Cisco 10720 - Internet Router Dokumentacja Strona 78
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Book Title
78-13113-06 B0
Chapter 5 Troubleshooting the Uplink Cards
Troubleshooting the POS Uplink Card Installation
• STS Path Loss-of-Pointer (LOP)
• STS Path Alarm Indication Signal (AIS)
• STS Path Remote Defect Indication (RDI)
• B1 Bit Error Rate (BER) threshold crossing alarm (b1-tca)
• B2 BER threshold crossing alarm (b2-tca)
• B3 BER threshold crossing alarm (b3-tca)
• Line Bit Interleave Parity (LBIP) BER in excess of signal degrade threshold (sd-ber)
• LBIP BER in excess of signal failure threshold (sf-ber)
At any time the status of the SONET/SDH alarm and signal events can be examined using the show
controllers command, as shown in the following example:
Router# show controllers pos1/1
Interface POS1/1
Hardware is OC48 POS
SECTION
LOF = 0 LOS = 0 BIP(B1) = 0
LINE
AIS = 0 RDI = 0 FEBE = 0 BIP(B2) = 0
PATH
AIS = 0 RDI = 0 FEBE = 0 BIP(B3) = 0
LOP = 0 NEWPTR = 0 PSE = 0 NSE = 0
Active Defects: None
Active Alarms: None
Alarm reporting enabled for: SF SLOS SLOF B1-TCA B2-TCA PLOP B3-TCA
Framing: SONET
APS
COAPS = 0 PSBF = 0
State: PSBF_state = FALSE
ais_shut = FALSE
Rx(K1/K2): 00/00 S1S0 = 00, C2 = CF
Remote aps status non-aps; Reflected local aps status non-aps
CLOCK RECOVERY
RDOOL = 0
State: RDOOL_state = FALSE
PATH TRACE BUFFER : STABLE
Remote hostname : RouterB
Remote interface: POS1/0
Remote IP addr : 2.2.2.1
Remote Rx(K1/K2): 00/00 Tx(K1/K2): 00/00
BER thresholds: SF = 10e-4 SD = 10e-6
TCA thresholds: B1 = 10e-6 B2 = 10e-6 B3 = 10e-6
OPTICS
RX readout values: -6 dBm
- CONTENTS 3
- Contents 4
- Document Revision History 7
- Objectives 7
- Organization 8
- Electromagnetic Compliance 9
- Translated Safety Warnings 10
- 78-13113-06 B0 11
- Related Documentation 12
- Obtaining Documentation 12
- Documentation Feedback 13
- • 1 877 228-7302 14
- • 1 408 525-6532 14
- Submitting a Service Request 15
- Overview and Specifications 19
- Book Title 20
- • Weight—3.0 lb (1.35 kg) 23
- Optical Cable Specifications 24
- • Weight—2.4 lb (1.09 kg) 25
- Preparing for Installation 27
- Software Requirements 28
- Safety and Compliance 29
- Laser Safety 30
- Safety and Compliance 31
- Tools and Equipment Required 33
- Preparing for Installation 35
- Class 1 LED product 38
- Removing the Uplink Card 40
- Installing an Uplink Card 41
- 10720-RPR-SFP 42
- Uplink Cards 43
- Class 1 laser product 44
- DON NOT REMOVE 47
- OR INSERT CABLES 47
- WITH THE POWER ON 47
- CISCO 10720 INTERNET ROUTER 48
- Interfaces 55
- DPT Uplink Card 57
- DPT Uplink Card 58
- Figure 4-2 Four-Node DPT Ring 59
- RPR/SRP Uplink Card LEDs 66
- Alarm Messages 68
- Table 5-12 SRP Wrap Messages 74
- Table 5-13 SRP Unwrap Message 76
- Alarm Processing 77
- Loopback Testing 79
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