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7520-A2-GN10-10

December 1998

Hardware Verification

Verify that the OK LED lights up.

Verify that the ALARM LED is off.

97-15786

Network

System

Port

CTS (106)

ALARM TEST

OOS

OOF

TXD (103)RXD (104)R

TS (105)

DTR (108)

7520 DSU

Verify that the User Interface Idle screen is displayed on the terminal or PC.

Press the Enter key. Verify that the Main Menu appears.

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ

main

Device Name:

Model: 7520

MAIN MENU

Status

Test

Configuration

Control

––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Ctrl-a to access these functions

Exit

If the DSU fails to respond as described, refer to Chapter 6,

Messages and

Troubleshooting, in the User’s Guide.

Содержание 7520

Страница 1: ...s Complete documentation for this product is available at www paradyne com Select Service Support Technical Manuals Subrate Digital Access Devices Select the following document 7520 A2 GB20 Model 7520...

Страница 2: ...tor on one end and an MS34 socket connector on the other end A DTE with a DB25 connector to the 25 pin DTE port Standard straight through EIA 232 cable with DB25 plug connectors on both ends Contact y...

Страница 3: ...3 7520 A2 GN10 10 December 1998 Installing Your DSU 97 15781 RJ48S Jack NETW ORK TERMIN AL MANAGEMENT POW ER D T E DTE EIA 232 Terminal Connection AC Adapter Network Connection DTE Connection or V 35...

Страница 4: ...power transformer into an ac outlet D T E TERMINAL DTE NETWORK POWER 97 15782 Power Jack Connecting the Terminal Port to an Async Terminal Procedure 1 Insert the 25 pin end of the EIA 232 cable into t...

Страница 5: ...ert one end of 25 pin EIA 232 cable into the DB25 DTE port 2 Insert the other end of the cable into the appropriate connector on your DTE D T E TERMINAL DTE NETWORK POWER 97 15784 DTE DTE Port or Conn...

Страница 6: ...X D 1 0 3 R X D 1 0 4 R T S 1 0 5 D T R 1 0 8 7520 DSU Verify that the User Interface Idle screen is displayed on the terminal or PC Press the Enter key Verify that the Main Menu appears main Device N...

Страница 7: ...ame screen are null until you enter values Allowable values are any printable ASCII character Saving Configuration Options When changes are made to the configuration options the changes must be saved...

Страница 8: ...uration Edit Display System Network Data Port Terminal Port MAIN MENU Status Test Configuration Control 497 15239 Load Configuration From System Options Menu For System Options refer to Table 1 To acc...

Страница 9: ...s the unit is running diagnostic tests During the tests the timing source is the internal clock This setting should be used for a LADS secondary timing unit LADS Line Rate Kbps Possible Settings 2 4 4...

Страница 10: ...loopback Disable DSU will not respond to a DSU loopback initiated by the network Data Scrambling 64K CC Possible Settings Enable Disable Default Setting Disable Determines whether data scrambling is...

Страница 11: ...e Circuit CT103 Transmitted Data TXD The feature should be enabled when data errors are occurring due to long cable lengths Enable The DSU supplied clock is phase inverted with respect to the transmit...

Страница 12: ...RTS Forced On Circuit Assurance Short Delay Medium Delay Long Delay Default Setting Standard Specifies the operation of the Interchange Circuit CT106 Clear to Send CTS which is an output from the DSU...

Страница 13: ...of the Interchange Circuit CT107 Data Set Ready DSR which is an output from the DSU Standard DSR is always asserted except when a DDS facility alarm is reported or the DSU is in Test mode Forced On DS...

Страница 14: ...ic logoff of an ATI session through the Terminal Port When the session is closed User Interface Idle appears on the screen and the unit toggles the Terminal port DSR lead Enable The ATI session termin...

Страница 15: ...7 Input power to this product must be provided by one of the following 1 a UL Listed CSA certified power source with a Class 2 or Limited Power Source LPS output for use in North America or 2 a certi...

Страница 16: ...sing equipment regulations Cet appareil num rique de la classe A respecte toutes les exigences du r glement sur le mat rial brouilleur du Canada Government Requirements Certain governments require tha...

Страница 17: ...d equipment This certification means that the equipment meets telecommunications network protective operational and safety requirements as prescribed in the appropriate Terminal Equipment Technical Re...

Страница 18: ...stributor directly for any help needed For additional information concerning warranty sales service repair installation documentation training distributor locations or Paradyne worldwide office locati...

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