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User Manual SD170E Series
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Safety Information
WARNING
¾ NEVER connect the transceiver to an AC outlet. This may pose a fire hazard or result in an
electric shock.
¾ NEVER operate the radio transmitter without a suitable artificial load or antenna connected
¾ DO NOT allows children to operate transmitter-equipped radio equipment.
CAUTION
¾ DO NOT operates the transceiver near unshielded electrical blasting caps or in an explosive
atmosphere unless it is a type especially designed and qualified for such use.
¾ NEVER modify a transceiver or accessory except as instructed in the service manual,
engineering bulletins or formal communication as this may invalidate any warranty, guarantee
or type approval.
¾ NEVER use the transceiver in an aircraft.
¾ NEVER use the transceiver near to sensitive medical equipment or in areas where instructed
not to do so, e.g. Petrol filling stations.
¾ NEVER mount the transceiver unit on or near the Airbag or Airbag activation device.
¾ NEVER use an accessory not recommended or supplied by Maxon may cause damage to
equipment or injury to personnel, and will invalidate warranty.
¾ DO NOT use or place the transceiver in areas with temperatures below -30°C or above
+60°C, In areas subject to direct sunlight, such as the dashboard.
¾ AVOID placing the transceiver in excessively dusty environments.
¾ DO NOT fit the transceiver in such a manner that the antenna is next to, or touching,
exposed parts of the body, especially the face or eyes, while transmitting.
¾ ALWAYS Install the SD170E using a suitable heat sinking surface.
¾ NEVER operate the radio transmitter without a suitable artificial load or antenna connected.
¾ ALWAYS Secure locking nuts on DB09 connector and always disconnect power supply before
removing D-type connector.
For service or repair always return your radio to an authorised Maxon Dealer or warranty
conditions will be invalid.
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User Manual SD170E Series
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Table of Contents
................................................................................................................2 Safety Information
.................................................................................................................2 Table of Contents
......................................................................................4 About your SD170E Series data radio
.............................................................................................4 About Your SD170E Radio
.................................................................................................4 General SD170E Specification
...........................................................................................5 SD170E Transmitter Specification
...............................................................................................6 SD170E Receiver Specification
..........................................................................................................7 Unpacking Information
..................................................................................................................7 SD170E Features
...........................................................................................8 Description of Radio Components
......................................................................................................9 SD-170E Series Operation
...................................................................................................... 11 Channel dip switch chart
................................................................................................................. 11 Serial Command
...................................................................................................................... 12 Data Protocol
................................................................................................................ 13 Serial Commands
.............................................................................................................. 14 Audible alert tones
.............................................................................. 17 Modem option for data commmunication
................................................................................................ 18 ACC-515E GPS Option board
............................................................................................... 19 ACC-514E FFSK Option board
............................................................................................. 20 ACC-513E GMSK Option board
................................................................................................................... 21 User Statement
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User Manual SD170E Series
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About your SD170E Series data radio
About Your SD170 Radio
The SD-170E Series of RF Link Modules utilize the latest technology in their designs and
manufacturing. SD-170E models are Phase Lock Loop Synthesizer (PLL)/microprocessor
controlled, and offers 1/ 5 watt (Low/High) programmable output power with 16-channel
capability. Multiple functions including 1200 to 9600 baud rates, AC and/or DC audio coupling, in
these fully programmable RF Link Module units, to use FSK GMSK and FFSK modulation optional
boards are provided. Programmable sub-audio squelch system (CTCSS & DCS) and two-tone
squelch system are added to the signal level detect squelch system (RSSI). GPS Data handling is
provided to interface and control an internal GPS receiver (optional board).
To assure satisfaction from the radio, we urge you to thoroughly read the operation and function
information in this manual before operating your SD-171E/SD-174E.
Applications of some of the functions described in this manual are determined by the system you
use. Your dealer will program your radio so that you have the greatest number of functions
possible relative to your needs.
Should you have questions regarding the operation of the radio, please consult your Dealer.
