JD2D3-CDS-6F Digi International, JD2D3-CDS-6F Datasheet - Page 10
JD2D3-CDS-6F
Manufacturer Part Number
JD2D3-CDS-6F
Description
Interface Modules & Development Tools RS-232 Cable 6 ft. Sub straight through
Manufacturer
Digi International
Datasheet
1.XT09-PKI-R-NA.pdf
(68 pages)
Specifications of JD2D3-CDS-6F
Interface Type
RS-232
Product
Interface Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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9XTend™ RS‐232/485 RF Modem ‐ Product Manual v2.x4x [2007.01.04]
2.3. RS-485 (4-wire) & RS-422 Operation
2.3.1. DIP Switch Settings and Pin Signals
2.3.2. Wiring Diagrams
Table 2‐03. RS‐485/422 (4‐wire) Signals and their implementations on the XTend RF Modem
Figure 2‐13. XTend RF Modem in an RS‐485 (4‐wire) environment
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.
© 2007 MaxStream, Inc.
DB-9 Pin
1, 4, 6
2
3
5
7
8
9
RS-485/422
R+ (RB)
R- (RA)
T+ (TB)
Name
T- (TA)
PWR
GND
Transmit Negative
Receive Negative
Transmit Positive
Receive Positive
Description
Signal Ground
Data Line
Data Line
Data Line
Data Line
Power
Figure 2‐11.
Pins used on the female RS‐232 (DB‐9)
Serial Connector
not used
Optional power input that is connected internally
Serial data received by the RF modem
Serial data received by the RF modem
Serial data sent from the RF modem
Serial data sent from the RF modem
to the front power connector
Implementation
Chapter 2 ‐ Interfacing Protocol
Ground
10
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