Campbell SC932A Manuel d'instructions télécharger pdf (Page 14)

SC932 9-Pin to RS-232-DCE Interface

transient protection shown may be purchased from Campbell Scientific,

Inc. (p.n. 5563 shown in Figure 7, p.n. 6536 includes a plastic case, p.n.

6361 includes hardware for mounting to ground lug of CSI enclosures

models ENC 10/12, ENC 12/14, or ENC 16/18). 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 7. Installation of Spark Gap Protection

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Campbell SC932A Manuel d'instructions Page 14