General SD170E Specification
General specification VHF UHF
Equipment Type
Data radio (Wireless
Modem)
Data radio (Wireless Modem)
Model Series SD-171E SD-174E
Performance Specifications
TIA/EIA-603 /ETS 300-
113
TIA/EIA-603 /ETS 300-113
Frequency Range 146-174MHz 450-490MHz
RF Output 1-5W 1-5W
Channel Spacing 12.5KHz, 25KHz Programmable
Modulation Type F3D, F3E
Intermediate Frequency 45.1MHz & 455KHz
Number of Channels 16
Frequency Source Synthesizer
Operation Rating Intermittent 90 : 5 : 5 (Standby : RX : TX)
Power Supply Ext. Power Supply (12 VDC Nominal)
Temperature Range
Storage
Operating
From -40°C to +80°C
From -30°C to +60°C
Current Consumption
Standby(Muted)
Transmit 5Watts RF Power
Transmit 2Watts RF Power
< 65mA
< 2.0 A
< 1.0 A
Lock Time : < 10ms
TX to RX attack time < 20ms (No Power Saving)
RX to TX attack time < 20ms
Dimensions (118mm)W X (63mm)H X (35mm)D
Weight 266.5grams
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User Manual SD170E Series
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SD170E Transmitter Specification
Transmitter specification VHF UHF
Carrier Power
(Nom. Max. Min.)
Hi Power
Low Power
5W < 6W > 4.5W
1W<1.5W>0.8W
5W < 6W > 4.5W
1W<1.5W>0.8W
Sustained Transmission
Time 5 10 30Sec
(Nominal Conditions)
Power : >90% >85% >80%
Power : >90% >85%
>80%
Frequency Error
Nominal condition
Extreme condition
< 0.5 KHz
±2.5 ppm
< 0.75 KHz
±2.5 ppm
Frequency Deviation
25 KHz Channel Spacing
12.5 KHz Channel Spacing
Peak ±5.0, Min. ±3.8KHz
Peak ±2.5, Min. ±1.9KHz
Audio Frequency Response Within +1/-3dB of 6dB octave
@ 300 Hz to 2.55 kHz for 12.5 kHz C.S.
@ 300 Hz to 3.0 kHz for 25 kHz C.S.
Adjacent Channel Power
25 KHz Channel Spacing
12.5 KHz Channel Spacing
< 70 dBc @ Nominal Condition , < 65 dBc @ Extreme
Condition
< 60 dBc @ Nominal Condition , < 55 dBc @ Extreme
Condition
Conducted Spurious Emission < -36 dBm < -36 dBm
Modulation Sensitivity 100mV RMS @ 60% Peak Dev.
Hum & Noise :
25 KHz Channel Spacing
12.5 KHz Channel Spacing
> 40 dB (without PSOPH)
> 40 dB (with PSOPH)
Modulation Symmetry < 10% Peak Dev @ 1KHz input for nominal dev. + 20dB
Load Stability No osc at ≥ 10:1 VSWR all phase angles and suitable
antenna
No destroy at ≥ 20:1 all phase angle
Peak Deviation Range
Adjustment @ 1 KHz, Nom
Dev + 20dB
25 KHz Channel Spacing
12.5 KHz Channel Spacing
Min. 3.5, Max. 6.0
Min. 1.5, Max. 4.0
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SD170E Receiver Specification
Receiver Specification VHF UHF
Sensitivity (@ 12dB SINAD)
25 KHz Channel Spacing
12.5 KHz Channel Spacing
< 0.28uV
< 0.30uV
< 0.28uV
< 0.30uV
Sensitivity ( 1/100 Error
Rate)
With ACC-513
With ACC-514
< -113dBm
< -110dBm
< -113dBm
< -110dBm
Amplitude Characteristic > -3dB , < +3dB > -3dB , < +3dB
Adjacent Channel Selectivity
25 KHz Channel Spacing(Nom.)
(Extreme Condition)
12.5 KHz Channel Spacing(Nom.)
(Extreme Condition)
> 70 dB
> 60 dB
> 65 dB
> 50 dB
> 70 dB
> 60 dB
> 65 dB
> 50 dB
Spurious Rejection(100KHz ~
4GHz)
> 70 dB > 70 dB
Image / Half IF Rejection > 70 dB > 70 dB
Intermodulation Response
Rejection
±25 kHz/ 50 kHz
±50 kHz/ 100 kHz
> 70 dB
> 70 dB
> 70 dB
> 70 dB
Conducted Spurious Emission
9 KHz - 1 GHz
1 GHz – 4 GHz
< -57 dBm
< -47 dBm
< -57 dBm
< -47 dBm
RX Spurious Emissions
(Radiated)
9 KHz - 1 GHz
1 GHz – 4 GHz
< -57 dBm
< -47 dBm
< -57 dBm
< -47 dBm
AF Distortion
Nominal condition
Extreme condition
< 3%
< 10%
< 3%
< 10%
RX Hum & Noise (only audio)
25 KHz Channel Spacing
12.5 KHz Channel Spacing
< 40 dB without PSOPH
< 40 dB with PSOPH
< 40 dB without PSOPH
< 40 dB with PSOPH
Receiver Response Time : < 16 ms < 16 ms
Squelch (factory pre-set)
Open
Close
-113dBm
-116dBm
Squelch Attack Time
RF Level at Threshold
RF Level at Threshold + 20dB
< 20 ms (RSSI), < 40 ms (Analog)
< 10 ms (RSSI), < 30 ms (Analog)
Squelch Decay Time 5 ms Min., 20ms Max.
