Act Stby; Steady Yellow Indicates The Card Is In Standby Mode And The Firmware Is Executing Admin Code; Steady Red With Active And Standby Leds Off; Steady Red With Active Led On Indicates The Card Was Active Prior To Failing - Cisco MGX 8850 Product Manual

Chapter 2 Module and Service Descriptions
E3 Interfaces
T3 interfaces are supported as follows.
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LED Indicators
Table 2-12 LED Indicators for T3/E3 CESM
Type of LED
ACT
STBY
FAIL
PORT
Release 1.1.31, Part Number 78-11223-03 Rev. B0, May 2005
One G.703 (34.368 Mbps +/-20 ppm) interface with dual female 75-ohm BNC coaxial connectors
per port (separate RX and TX)
HDB3 line coding
Pulse shape conforming to ITU G.703
E3 BERT and extended loop-up, loop-down pattern generation and verification
1:1 redundancy with Y-cabling for E3 CESM cards of the same type
LOS alarm detection/generation support
Transmitter loop-timed to receiver or synchronized to shelf
Color
Green
Yellow
Red
Green
Red
Yellow
Meaning
On indicates the card set is in active mode.
Slow blink with the active LED off indicates the card is
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in the boot state.
Fast blink with the standby LED indicates the receiving
firmware.
Fast blink indicates the service module is passing BRAM
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channel information to the PXM1.
• Steady yellow indicates the card is in Standby mode and
the firmware is executing ADMIN code.
• Steady red with active and standby LEDs off indicates
either the card is in the reset condition, the card has
failed, or the card set is not complete (no line module).
Steady red with active LED on indicates the card was
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active prior to failing.
Steady red with standby LED on indicates the card was
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standby prior to failing.
Both standby and red LED lit indicates self-test failure.
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Green indicates the port is active.
Red indicates a local alarm on the port.
Yellow indicates a remote alarm on the port.
Cisco MGX 8850 Multiservice Switch Installation and Configuration
Frame Relay Service Modules
2-51