Cpu Test (Off-Line Diagnosis) - Panasonic KX-TD500 Installation Manual

4.2 Diagnosis
Error Message
PITS Link failure Communication link between the target card and
PITS Normal Path
failure
PITS OHCA Path
failure
Not Available
Note
• This test applies to all DPTs and a certain type of APTs (KX-T123235 and KX-T7130
only). If other type of PTs are used for the test, the message "Not Available" will be
displayed.
• When executing this test with KX-T123235/KX-T7130, use a 6-conductor wiring cord
(3-pair wire) for testing the OHCA path.
• When executing this test, a PT in "INS (In-Service)" status should be connected to the
specified card. Otherwise the test is not available.
• A message "PITS Link failure" will also be displayed, if the test target is an SLT card.
• If both messages "PITS Normal Path failure" and "PITS OHCA Path failure" are
displayed simultaneously, there will be a possibility of PITS PB Generator failure.

4.2.3 CPU Test (off-line diagnosis)

CPU Test should be done in off-line mode.
Functions to be verified
Classification
CPU Test
Operation
1.
Set the system to the off-line mode.
• See 2.10 Starting Up the KX-TD500 System for details.
204
Table 47: Error Indication Table
Description
PITS is abnormal.
PITS Normal Path is not functioning properly.
PITS OHCA Path is not functioning properly.
The PT connected to the specified port is not
applicable to this test.
APTs other than KX-T123235 and KX-T7130
are not applicable to this test.
Table 48
Target Card
CPU
Card
Applied
PLC, HLC,
DLC, DHLC
PLC, HLC,
DLC, DHLC
PLC, HLC,
DLC, DHLC
PLC, HLC,
DHLC
Test Item
Calendar IC
Utility