Antenna Socket Input Match > 10 dB Return Loss
Temperature Stability for
L.O. Frequency
1st < 5 ppm, 2nd < 15 ppm from -30° to + 60° C
L.O. Frequency Aging Rate ±2 ppm/ year
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Unpacking Information
Remove and carefully inspect the contents of your package(s) for the following items:
1. Radio
2. User Manual
* If any items are missing or damaged please contact your Dealer or Maxon
Compatible accessory list (sold
separate)
ACC-513E 9600 baud GMSK modem
ACC-514E 4800 baud FFSK modem
ACC – FSK2 1200 Baud FSK modem
ACC-515E GPS optional board
ACC-516 PCB Interface - used to separate
digital and RF board for alignment
ACC-916E Personality programming software
ACC-2016E Individual USB programming cable
SD170E Features
Synthesized Operation with 16 channel capability
1 / 5 Watt programmable output power
Programmable 12.5 / 25 KHz channel spacing
Channel scan
Busy channel lockout
16 channel
RSSI Level check
TX Time-out timer
Power Save
Marked Idle
TX Delay
Dumb mode
Data transmission and reception through FSK modem (Optional Board)
Data transmission and reception through GMSK modem (Optional Board)
Data transmission and reception through FFSK modem (Optional Board)
Support transmission of global position data using GPS receiver board (Optional Board)
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Description of Radio Components
1) Antenna connector
2) DB-15 connector
3) GPS Antenna connector (optional)
4) Channel DIP-S/W
5) Jumper selector (see configuration below right).
Exterior View
Antenna installation
Fasten the antenna to the radio by turning the antenna cable clockwise onto the BNC
receptacle on left of radio when looking at front of radio.
Programming
Programming the SD170E series uses the ACC-916E programmer.
CON407
Jumper Settings.
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SD-170E Series Operation
Channel select / SCAN
Your radio’s channel can be selected by inner DIP-S/W or serial command inputted from external
control system. To change channel by inner DIP-S/W (4), you should open the upper cover and
then look for the DIP-S/W (4) on the digital board of the bottom cover. Once located change the
DIP-S/W to select wanted channel according to channel dip switch chart (see channel chart on
page 11).
To use a serial command for channel selection, it should be inputted by external equipment or
device (ex. Personal computer or PLC) through Pin 8 of DB-15 connector. See the message
format for serial command for full details.
If your radio has been programmed the channel scan, you must enter the scan mode by serial
command.
Transmit
The transmission will be made by various inputs such as PTT signal (Pin 3 of DB-15 connector),
TX serial command and Serial data input (Pin 10 of DB-15 connector: This input is only available
when a modem option board is installed). TTL level is used as PTT signal and is active low. If
you installed an option modem board, you can use RS-232 level as a PTT signal instead of TTL
level. To maintain transmission, continuous PTT signal input is required. If you use TX serial
command for transmission, normally, it’s released by Rx serial command. If RF activity is present;
it will not be illuminated if the radio indicates a “clear” channel. When the channel is “clear”, input
the PTT signal or TX serial command and transmit data or audio. Remove the PTT signal or input
Rx serial command when you have finished transmission.
CAUTION: Operation of the transmitter without a proper antenna installed may result in
permanent damage to the radio.
Receive
When you have finished transmission, remove the PTT signal or input Rx serial command. You
will receive data from another radio or hear another person talking from the connected external
speaker.
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Scan modes
Scanning is a dealer programmable feature that allows you to monitor a number of channels.
