Install Manual

Accessory Connections 17
6.2 Connection Plan for Accessories
12 Digital In/Out 7 This digital input/output function depends on dealer programming.
13 Switched
Battery Voltage
This voltage is available when the radio is switched on. The maximum current is 1A.
14 Digital In/Out 8 This is a digital input/output depending on dealer programming. (See Note 1, 2).
15 RSSI This is an analog output which indicates the strength of the received signal.
16 External
Speaker +
Positive output of radio’s audio PA (see Pin 1).
17 Bus + This pin is used for flashing and for programming the radio.
18 Boot Control To enter Boot Mode this line must be connected to ground when the radio is switched
on.
19 Reserved Reserved.
20 Reserved Reserved.
Note 1: Digital Input
4.7k ohms Internal Pull Up Resistor to +5V.
Maximum Input Voltage accepted as Low = 0.6V
Minimum Input Voltage accepted as High = 3.0V
Note 2: Digital Output
4.7k ohms Internal Pull Up Resistor to +5V
Maximum Current when Output Low = 10mA
Maximum Voltage when Output Low = 0.5V @ 10mA
Note 3: High Current Digital Output
4.7k ohms Internal Pull Up Resistor to continuous B+
Maximum Current when Output Low = 200mA
Maximum Voltage when Output Low = 1.7V @200mA
Note 4: Digital Input
10k ohms Internal Pull Up Resistor to +5V
Maximum Input Voltage accepted as Low = 0.6V
Minimum Input Voltage accepted as High = 3V
CAUTION: The accessory connections shown are not compatible to some other models of
Motorola radios. Check the appropriate accessory or technical manual for further
information.
Table 6-1: Connector Pin Functions
Pin Function Description
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