IBM 4247-003 Maintenance Manual - Page 50
Attachment Card Procedure 1, Twinax SCS attachment
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Attachment Card Procedure 1 Models 001 and 002 connect to a host by using one of the following features: v Coax IPDS attachment v Coax SCS attachment v Twinax IPDS attachment v Twinax SCS attachment Proper operation of the feature requires the correct combination of attachment card and microcode modules on the attachment card and logic board. DANGER To prevent serious personal injury from electrical shock when connecting or disconnecting the interface cable, set the printer power switch to O (Off) and unplug the power cable. DANGER Do not connect or disconnect any communication port, teleport, attachment connector, or power cord during an electrical storm. v Power off (O) the printer. v Unplug the printer and disconnect the cable. v Remove the attachment card. See "Coax Attachment Card - Models 001, and 002" on page 392 or "Twinax Attachment Card - Models 001, and 002" on page 396. Chapter 1. Diagnosing Problems 50
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