Your dealer will help you define a scanning mode and your channel “scan list”
Channel scan
Once the scan list has been established, initiate scan by serial commands. If a conversation is
detected on any of the channels in the scan list, the radio will stop on that channel and you will
be able to hear the conversation. At that time, busy channel data is sent to external equipment or
device through serial command. So, you can identify busy channel data as decoding of received
serial command from your radio in the external equipment or device.
Normally, if you try to transmit during scanning, the transmission will be made on the channel
that the call was received during the programmable scan delay time. The scan delay time is the
amount of time the radio will stay on that channel once activity has ceased. Dealer programming
of 4 ~ 7 seconds is typical). The radio will resume scanning once the scan delay time has expired,
and will continue to scan until the serial command for scan stop is inputted by external
equipment. After the scan resumes, if a transmission is made, the radio will transmit on the
selected priority channel. This feature is similar to priority scan TX except for selection of priority
channel. You can assign a priority channel by inner dip switch only.
Scan channel delete
To temporarily delete a channel from the scan list, simply input the serial command for scan
deletion to the radio while scanning and stopped on the channel to be deleted. This will
temporarily remove that channel from the scan list until the scan is closed or the radio’s power is
reset.
CTCSS / DCS Scanning
To help to block out unwanted calls to your radio, the SD-170E series can be programmed by
your dealer to scan for tones.
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Channel dip switch chart
Serial Command
Serial RX/TX Data Format
(1) Asynchronous Serial Data Transfer
(2) Baud Rate : 4,800 bit/sec
(3) Data Bit : 8bit , Non Parity
(4) Stop Bit : 1bit
(5) MSB first transmission
Each serial command is consist of 3 bytes.
1
st
byte is command and 2 is data required by command and 3
nd rd
is check sum to decide validity
of total contents.
Byte0
ST 1
st
Byte (Command) SP
Byte1
ST 2
Byte (Data) SP
nd
Byte2
rd
ST 3
Byte (Check Sum) SP
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Data Protocol
Protocol for input Serial command
Protocol of data transmission from external equipment or device (: PC) to radio:
Input serial command
Receive response
Response
External equipment or device Radio
Protocol for output data
Protocol of data transmission from radio to external equipment or device (: PC)
Receive Data
Receive Data
Output Data
(with command)
External equipment or device Radio
Output Data
(with command)
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Serial Commands
Transmit Command & data
Mode Transmit
Command
(BYTE0)
Transmit data Check sum (BYTE2)
(BYTE1) Transmit Command +
data
Channel Change
0x64 0x?? :Current ( 0x64 + Channel )
channel
RTX Mode Send.
0x61 R(0x72) : Rx mode ( 0x61+0x72 )
T(0x74) : TX mode ( 0x61+ 0x74 )
From PC
To Radio
0x62 F(0x46) : Scan Stop ( 0x62+ 0x46 )
S(0x73) : Scan Start ( 0x62+ 0x73 )
O(0x4F) : Scan ( 0x62+ 0x4F )
Delete
From Radio
To Pc
0x66 0x00 : 1 Channel 0x66 + 0x00
0x01 : 2 Channel 0x66 + 0x01
0x02 : 3 Channel *Only for Unmute
0x0f : 16 Channel Channel, Correct Call
Channel
Scan
Mode
Error
Message
0x65 z It occurs when Scan Delete command
comes except for Busy/Correct Call
z It occurs when PTT key is pushed except
for Busy/Correct Call.
z It occurrs when channel change command
exists during Scanning.
Control of
GPS Power
0x6a 0x00 : GPS Power ( 0x6a + 0x00 )
Off ( 0x6a + 0x01 )
0x01 : GPS Power
On
GPS
mode
Control of
GPS Data
0x63 0x00 : GPS Data ( 0x63 + 0x00 )
Disable ( 0x63 + 0x01 )
0x01 : Release GPS
Data ( 0x63 + 0x02 )
to DB-15
0x02 : Release GPS
Data
to Modem
Modem test mode
0x75 0x78 : Enable test ( 0x75 + 0x78 )
data ( 0x75 + 0x79 )
0x79 : Disable test
data
GMSK 0x7a 0x00 : Disable ( 0x7a + 0x00 )
0x01 : Enable ( 0x7a + 0x01 )
0x7c 0x00 : Disable ( 0x7c + 0x00 )
0x01 : Enable Mark
data
( 0x7c + 0x01 )
Modem
alignment
mode
FFSK
0x7e 0x00 : Disable ( 0x7e + 0x00 )
0x01 : Enable Space ( 0x7e + 0x01 )
data
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Receive Command & data
Mode Transmit
Command
(BYTE0)
Transmit data
( BYTE1 )
Check sum( BYTE2 )
: Transmit Command
+ data
0xaa ACK Process
Complete
Commands
0x55 NACK
Note)
This command is return signal for receiving command.
