Product manual

9XTend‐PKG‐R™RS‐232/485RFModem–ProductManualv1.2.4
©2005MaxStream,Inc.ConfidentialandProprietary 52
Adapters
The XTend Development Kit comes with several adapters that support the following functions:
• Performing Range Tests
• Testing Cables
• Connecting to other RS-232 DCE and DTE devices
• Connecting to terminal blocks or RJ-45 (for RS-485/422 devices)
NULL Modem Adapter (male-to-male)
Part Number: JD2D2-CDN-A (Black, DB-9 M-M) The male-to-male NULL modem adapter is used
onnects with a straight-through cable to the male
FigureB‐02.ExampleofaMaxSt anotherDCEdevice)
NULL ale-
to connect two DCE devices. A DCE device c
serial port of a computer (DTE).
FigureB‐01.MaleNULLmodemadapterandpinouts
reamRadioModem(DCEDevice)connectingto
Modem Adapter (fem to-female)
Part Number: JD3D3-
used to verify serial ca
NULL mod
CDN-A ( L modem adapter is
ng is -female
em adapter in place nnection without radio
nnect n.
FigureB‐03.FemaleNULLmode
Ser Adapter
Gray, DB-9 F-F) The female-to-female NUL
functioning properly. To test cables, insert th
of a pair of RF modems and test the co
bli e female-to
modems in the co io
madapterandpinouts
ial Loopback
Part Number: JD2D3-CDL-A (Red, DB-9 M-F) The serial loopback adapter is used for range
testing. During a range test, the serial loopback adapter configures the radio modem to function
as a repeater by looping serial data back into the radio for retransmission.
FigureB‐04.Serialloopbackadapterandpinouts
MaleandfemaleDB‐9toRJ‐45
adaptersarealsoincludedin
theaccessorieskit.Refertothe
“RS‐485/422Connection
Guidelines”section[p11]for
moreinfo.