User Manual
Table Of Contents
- Trademarks
- About this Manual
- Federal Communications Commission Radio Frequency Interference Statement
- Warranty and Customer Service
- Customer Service, Product Support Information, and Training
- 4205 System Description
- Microwave Path Engineering Basics
- Engineering Guidelines
- Network Turnup Procedure
- User Interface Guide
- Troubleshooting Guide
Section 5, User Interface Guide TRACER 4205 System Manual
48 © 2002 ADTRAN, Inc. 612804205L1-1A
>DS3 STATUS/CONFIGURATION/LOOPBACK > LOOP/NORMAL STATE > LINE
Activates a loopback at the TRACER 4205 DS3 framer towards the locally connected DS3 equipment (see
Figure 8). Use the LINE loopback to test data path integrity from the TRACER 4205 unit to the DS3
equipment.
Figure 8. DS3 Line Loopback
>DS3 PERFORMANCE HISTORY
Figure 5 shows the DS3 Performance History menu page. The DS3 Performance History menu page
displays detailed error statistics for the DS3 link (from both the local and remote TRACER 4205 units) in
15-minute increments.
Figure 9. DS3 Link Performance History
DS3 performance data is presented as Errored Seconds (ES) and Severely Errored Seconds (SES) on the
DS3 link. The following events qualify as an ES–AIS, LOS or LOF Alarm Second, a single BPV or
excessive zero event, or a single parity bit. An SES is caused by an AIS, LOS or LOF Alarm Second, or
excessive Bipolar Violations (BPVs) or framed Parity Bit errors causing a line Bit Error Rate (BER) of
10^
-6
.