Headphone	Stereo	Mono
JP5	Microphone	0db Pad	-20db Pad

Wiring

Supported Wire Gauges and Ferrules

Stripped Wire - 14-20 AWG

Snug Ferrule Fit - 16 AWG

Ferrule Fit - 18-24 AWG

Length Needed for Full Seat - 7.5-8.5 MM

Connection Points

PushDown Connection(s) as Follows with Pins from Left to Right identified 1-5 with the OHIS Plug (RJ45) Oriented towards you.

(JP8)^{TOP Connector}

PIN	Connection	Notes
1	Headphone Right	8-46Ωs with 0dBV to -10dBV attentuation at anygiven point max expected
2	Headphone Left	8-46Ωs with 0dBV to -10dBV attentuation at anygiven point max expected
3	Headphone Ground	Ground side of Pin(s) 4/JP8 & 5/JP8
4	Microphone Ground	Ground side of Pin 1/JP8
5	Microphone Line	600Ωs expectation on mic connection with -45dBV +/- 3dBV line attenuation at any given point

(JP7)^{BOTTOM Connector}

PIN	Connection	Notes
1	PTT Enable	PTT Relay NO
2	PTT Ground	PTT Relay NO
3	Negative	0v (-)
4	Positive	6 to 35 volts DC (+) 1 Watt Req.
5	Ground	Universal Ground Bond (Not Req.)

(J1)^{OHIS Connector}

For the details surrounding the OHIS connection and compliance with Std. please see OHIS Line Compliance as this is where the connection is spoken about and documented.

Board Features

Indicator Lights

Located on the the top of the board is two LEDs serving to indicate the status of power being delivered down the OHIS connection

Blue	All if good and Power is connected
Red	1 Amp Resettable Fuse has been Tripped for OHIS 5v (+) Net

Located on the Bottom of the Board under the OHIS Connection is the Activity LEDs

Orange	Accessory LED (Check Accessories Manual for Indicator Usage)
Orange	OHIS PTT Enabled

Accessory Connection Pins

(JP1) ^{Pin Group #1} - OHIS Connection Nets

PIN	Connection Net	PIN	Connection Net
1	OHIS Headphone Left	6	OHIS Microphone Ground
2	OHIS Headphone Right	7	OHIS PTT (Gnd Trig.)
3	Ground	8	Accessory 5v 500ma (+)
4	OHIS Headphone Ground	9	OHIS 5v (+)
5	OHIS Microphone Line	10	OHIS 5v (-)

Tip

Pin 9/JP1 is a dedicated power connection supplying 500ma on a resettable fuse for accessories any 5v (-) maybe used in conjunction with this point.

(JP2)^{Pin Group #2} - Radio Connection, Unregulated Power, and Accessory Indicator Light

PIN	Connection Net	PIN	Connection Net
1	Radio Headphone Left	6	Radio Microphone Ground
2	Radio Headphone Right	7	Radio PTT Enable
3	Accessory Indicator LED	8	Radio PTT Ground
4	Radio Headphone Ground	9	Unregulated Voltage In (+)
5	Radio Microphone Line	10	Unregulated Voltage In (+)

Tip

Pin 3/JP2 offers access to a dedicated indicator LED for accessory boards to give the opportunity of a uniform look between different accessory boards being used.

Modification Points

Breakable Points which are Either Cuttable/Solderable SMT traces or Removable 0Ω Resistors

CID	Connected Net #1 & Connected Net #2
JP3	OHIS (-) to 5v Reg (-)
R11	Radio Headphone L to OHIS Headphone L
R12	Radio Headphone R to OHIS Headphone R
R13	Radio Headphone GND to OHIS Headphone GND
R14	Radio Mic Line to (0/-20)db Pad “OHIS Mic Line”
R15	Radio Mic GND to OHIS Mic GND
R16	PTT SSR Isolator Anode to 5v Reg (+)
R17	PTT SSR Isolator Cathode to OHIS PTT GND