Connect Tech DFlex-4/104, User Manual

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Chapter 4: Appendix H - 20mA Current Loop 4-27
DFlex-4/104 User's Manual, ver. 0.04
Appendix H: 20mA Current Loop Option
You may order DFlex-4/104 adapter with 20mA current loop
Serial Line Interface Modules. The 20mA current loop electrical
interface provides a reliable high speed serial link over long
distances that offers superior noise immunity and multi-drop
network connectivity.
WARNING
You must insert Serial Line Interface Modules into all of the SLIM
sockets to attain the communications functionality of your
DFlex-4/104 adapter.
Installation
The DFlex-4/104 adapter has two SLIM sockets that accept Serial
Line Interface Modules. SLIM 1 socket interfaces ports 1 and 2.
SLIM 2 socket interfaces ports 3 and 4. Please refer to
Chapter
2: Hardware Installation for the location of the SLIM sockets
and to Appendix D: SLIM Insertion/Removal for the proper
procedures to installing and removing SLIMs.
Your DFlex-4/104 adapter and Serial Line Interface Module
(SLIM) are very sensitive to static electricity. Make sure that
before you remove them from the anti-static shipping bag, you
wear an anti-static wrist-band. When you remove them from the
anti-static bag, handle them only by the edges and place them on
the anti-static bag or an anti-static mat.