Configuring an E1 channel ··········································································································································· 60
Configuring a T1 channel ············································································································································· 61
Configuring an E3 channel ··········································································································································· 62
Configuring a T3 channel ············································································································································· 63
CPOS-E3 configuration example ························································································································· 67
Troubleshooting CPOS interfaces ································································································································· 68
Configuring E-CPOS interfaces ································································································································· 69
Overview ········································································································································································· 69
SONET···································································································································································· 69
SDH ········································································································································································· 69
E-CPOS ··································································································································································· 73
Configuring an E-CPOS interface ································································································································· 74
Configuring an E-CPOS interface ························································································································ 74
Symptom ································································································································································· 81
Solution ··································································································································································· 81
Configuring a loopback interface ································································································································ 84
Introduction ···························································································································································· 84
Configuration procedure ······································································································································ 84
Configuring the null interface ······································································································································· 85
Introduction ···························································································································································· 85
Configuration procedure ······································································································································ 85
Support and other resources ····································································································································· 87
Contacting HP ································································································································································ 87
Subscription service ·············································································································································· 87
Related information ························································································································································ 87
Documents ······························································································································································ 87
Websites ································································································································································· 87
Conventions ···································································································································································· 88
Index ··········································································································································································· 90
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