If Byte2 and sum of Byte0 and Byte1 among received data are same, Radio would send
ACK data and execute command. If not, Radio sends Nack data.
User would go into next step if receives ACK data. If user receives Nack data, user
should send command again.
Example: If user changes from 1
st
Channel to 2nd Channel,
User should send Channel Change Command (0x64, 0x02, (0x64 + 0x2)) to Radio.
If Byte2 and sum of Byte0 and Byte1 among received data are same, Radio sends ACK
data to user and changes to 2
nd
channel. If not, Radio would send Nack data.
Audible alert tones
Your SD-170E series data radio has a sophisticated microprocessor control which provides a
range of audible tone. If you connect the Speaker filtered OUT (Pin 9 of DB-15 connector) to an
external speaker, you can hear audible tones at the following conditions:
• Attempt to transmit on a channel that is already in use when busy channel lockout has been
programmed into the radio
• Transmission time has exceeded time-out timer programmed length
• When the other group or people finished transmission using repeater
See the status audible alert tones chart for full details.
Status Description Audible tone
Busy Channel lockout Single Beep Tone
Before 5S T-O-T Single Beep Tone
Warning
Transmit Hang on time Single Beep Tone
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DB 15 PIN descriptions with input/output level
D-Type
Pin No.
Function Description Signal Type Input/Outp
ut
1
Data
modulation IN
(TX Mod)
Signal is directly injected to MOD
through data low pass filter
without pre-emphasis.
Analog signal
1KHz audio at 60%
peak system
deviation
input level =
100 to 120mVrms
I/P
2
Data unfiltered
OUT
(RX disc)
Discriminator audio from the SD170E. This is the unprocessed AF
signal prior to tone filtering and
de-emphasis.
Analog signal
1KHz audio at 60%
peak system
deviation produces
200 to 300mVrms
O/P
3
PTT In
(TX Key)
Signal from the ‘external device’
to key the SD-170E transmitter.
This line has an internal pull up
resistor to +5V. Pulling the line to
0V turns on the transmitter.
Note: If you installed option
modem board, you can select
RS-232 signal level by Jumper
(CON407, r) on the digital
board.
TTL level
0V = TX
o/c = RX
RS-232 level (option)
+12V = TX
-12V = RX
I/P
4 Power
Power connection to Out of the
radio.
DC +12V
5
Serial Data Out
(TXD)
Serial data output for radio
control or program.
It uses asynchronous data format.
TTL level O/P
6
Busy
(CD)
Logic level output from SD-170E
to indicate whether a carrier is
present or not
Note: If you installed an
option modem board, you can
select RS-232 signal level by
Jumper (CON407, r) on the
digital board.
TTL level
0V = carrier
5V = no carrier
RS-232 level (option)
+12V = carrier
-12V = no carrier
O/P
7
Microphone
filtered audio
IN
This signal is injected to the MOD
at the point through audio-
amplification, pre-emphasis and
high pass filtering where sub-
audio tone is mixed with audio.
Audio
1KHz audio at 60%
peak system
deviation
input level =
6 to 8mV rms
I/P
8
Serial data
IN/OUT
(RXD/TXD)
Serial command or data input and
data output for radio control or
program. It uses asynchronous
data format.
TTL level I/O/P
9
Speaker filtered
OUT
Audio output from the audio
amplifier.
It’s filtered by tone-filter, de-
emphasis circuit.
Audio
1KHz audio at 60%
peak system
deviation produces
Nominal 1Vrms @ 8Ω
O/P
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10
Serial data IN
for option
modem
The Serial data to be transmitted
is input to this pin. It’s only
available when option modem
board is installed. Inputted data
are modulated by modem IC and
then injected to MOD.
It uses asynchronous data format.
RS-232 level I/P
The recovered asynchronous
serial data output from the
receiver. It’s only available when
option modem board is installed.
It uses asynchronous data format.
Serial data Out
for option
modem
11 RS-232 level O/P
Serial data busy
To eliminate data loss according
for option
12
modem
(reserved)
to buffer overrun of slave MCU’s
RS-232 level O/P
memory, it indicates buffer status.
