参数资料
型号: XC09-009PKI-RA
厂商: Digi International/Maxstream
文件页数: 9/39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: 9.6kbps
调制或协议: FHSS,FSK
功率 - 输出: 6dBm
灵敏度: -108dBm
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]
2.2. RS-485 (2-wire) Operation
2.2.1. DIP Switch Settings and Pin Signals
Figure ? 2 ‐ 06.
RS ‐ 485 ? (2 ‐ wire) ? Half ‐ duplex
DIP ? Switch ? Settings
Figure ? 2 ‐ 07.
Pins ? used ? on ? the ? female ? RS ‐ 232 ? (DB ‐ 9) ?
Serial ? Connector
Figure ? 2 ‐ 08.
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.
Note: Refer to the figures in the “RS-485/422 Connection Guidelines” section for RJ-45 connector
pin designations used in RS-485/422 environments.
Table ? 2 ‐ 02.
RS ‐ 485 ? (2 ‐ wire ? half ‐ duplex) ? signals ? and ? their ? implementations ? on ? the ? XCite ? RF ? Modem
DB-9 Pin
2
5
8
9
1, 3, 4, 6, 7
RS-485 Name
T/R- (TRA)
GND
T/R+ (TRB)
PWR
Description
Negative Data Line
Ground Signal
Positive Data Line
Power
Implementation
Transmit serial data to and from the RF modem
Ground
Transmit serial data to and from the RF modem
Optional power input that is connected internally
to the front power connector
not used
2.2.2. Wiring Diagram
Figure ? 2 ‐ 09. XCite ? RF ? Modem ? in ? an ? RS ‐ 485 ? (2 ‐ wire) ? half ‐ duplex ? environment
? ? 2007 ? MaxStream, ? Inc.
????? 9
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