Circuit Card Description and Installation

Overview Page 77 of 906
Circuit Card Description and Installation
The following maintenance program is used to maintain individual SDI
synchronous ports.
• LD 48 Link Diagnostic – For checking Automatic Call Distribution
(ACD) and Meridian Link ports.
Instructions for running the various maintenance programs are found in
Software Input/Output: Administration (553-3001-311). System messages
are interpreted in Software Input/Output: System Messages (553-3001-411).