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1-6
OC12 Packet Over SONET Line Card Installation and Configuration
OL-3437-01
Chapter1 Overview
LEDs
To calculate link losses and dispersion losses for your application, refer to the following specifications
and documents:
• EIA/TIA-IVa Dispersion Unshifted Single-Mode Fiber
• EIA/TIA-IVb Dispersion Shifted Single-Mode Fiber
• GR-20-CORE Generic Requirements for Optical Fiber and Fiber-Optic Cable
• ITU-T Recommendation G.957 Optical Interfaces for Equipments and Systems Relating to the
Synchronous Digital Hierarchy
LEDs
The OC12 POS line card faceplate has two LEDs that indicate line card status and two LEDs per port
that indicate interface status. (See Figure 1-7.)
Figure 1-7 LEDs on the OC12 POS Line Card
After system initialization, the STATUS LED goes on to indicate that power is received and that the
OC12 POS line card is enabled for operation.
The following conditions must all be met before the OC12 POS line card is enabled:
• The OC12 POS line card is correctly connected and receiving power.
• The system bus recognizes the OC12 POS line card.
• A valid version of microcode is loaded and running.
If any one of these conditions is not met, or if the initialization fails, the STATUS LED does not go on.
Table 1-2 lists LED colors and indications.
7300-2OC12POS-MM
2-PORT OC-12 POS MM
OIR
STATUS
CARRIER/
ALARM
ACTIVE/
LOOPBACK
75153
RX0TX
CARRIER/
ALARM
ACTIVE/
LOOPBACK
RX1TX
Table 1-2 OC12 POS Line Card LEDs
LED Label Color State Function
STATUS Green/Yellow Green Indicates line card is online.
Yellow Indicates line card bootstrapping is in progress.
Off Indicates line card is offline and deactivated.
OIR Green On Line card is ready to be removed in
CLI-controlled OIR.
Off Line card is online.
- Text Part Number: OL-3437-01 1
- CONTENTS 3
- Contents 4
- CLI-Controlled OIR 4-13 5
- Objectives 7
- Organization 7
- Related Documentation 8
- Obtaining Documentation 8
- Documentation CD-ROM 9
- Ordering Documentation 9
- Documentation Feedback 9
- Cisco.com 10
- Technical Assistance Center 10
- Cisco TAC Escalation Center 11
- OL-3437-01 12
- Overview 13
- Chapter1 Overview 14
- Line Card Overview 14
- SONET/SDH Overview 15
- Features 16
- Interface Specifications 16
- Table 1-3 Alarm Definitions 19
- Cables and Connectors 20
- Encapsulation Method Support 21
- Chapter 1 Overview 23
- Preparing for Installation 25
- Safety Guidelines 26
- Telephone Wiring Guidelines 28
- Laser Safety 29
- FCC Class A Compliance 30
- Installation Overview 31
- Handling Line Cards 32
- Online Insertion and Removal 32
- Warnings and Cautions 32
- Class 1 laser product 35
- Router> enable 37
- Password: 37
- Configuring the Interfaces 38
- Customizing the Configuration 40
- Configuring Framing 41
- Line and Section Triggers 42
- Path Level Triggers 42
- Checking the Configuration 43
- Cisco 7304 Router 44
- Using the show diag Command 45
- Using the show c7300 Command 46
- Using loopback Commands 47
- OC12 POS Statistics Counters 48
- CLI-Controlled OIR 49
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