COM220 Telephone Modem
14-AWG Ground Wire
(green with yellow stripe,
if provided by CSI)
TABLE 3-1. Dataloggers that Require Direct
12-Vdc Connection to COM220
CR10(X) with silver wiring panel
CR10(X) with black CR10 wiring panel (pn 8032)
21X(L) — serial number 13,442 or lower
CR500
serial number 1764 or lower
CR7, CR700X — serial number 2778 or lower
FIGURE 3-1. CR1000 and COM220 using remote telephone line
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Summary of Contents for COM220
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Page 34: ...Appendix B CS I O Connection B 2 ...
Page 36: ...Appendix C Theory of Operation C 2 ...
Page 38: ...Appendix D FCC Warning to Users of Class B Computing Devices D 2 ...
Page 40: ...Appendix E IC Information E 2 ...
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