参数资料
型号: XC09-038PKT-RA
厂商: Digi International/Maxstream
文件页数: 10/39页
文件大小: 0K
描述: MODEM RF 900MHZ RS232/485 W/ACC
标准包装: 1
系列: 9XCite OEM 模块
频率: 900MHz
数据传输率 - 最大: 38.4kbps
调制或协议: FHSS,FSK
功率 - 输出: 6dBm
灵敏度: -104dBm
电源电压: 2.85 V ~ 5.5 V
电流 - 接收: 45mA
电流 - 传输: 55mA
数据接口: 连接器,母型 DB-9
天线连接器: RP-SMA
工作温度: -40°C ~ 85°C
封装/外壳: 模块
9XCite? ? RS ‐ 232/485 ? RF ? Modem ? – ? Product ? Manual ? v2.1 ? [2007.01.04]
2.3. RS-485 (4-wire) & RS-422 Operation
2.3.1. DIP Switch Settings and Pin Signals
Figure ? 2 ‐ 10.
RS ‐ 485 ? (2 ‐ wire) ? Half ‐ duplex
DIP ? Switch ? Settings
Figure ? 2 ‐ 12.
RS ‐ 485 ? (2 ‐ wire) ? w/ ? Termination ? (optional)
Termination ? is ? the ? 120 ? Ω ? resistor ? between ? T+ ? and ? T ‐ .
DIP ? Switch ? settings ? are ? read ? and ? applied ?
only ? while ? powering ‐ on.
Figure ? 2 ‐ 11.
Pins ? used ? on ? the ? female ? RS ‐ 232 ? (DB ‐ 9) ?
Serial ? Connector
Table ? 2 ‐ 03.
RS ‐ 485/422 ? (4 ‐ wire) ? Signals ? and ? their ? implementations ? on ? the ? XCite ? RF ? Modem
DB-9 Pin
2
3
5
7
8
9
1, 4, 6
RS-485/422
Name
T- (TA)
R- (RA)
GND
R+ (RB)
T+ (TB)
PWR
Description
Transmit Negative
Data Line
Receive Negative
Data Line
Signal Ground
Receive Positive
Data Line
Transmit Positive
Data Line
Power
Implementation
Serial data sent from the RF modem
Serial data received by the RF modem
Ground
Serial data received by the RF modem
Serial data sent from the RF modem
Optional power input that is connected internally
to the front power connector
not used
2.3.2. Wiring Diagrams
Figure ? 2 ‐ 13. XCite ? RF ? Modem ? in ? an ? RS ‐ 485 ? (4 ‐ wire) ? environment
? ? 2007 ? MaxStream, ? Inc.
????? 10
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