Figure 4-2: Internal View of the Hydran 201Ci-C
4.1.3 Description of Circuit Board
The circuit board of the H201Ci-C is presented in Figure 4-3 below.
7. RS-232 Computer Port Connector, DB-9 Male (J10): This standard connector is
used to interface the H201Ci-C directly to a PC or to a smart modem. For wiring
details, see Table D-10 in Appendix D. The USB computer port (J16) is also
available (item 8 in Figure 3-3.
8. USB Computer Port Connector, Type B (J16): This connector is available to
interface the H201Ci-C directly to a PC or to a smart modem. The RS-232
computer port (J10) can also be used (item 7 in Figure 3-3.
9. 5-Vdc and 12-Vdc Power Supply Connector, 4 Pins (J6): This power source can be
used for optional equipment. Each line is protected with a 1.35A fuse.
10. Optional Modem Connector, 4 Pins (J9): This connector is used to interface the
H201Ci-C with a modem. The telephone line should be connected here. For more
detail, refer to the modem procedure located in the English/Procedures folder of
the Hydran 201i System installation CD.
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