Data input for initial setting of
GPS module.
13 GPS data input TTL level I/P
It follows NMEA 0183 format and
uses asynchronous data format.
14
Data input for DGPS Correction of
DGPS data GPS module. It follows NMEA
TTL level I/P
input 0183 format and uses
asynchronous data format.
Position data output from the GPS
module. It follows NMEA 0183
format and uses asynchronous
data format.
GPS data
output
15 TTL level O/P
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Modem option for data commmunication
Description
The ACC-513 and ACC-514 are internal option-modems, which are applied to the SD-170E series
to increase capability for data applications. The goal of an internal modem is to improve the
efficiency for data transmission and provide maximum flexibility for user applications. The most
obvious method of increasing the data efficiency is to maximize the data signaling speed in the
limited channel bandwidth. But, FSK, called direct FM modulation, has a very wide transmission
bandwidth requirement. To solve this problem a GMSK (Gaussian Filtered Minimum Shift Keying)
internal option-board can be used. Generally data has a wider bandwidth than audio. So, direct
application of data is not matched with an audio system and its application. For instance, if subaudio (Tone) SQ system applied to a data application, its frequency conflicts with that of subaudio. Moreover, the inputted data is filtered by the audio filter circuit resulting in broken data
transmission. To overcome these problems and provide maximum flexibility, an FFSK (Fast
Frequency Shift Keying) internal option-board can be used.
Communication between DTE and Option-Board
Our internal modem options consist of Slave MCU, Modem IC, and extra circuitry. These option-
boards directly communicate with DTE (Data Terminal Equipment) to send and receive
meaningful data through the DB-15 connector on the digital board of the SD-170E. These
modems are designed to accept RS232 serial data format and are also capable of high speed
wireless data-transmission between two or more devices. More detailed information for the
modem option boards is given in the technical manual for the ACC-513/514. Your dealer will help
you define a TX On/Off delay time, RX On delay time, Baud Rate, Modem Enabled, Modem Baud
Rate, Data flow control, and Test Mode.
Table for modem speed
Available Baud rate for FFSK modem
Channel Space DTE Baud Rate Modem Baud Rate
1200 1200
Narrow (12.5KHz)
2400 2400
1200 1200
2400 2400
Standard (25KHz)
4800 4800
Available Baud rate for GMSK modem
Channel Space DTE Baud Rate Modem Baud Rate
Narrow (12.5KHz) 4800 4800
4800 4800
Standard (25KHz)
9600 9600
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ACC-515E GPS Option board
Transmission GPS Data through Modem
The SD-170E supports GPS data handling. That may help your implementation for a system
related to GPS. If it is not enough for your application, received position data from the GPS
module placed in an SD-170E can be reprocessed by your own application. The ACC-515E is a
GPS module for the SD-170E, which releases 11 different output data according to the NMEA0183 format, which can be selected by you, the available data should be processed by your
application. Received data from the ACC-515E will be released via the DB-15 connector of the SD170E and/or transmitted to another system through an installed modem. More detailed
information for the GPS option board is given in the technical manual for the ACC-515E.
GPS Option board pin-outs
Pin
No.
Input/
Function Description
Output
1 VCC 6V to 12V Power Input I/P
2 VBAT Backup Power Input (3.3V) I/P
3 ENABLE GPS Data Out Enable I/P
4 PSAVE GPS Power Enable (& Power save input for GPS) I/P
5 GND Ground
6 GPS_OUT Position Data Output O/P
7 DGPS_IN DGPS Correction Data Input I/P
8 GPS_IN Initial Setting Data Input I/P
9 +5V 5V Power Input I/P
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ACC-514E FFSK Option board
Connector
No.
Pin
No.
Function
Input/
Description
Output
1 VCC 6V to 12V Power Input I/P
2 GND Ground
3 PTT
Signal from the digital board to transmit data key
the SD-170 transmitter
I/P
4
It ensures that the radio has stabilized in
TXD_EN transmission before the data is processed for I/P
modulation.
5 TX_END
To finish transmission, it indicates memory buffer
of Master MCU of digital board is empty.
O/P
6
MUTE Logic level input from digital board to indicate
I/P
(Busy) whether a carrier is present or not
7 MODEM_EN Modem Enable input I/P
8 POWER_SAVE Power save input for modem board. I/P
Connector 1
It indicates that command for Modem
programming is effective.
