Cathay Tri-Tech. Inc CTR003C Manuel D’Utilisation

3.2. RS-232C port

RS-232C specification

Items

Standard

Remarks

Interface

RS-232C compliance、 DCE type

Connector

RS-232C 9Pin male

DCE type but uses male connector

Signal

TxD, RxD, DTR, DSR, RTS, CTS, DCD, RI, GND
※please refer annotation below

Signal name is seen from DTE

Communication
protocol

Asynchronous type

Communication
speed (bps)

1200, 2400, 4800, 960029.2k, 38.4k, 57.6k,
115.2k

Communication
method

Full duplex / Half duplex

Data length

7bit，8bit

Start bit

1bit

Stop bit

1bit/2bit

Parity bit

none/even/odd

Flow control

none, hardware flow control （RTS/CTS）

3.3. Power interface

Power interface specification

Items

Standard

Remarks

３ pins DC power terminal

Molex70553-0002 ３ pins

2 pins will be used (+/-)

Power terminal for AC
adaptor

EIAJ-2 round shape

Connect within the substrate

Input voltage

+5～+24V ±5%

Current consumption

When output is 5V less than
MAX1.0 A

Average less than 0.85A

3 pins power cable

Molex plug - open
length １ｍ

Product number 50-57-9403(old
70066-0177) + 2x16-02-0087 (old
70058-0024)

AC adaptor

AC input 100～240V 50/60Hz 0.3A
DC output 5V±5%, MAX 2A

Cable length 2m

3.4. Antenna interface

Antenna interface specification

Items

Standard

Remarks

Connector type

SMA jack type

Antenna SMA plug for mating

Nominal impedance

50Ω

frequency

CTR-003A :433.05~434.79MHz

CTR-003B :868.00-869.70MHz
CTR-003C: 902-928MHz