IBM Multiprise 3000 S/390, Installation Manual

Page: 167 / 175

| 10 Disconnecting Customer Cables
| 1. Before continuing read Caution Information
| on page 6-31
| 2. Disconnect all ESCON Fiber Optic cables
| from the channel cards (refer to page
| 6-32).
| Install dust protectors in all fiber optic
| ports when a cable is removed.
| 3. Disconnect all OSA-2 cables from ENTR,
| FDDI, ATM or FENET cards (refer to
| “Installing Emulated I/O cables” on
| page 6-34).
| Install wrap plugs in all OSA-2 ports
| when a cable is removed.
| 4. If the system has Parallel Channel (CH4P)
| cards disconnect the parallel channel
| cables from the CH4P cards (refer to
| “Installing Parallel Channel Cables” on
| page 6-33).
| 5. Disconnect UEPO cables from the UEPO
| panel connector J3 if installed. Route the
| cables back into the adjacent frame (refer
| to page 1-9).
| 6. Disconnect the LAN between frames (refer
| to page 1-12).
| 11 Disconnecting Internal System Cables.
| Perform the following only when
| discontinuing multiple frame systems.
| 1. Disconnect STI cables between frames (if
| present). (refer to page 1-15).
| 2. Disconnect USI cables between frames (if
| present). (refer to page 1-15).
| 3. Disconnect Power Signal cables between
| frames (if present). (refer to page 1-15 or
| 1-18).
| 4. Disconnect SSA Signal and Loop cables
| between frames (if present). (refer to page
| 1-15 or 1-18).
| Package cables to be shipped.
| Tie cables in that frame before
| shipping.
Appendix A. Discontinuing
A-7