Twinaxial Workstation I/O Processor Pip - IBM iSeries Series Hardware Problem Analysis And Isolation

Storage device
9348

Twinaxial workstation I/O processor PIP

For use by authorized service providers.
Use this page to isolate a failure which has been detected by the twinaxial workstation I/O processor. If
you are using a personal computer, an emulation program must be installed and working.
Read all safety procedures before servicing the system. Observe all safety procedures when performing a
procedure. Unless instructed otherwise, always power off the system or expansion tower where the FRU is
located. See Power on/off the system and logical partitions before removing, exchanging, or installing a
field-replaceable unit (FRU).
DANGER
To prevent a possible electrical shock when adding or removing any devices to or from the system, ensure
that the power cords for those devices are unplugged before the signal cables are connected or
disconnected. If possible, disconnect all power cords from the existing system before you add or remove a
device. (RSFTD203)
DANGER
To prevent a possible electrical shock during an electrical storm, do not connect or disconnect cables or
station protectors for communications lines, display stations, printers, or telephones. (RSFTD003)
DANGER
To prevent a possible electrical shock, do not use the port tester during electrical storms. (RSFTD006)
DANGER
To prevent a possible electrical shock from touching two surfaces with different electrical grounds, use one
hand, when possible, to connect or disconnect signal cables. (RSFTD004)
DANGER
To prevent power from switching on automatically during service procedures, select manual or secure mode
on the system unit control panel or disconnect the cables that connect to J15 and J16 on the frame being
serviced. (RSFTD211)
Attention: When instructed, remove and connect cables carefully. You may damage the connectors if you
use too much force.
Read and understand the following service procedures before using this section:
v Power on/off the system and logical partitions
238
iSeries: iSeries Server 270, 800, 810, 820, 825, 830, 840, 870, 890, SB2, and SB3 Hardware Problem Analysis and
Isolation
Ready description
v Power switch is set to the On
position.
v Power light is on.
v Tape is loaded.
v Status display shows 00 A002.
v On-line light is on.
Action
See the 9348 Customer Information
manual, SA21-9567, for instructions
on making the tape unit ready. If you
cannot make the tape unit ready, go
to the "Analyzing Problems" section
of 9348 Tape Unit Service
Information, SY31-0697.