Specifications

S
X-2000 General Information Guide
7
2 Revision A 5000309
7
Circuit Card Indicators
All Printed Circuit Board (PCB) cards in the system have a series of LED indicators and/or
numeric displays mounted on their front panels. For maintenance instructions, see the
Circuit
Card Indicators
section of the Technical Documentation CD-ROM. The PCB card LEDs can
be grouped into three categories:
• Card Status LEDs: common to all cards
• Circuit Status Bar LEDs: found on line, trunk, and DTMF Receiver cards
• Numeric Displays: found only on processor cards