User Interface Types, Cellular Network Access | Paradyne 7924

About HotWire Model 7924 Termination Units

Cellular network providers must lease large numbers of T1 circuits in order to connect remote cell sites to mobile telephone switching offices (MTSOs). HotWire Model 7924 products provide an alternative to standard repeatered T1 services. Figure 1-3depicts a typical cellular network access application.

Cell Site	Telco 2- or 4-wire	Mobile Telephone
	Telco 2- or 4-wire	Switching Office (MTSO)
	facilities
DSX-1	between Cell Sites	Nest
DSX-1	and MTSO
	and MTSO
DSX-1 Unit		Cards	Mgmt
DSX-1 Unit

Cell Site			Station
Cell Site
			Switch
DSX-1		7900 Nest
DSX-1 Unit		Central Site
Customer Premises			97-15297

Figure 1-3. Cellular Network Access

User Interface Types

There are three types of user interfaces to the standalone units:

HVT100-compatible terminal interface (see Chapter 3)

HManual setting of switches and jumpers (see Chapter 3)

HFront Panel LED status indicators (see Chapter 6)

7924-A2-GB20-30

October 1997

1-5

Image 14

Paradyne 7924 manual User Interface Types, Cellular Network Access

Contents

Model 7924 Standalone T1 Hdsl Termination Unit Trademarks Warranty, Sales, and Service InformationCopyright 1997 Paradyne Corporation All rights reserved Important Safety Instructions EMI Warnings Contents Customizing V.35-Compatible Units Cable Pin Assignments Iii Document Summary About This GuideDocument Purpose and Intended Audience Product-Related Documents Document Number Document Title About HotWire Model Termination Units HotWire 7924-A1 Models and Features Model Number Features Typical Configurations Campus Network Applications DCS Cellular Network Access User Interface Types Overview Installing the UnitPackage Checklist for HotWire Model 7924-A1 Procedure Connecting to the NetworkConnecting Power to the Unit DSX-1-Compatible HotWire 7924 ± Rear Panel Connecting to a System Terminal Using Terminal and Switchpack ModesChoosing an Interface Mode Switching Between Terminal and Switchpack Modes Accessing Configuration Options Customizing DSX-1-Compatible Units Making Changes from the Terminal Interface DSX-1-Compatible Units Configuration Options 1 Hdsl Card Type DSX-1-Compatible Units Configuration Options 2 Making Changes in Switchpack Mode Displaying Switchpack Definitions Switchpack Settings for Line Build OUT Displaying Line Build-Out Definitions Customizing V.35-Compatible Units Customizing V.35-Compatible Units V.35-Compatible Units Configuration Options ± 6 x 64 384 kbps ± No change to rate Making Changes in Switchpack Mode CO/CP OFF=CP, ON=CO Monitoring the Unit What to Monitor Board Status for V.35-Compatible Unit Board StatusBoard Status for DSX-1-Compatible Unit Performance Statistics Performance Statistics for DSX-1-Compatible Unit Performance Statistics for V.35-Compatible Unit Remote Unit Information Meaning Front Panel LEDsDSX-1-Compatible Unit Compatible Unit Understanding Loopback Tests TestingDetecting a Problem Local Loopbacks Local Loopback, Initiated at the CO Unit Remote Loopbacks Remote Loopback, Initiated at the CO Unit Starting and Stopping Loopbacks Resetting the Unit Worksheets DSX-1-to-DSX-1 Configuration DSX-1-to-V.35 Configuration LAN Payload Rate DSX-1 T1 DS0s Used Unframed OperationTime Slot DS0 Assignments DSX-1-Compatible Units Configuration Worksheet Compatible Units Configuration Worksheet Cable Pin Assignments Terminal Connection Cable Pin Assignments Hdsl Loop Connection Cable Pin Assignments Pin T1 Network Connection Cable Pin Assignments Function Description Connection Cable Pin AssignmentsDirection Code Pin Name DSX-1-Compatible Units Switchpacks and JumpersJumper Pins Factory-Setting Switchpacks and Jumpers Compatible Units Jumper P8 GL-1 Factory defaultsGlossary COM port Loopback ResetGL-2 Index IN-1 IN-2 Index