Campbell Scientific SC105 SC105 9-pin to RS232 DCE Interface - Page 13

SC105 CS I/O to RS-232 Interface, Installation of Spark Gap Protection, the SC105.

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SC105 CS I/O to RS-232 Interface enclosures models ENC10/12, ENC12/14, or ENC16/18). Spark gap wiring is straight through such that pin to pin continuity exists between the two modems. If the modems are installed entirely within a building, the transient spark gap protection is probably not needed. FIGURE 5-2. Installation of Spark Gap Protection Occasionally, a customer needs to transmit data across longer or smaller gage wires or at higher speeds than can be done with the RAD modem powered by the SC105. RAD does sell a 9-volt power supply that will boost the signals enough to meet some of these more demanding applications. Please contact RAD for more information. 7

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SC105 CS I/O to RS-232 Interface
enclosures models ENC10/12, ENC12/14, or ENC16/18).
Spark gap
wiring is straight through such that pin to pin continuity exists between
the two modems.
If the modems are installed entirely within a building,
the transient spark gap protection is probably not needed.
FIGURE 5-2.
Installation of Spark Gap Protection
Occasionally, a customer needs to transmit data across longer or smaller gage
wires or at higher speeds than can be done with the RAD modem powered by
the SC105.
RAD does sell a 9-volt power supply that will boost the signals
enough to meet some of these more demanding applications.
Please contact
RAD for more information.
7