Page: 147Service Guide ML520/521Chapter 4 Failure & Repair AnalysisSerial Cable InformationThe information in this section will help you make a serial cable to connect between the printer andcomputer.Refer to the computer documentation to determine the cable requirements on the computers end.The printer has the following cable requirements.Shielded, RS-232C cableUL and CSA approvedNo more than 50 feet longCannon DB-25P plug (or equivalent) with 25 pinsCannon DB-C2-J9 (or equivalent) connector shellCopyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA BusinessPartner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)