Link Performance Monitoring; Miscellaneous Link Message Support; Module Status Indicators; Table A-14. Module Led Status Indicators - Lucent Technologies CBX 500 Installation Manual

IOP and IOA Module Specifications
8-port Subrate Module

Clocking Options

• Loop timing
• Internal timing (better than Stratum 4 - +/- 20 PPM [pulse position modulation])
• External timing via 1.544 MHz T1 source

Link Performance Monitoring

• DS3 MIB (RFC 1407) near-end statistics
• User-configurable thresholds for DS3 performance parameters

Miscellaneous Link Message Support

• Application identification channel signal (identifies link as M13 or C-bit parity
mode)
• Recognition and generation of far-end block error (FEBE) events in C-bit parity
mode

Module Status Indicators

Table A-14. Module LED Status Indicators

LED State
Good LED lit
Failed LED lit
Redundant LED lit
Good and Failed LEDs
blinking simultaneously
A-424/5/03
Beta Draft Confidential
Normal operation
Module failure
Redundant module online
OS software image currently being downloaded
from active switch processor (SP)
CBX 500 Multiservice WAN Switch Hardware Installation Guide
Status