User's Manual

APPLICANT: MOTOROLA, INC. FCC ID: IHDT6AC1

Exhibit 8

3.3 D15 in DIN Models (Vertical & Horizontal)

The available functionality in this models are the follow:

Data & Voice in DIN configuration- Connections

D15

White

Cap

Uart #1

User logic

Power supplies

Main PWR

Audio

Data port

EXT_SIM

DSC

General

Data purposes

DSC bus

IRDA

IRDA (future feature)

3.3.1 Function available in the user connector –

28 R/A Male header (vertical model)

28 pin Female sockets, receptacle (Horizontal model)

• VCC input. 3.0 to 6Vdc

• Full RS232 - 9 pins. TXD,RXD,RTS,CTS,DSR,DTR,DCD,RI

at 5V levels.

• External SIM connections. SIM Clock, SIM reset, SIM I/O,

SIM VCC,SIM PD

• DSC bus. DSC_EN, Downlink, Uplink –

Motorola proprietary us.

• Audio In/Out. Audio out and On/Off in the same

pin, audio in Signal and analog

ground.

• Man_Test line. Used to detect standard Motorola

accessories.

• TS line (mobport). Used to turn on the radio.

• TX_EN line. This line is an indication when

the radio is transmitting.