9 CMD_EN I/P
10 CMD_IN/OUT Data Input and Output for Modem programming. I/P, O/P
11 CMD_CLK Clock Input for Modem programming. I/P
12
It Indicates modem type to Master MCU for
MODEM_SEL O/P
programming.
The FFSK/MSK signal input for the receiver of
modem IC.
13 RX_IN I/P
14
The FFSK/MSK signal output when the transmitter
TX_OUT O/P
is enabled.
1
The Serial data to be transmitted is input to this
Serial_IN I/P
pin.
The recovered asynchronous serial data output
from the receiver.
2 Serial_OUT O/P
3
To eliminate data loss according to buffer overrun
Busy O/P
of slave MCU’s memory, it indicates buffer status.
4 Carrier_Detect
Handshake signal for RTS control mode. It
indicates whether Slave MCU of modem has
decoded data or not.
O/P
Connector 2
5
Handshake signal for RTS control mode. It
PTT_IN requests data transmission to Slave MCU of I/P
modem.
6 PROGRAM It’s reserved input for firmware upgrade. I/P
Page 20
User Manual SD170E Series
Page 20
English
ACC-513E GMSK Option board
Connector
No.
Pin
No.
Function
Input/
Description
Output
1 VCC 6V to 12V Power Input I/P
2 GND Ground
3 PTT
Signal from the digital board to enable transmitter
circuit of modem board.
I/P
4
It ensures that the radio has stabilized in
TXD_EN transmission before the data is processed for I/P
modulation.
5 TX_END
To finish transmission, it indicates memory buffer
of Master MCU of digital board is empty.
O/P
6
MUTE Logic level input from digital board to indicate
I/P
(Busy) whether a carrier is present or not
7 MODEM_EN Modem Enable input I/P
Connector 1
8 POWER_SAVE Power save input for modem board. I/P
It indicates that command for Modem
programming is effective.
9 CMD_EN I/P
10 CMD_IN/OUT Data Input and Output for Modem programming. I/P, O/P
11 CMD_CLK Clock Input for Modem programming. I/P
12
It Indicates modem type to Master MCU for
MODEM_SEL O/P
programming.
13 RX_IN
The GMSK signal input for the receiver of modem
IC.
I/P
14 TX_OUT The GMSK filtered TX output signal. O/P
1
The Serial data to be transmitted is input to this
Serial_IN I/P
pin.
The recovered asynchronous serial data output
from the receiver.
2 Serial_OUT O/P
3
To eliminate data loss according to buffer overrun
Busy O/P
of slave MCU’s memory, it indicates buffer status.
4 Carrier_Detect
Handshake signal for RTS control mode. It
indicates whether Slave MCU of modem has
decoded data or not.
O/P
Connector 2
5
Handshake signal for RTS control mode. It
PTT_IN requests data transmission to Slave MCU of I/P
modem.
6 PROGRAM It’s reserved input for firmware upgrade. I/P
Page 21
User Manual SD170E Series
Page 21
User Statement
SD170E Series
This product is marked with
Declaration of Comformity
In accordance with the Class II product requirement specified in the R&TTE Directive 1999/5/EC.
This equipment is intended for use in:-
Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany,
Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland
& United Kingdom
and requires authorisation (individual licence) for use.
We hereby declare that the above named product is in conformity to all the essential
requirements of Directive 1999/5/EC.
Con la presente si dichiara che il prodotto sopra menzionato è conforme ai requisiti essenziali
della Direttiva 1999/5/CE.
Declaramos que el producto mencionado más arriba cumple todos los requisitos esenciales de la
Directiva 1999/5/CE.
Wir möchten hiermit bekanntgeben, daß das oben genannte Produkt in Übereinstimmung mit
allen erforderlichen Bedürfnissen der 1999/5/EC Direktive seht
Nous déclarons que le produit référencé ci-dessus satisfait aux exigences
R&TTE 1999/5/EC qui lui sont applicables.
If you wish to see the whole Declaration of Conformity, please email
nancy.nute@maxoncic.co.uk
English
Page 22
User Manual SD170E Series
Page 1
Maxon House,
Cleveland Road,
Hemel Hempstead,
Hertfordshire,
United Kingdom,
HP2 7EY
Tel: + 44 (0) 1442 267 777
Fax: + 44 (0) 1442 215 515
info@maxoncic.co.uk
www.maxoncic.co.uk
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