Atec Agilent-J2300E - Manual (Page 46)

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ISDN Test Capabilities
A typical B Channel Tracking display is depicted in figure 23.
•Complete decode of ISDN D- and B-channel real-time; Line Vitals, Channel
Statistics, Filter/Counter Statistics, Line Status, Summary and Detailed
displays available.
•Complete level 1 information state analysis, Q.921 (LAP-D) and Q.931
information elements.
•All major Q.931 variants, including ETSI, NI-1 and 18 other signaling decodes
from the major switch manufactures and countries.
•Full X.25 decode on the D-channel
•Monitor and decode LAN traffic encapsulated in ISDN
•Decode Frame Relay, PPP, X.25 and HDLC on the B-channel
•Supports B1+B2 (128 kb/s) monitoring
•Verify connectivity and provisioning with pre-written call placement scripts
•Check the integrity of the link to carry traffic with complete BERT testing on
a B-channel while simulating on the D-channel
•Q.931 message type statistics; log statistics to disk to catch intermittent
problems
•Extensive B-channel traffic statistics: Channel State, Call type, Channel
Elements, Called Party Number, Calling Party number, Duration of Current
Call, Number of Calls Attempted, Number of Call Setup Completed, Start of
Latest Successful Call, Disconnect of Last Failed Call, Call Reference, Last
Disconnect Cause
•Test on BRI passive bus networks; one product to access any point in the
network
•B-channel Expert activity monitor tracks voice and data usage on all
B-channels
•Multi-link PPP dual channel monitor and decodes
Log statistics to disk for a complete record of B-channel activity over time
Figure 23: B Channel Tracking
ISDN (continued)