Category: Network Switching and Transport
Length: 3 days

Description:
A 3-day, practical course on X.25 concepts and those operations as found in telecommunication environments for network element alarm handling and provisioning.

Prerequisites:
Completion of Computer Network Operations and Maintenance course (ISS220) or equivalent experience in LAN and WAN operations

Course Outline:
X.25 and Packet Switched Networks
Define X.25 basics and its application in the telecommunications environment

• X.25 Concepts, Purpose, and Origin
• OSI Reference Model and the X.25 Protocol Stack

X.25 and the Physical Layer
Distinguish among RS/V/X interface characteristics and applications

• Physical Layer Mechanical and Electrical Characteristics
• RS 232, V.35, RS 530, and Other Interfaces

X.25 and the Data Link Layer
Observe X.25 Data Link Layer data streams and perform protocol configurations

• HDLC Link Protocol Family Overview
• LAP-B Protocol Frame Formats ans Operations
• Data Stream Analysis at the Link Level

X.25 Network Layer Operations
Configure X.25 for PVC and SVC operations

• Network Layer Operations
• Virtual Circuit and Logical Channel Operations
• Data Stream Analysis of Packet Formats and Flows
• Packet Diagnostics and Security

X.25 Facilities and Telemetry Applications
Configure X.25 devices for telemetry operations

• X.25 Facilities Overview and Usage
• X.25 Implementations in Network Elements
• Using X.25 for Network Alarms and Provisioning