Carrier Access AB II manual TSI Bert

Page 56

8.1.1.1 Loopback

Field

Data Access

Direction

Input

None, V.35, T1 #1, T1 #2

None, Equipment Line, Equipment Payload, Equipment TSI, Network

Line, Network Payload, Network TSI

To incorporate the internal BERT functionality into the loop, select the BERT Enabled checkbox. The general Network loopbacks are illustrated in the diagram below.

XMT

To/From T1 Line

RCV

T1

Transmitter

T1

Receiver

X

X

Multiplexer

(TSI)

and

Framing

Circuits

Payload

XMT DS0

RCV DS0

TSI*

BERT

*Time Slot Interchange: the cross-connection logic.

The general

XMT

To/From

DTE Equipment

(e.g., Router)

RCV

Equipment loopbacks are illustrated below.

DTE	X	Multiplexer
DTE		Multiplexer
Transmitter		(TSI)
		and
		Framing
		Framing
		Circuits

DTE		Payload
Receiver	X	Payload
	X

XMT DS0

RCV DS0

TSI*

BERT

*Time Slot Interchange: the cross-connection logic.

Because of the Access Bank II architecture, not all loopbacks are available. If an unavailable loop- back is selected, then the loopback not available dialog box is displayed.

8-2

Image 56

Contents Access Bank Page Page Page Access Bank Access Bank Access Bank II SnmpAccess Bank II Sdsl Access Bank II Snmp SdslPage Contents Data Port Setup Getting Started System RequirementsSoftware Installation Installing Remote MonitorSoftware Overview Creating a Shortcut on the DesktopRemote Monitor Connecting the PC Directly to the Access Bank 560DQDJHPHQW&DEOHConnecting a Modem to the Access Bank II for Remote Access WR%0Starting Up Remote Monitor Pull-Down Menus Setting Up Remote Monitor Selecting the Current ProductSetting Up Remote Management Connecting to the Access Bank Click on Connect Now, orSetting Up Remote Monitor Help General Rules and Tips for Using the Remote Monitor Reading and Sending ScreensPage Changing to a New Product Saving ConfigurationsScreen Flagging Loading Configurations MiscellaneousFlagging Changed Screens System SetupSystem Setup Screens Names Screen Problem Reporting Screen System Clock Screen Snmp ScreenConfiguring Network Parameters ColdStart Trap and warmStart Trap Configuring System Group Information Page T1 Setup T1 Setup2 T1 Hardware Setup System Clock SourceT1 Definitions Line Build Out LBO Data Port Setup V.35 Data Port SetupSetting the CTS Control Option Setting the Synchronous Data Rate or Asynchronous Subrate RS-232 Data Port SetupRS-232 Data Port Setup Synchronous Data Rate Option Asynchronous Subrate Options Page Connections Static ConnectionsConnecting Individual Channels Configuring Contiguous Channels Channel TypeChannel/Signal Type Screen Performance Event Log ScreenMessage Event Log Screen 3 T1 History Retrieving Events from the Event LogClearing the Event Log Loss of Received T1 Signal Also called Loss of Carrier DefinitionsSeverely Errored Seconds 5 T1 History Last 24 HoursLoopback Configuration MaintenanceTesting TSI Bert Internal Bert Configuration Loopback Configuration SettingsAnalog Ports Update Interval Update IntervalsFXS Lcfo LCF LEDs System LEDs DIP Switches Definition of V.35 Status LED last LEDDIP Switches