3Com CoreBuilder 7000 Operation Manual page 237

CoreBuilder Management
and Interface LEDs
CoreBuilder Management
and Interface Connectors
Switch Module


PWR - Power indication (Green)


FAIL - Module fail indication (Red)


ACT - Activity, module active and running (Yellow)


10BASE-T status - Ethernet port status (Green)


Service port status - RS-232 (Green)


Control port status - RS-232 (Green)
Interface Card


PWR


FAIL


ACT


LINK STATUS - per port physical layer status (Green)


FAIL - per port interface status (Red)


ACT - per port traffic activity (Yellow)
Management


Management - RJ-45 - Standard Ethernet connector


Service - RS-232 - 9 pin D-type-standard DCE.


Control - RS-232 - 9 pin D-type standard DCE.
Interfaces


ATM port OC-3-SC connector Multimode fiber


ATM port OC-3-SC connector Singlemode fiber (category 1 - short
reach)


ATM port DS-3-BNC connector coax 75 Ohm cable
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