Note: The hardware and software of Hydran 201Ci Controllers’ modems supplied
by General Electric are installed, configured and tested at the factory. For
configuration information, (Optional) To verify the configuration of the Hydran
201Ci Controller’s modem, proceed as follows:
• If necessary, disconnect the RS-232 link from the Hydran 201Ci Controller.
• Connect the laptop computer to the modem.
• Verify the modem configuration using the communication software and
manual supplied with the modem by General Electric.
5.2.5 Connecting a Hydran M2-X to the Hydran 201i Controller
The cable that links the Hydran M2-X to the Hydran 201Ci Controller is called a
supervisory link. Note the following considerations prior to installing:
• A supervisory link cable connected to a Hydran 201Ci-1 or Hydran 201Ci-4
Controller requires a cable with three twisted pairs and overall shield.
• A supervisory link cable connected to a Hydran 201Ci-C Controller
requires a cable with two twisted pairs and overall shield.
1. Run the supervisory link cable through a conduit, from the first or last Hydran
M2-X in the daisy chain to the Hydran 201Ci Controller.
2. Ensure all wires are identified.
3. Connect the wires to the Hydran M2-X’s termination block. For wiring details,
see Appendix D.
4. Connect the other end of the cable to the Hydran 201Ci Controller. For wiring
details, see the Hydran 201i System Instruction Manual.
The Hydran M2-X’s operation may be affected if wires are not
connected correctly. Be careful when installing and inserting
each wire. Be sure to insert all strands in the terminal;
strands that touch two terminals will cause problems. Do
not leave trims of metallic strands inside the Hydran M2-X’s
enclosure.
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