Table of contents
HYTERA MD78x Series
1.5 Programming cabel MD785x
1.6 Programming cabel PD78x
1.5 Programming cable MD78x layout
1.6 Programming cable PD78x layout
Table of contents
1 Appearance and Definition ........................................................................................ 4
1.1 Appearance and Definition of 10-pin Interface................................................... 4
1.1.1 Appearance................................................................................................. 4
1.1.2 MMP 10 pin definition ................................................................................. 5
1.1.3 MMP 10 electrical specifications................................................................. 6
1.1.4 Definition of MMP10 Accessory Identifier: .................................................. 6
1.2 Appearance and Definition of 26-pin Interface................................................... 7
1.2.1 Appearance................................................................................................. 7
1.2.2 MAP 26 pin definition ..................................................................................7
1.2.3 MAP 26 electrical specifications ................................................................. 9
1.2.4 MAP accessory detection definition (rear)................................................ 10
1.3 Note.................................................................................................................. 10
1.4 Supplementary ................................................................................................. 10
90Hytera_ENG – V1.0 III
Appearance and Definition
1 Appearance and Definition
1.1
1.1.1
Appearance and Definition of 10-pin Interface
Appearance
Figure 1: 10-pin MMP Interface on the Front Panel
Figure 2: 10-pin Socket
Figure 3: 10-pin Plug
90Hytera_ENG – V1.0 4
Appearance and Definition
1.1.2
MMP 10 pin definition
Item Name Type Description
1
2 PTT input Digital input
3
4 USB_D/serial
5 GND Grounding differential input (together with MIC
6 USB_VBUS Power supply
Accessory
detection
interface 1
Handset audio
output
port RX
Digital input PIN1 and PIN 10 are both for
accessory detection ; for detailed
information, see “ accessory
detection interface definition”
Palm microphone PTT input;
Low level input when pressing PTT
Analogue out
USB data
cable/input port
put When accessory detection
code is 00/01/10, the audio
output is open; When it is 11,
the audio output is closed.
Used for DMR USB cable D
input)
+5V power supply, limited current
500mA; When the accessory
detection code is 00/01/10, it output
5V voltage. When the accessory
detection code is 11, it
output low level voltage.
7 MIC_INPUT Analogue input Palm microphone input,
Vrms=80mV@60% system max.
deviation
8
9 HOOK HOOK signal input
10
USB_D+/serial port
TX
Accessory
detection
interface 2
USB data cable/
output port
Digital input PIN1 and PIN 10 are both for
Used for DMR USB cable D+
Default: high level
Active : low level
Hook or Monitor function:
when press monitor on desktop mic
or hook the palm microphone, high
level will change into low level. If
palm microphone/ palm microphone
with keypad is detected, it is hook
function; if desktop microphone is
detected,
accessory detection ; for detailed
information, see “ accessory
detection interface definition”
90Hytera_ENG – V1.0 5
Appearance and Definition
1.1.3
MMP 10 electrical specifications
Item Name Type Description
1
2 PTT input Digital input 3.3V CMOS voltage level standard
3
4 USB_D/serial
5 GND Grounding
6 USB_VBUS Power supply 5V power supply 500mA
7 MIC_INPUT Analogue input Vrms=80mV@60% system max.
8
9 HOOK HOOK signal input 3.3V CMOS voltage level standard
10
Accessory
detection
interface 1
Handset audio
output
port RX
USB_D+/serial port
TX
Accessory
detection
interface 2
Digital input 3.3V CMOS voltage level standard
Analogue out Load resistor > 1k ohm, Vrms =
600mV
USB data
cable/input port
USB data cable/
output port
Digital input 3.3V CMOS voltage level standard
3.3V CMOS voltage level standard
deviation
3.3V CMOS voltage level standard
1.1.4
Definition of MMP10 Accessory Identifier:
PIN1 PIN10 Accessory detection definition
0 0 obligated
0 1 Mobile radio is in USB host mode, accessory is in device mode;
connect to USB intelligent accessory( such as digital palm microphone)
1 0 Desktop MIC ( including desktop microphone with earpiece)
1 1 Mobile radio is in USB device mode, accessory is in host mode/ not
connected to any accessory/connect to palm microphone series
(default: ordinary palm microphone
90Hytera_ENG – V1.0 6
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