Panasonic KX-TD500 Installation Manual page 268

Utility
Item
Slot
Card status
Software
Information
RAM check result
Clock status
Communication
State
268
Description
Blank (default)
Card No.: Type (The T1/PRI23 card installed in the system is
displayed automatically.)
Current status of the card
Version: ROM version of the T1/PRI23 card software
Check Sum (even/odd): ROM checksum
Testing of Card RAM
Clock Detect: Status of synchronization with the Clock
Clock Select: Selection of Master Clock card
Data empty: Reception of empty data
Illegal data: Reception of illegal data
(Available for T1 card only)
Checksum error: Error of checksum data between PRI23 card
and the system
Reset: PRI23 card reset
Description
Installation Manual