Access System Centum 56 SeriesAS56 and AS56Plus User Manual Access System 56 CSU/DSUAccess System 56Plus T1 CSU/DSUVerilink Corporation145 Baytech Dri
x AS56 and AS56Plus User ManualTerminal Operation ...
Auxiliary Ports6-22AS56 and AS56Plus User ManualAdd 1 screenVerilink Corporation April 26, 1996AS56 Plus T-1 CSU
Utilities (T1 and 56/64 kbps DDS modes)AS56 and AS56Plus User Manual6-23Add 1 screenVerilink Corporation April 2
Auxiliary Ports6-24AS56 and AS56Plus User Manual Add 1 screenVerilink Corporation April 26, 1996AS56 Plus T-1
Utilities (T1 and 56/64 kbps DDS modes)AS56 and AS56Plus User Manual6-25 Add 1 screenVerilink Corporation Apri
Auxiliary Ports6-26AS56 and AS56Plus User Manual Add 1 screenVerilink Corporation April 26, 1996AS56 Plus T-1
Utilities (T1 and 56/64 kbps DDS modes)AS56 and AS56Plus User Manual6-27 Add 1 screenVerilink Corporation
Auxiliary Ports6-28AS56 and AS56Plus User ManualAdd 1 screenVerilink Corporation April 26, 1996AS56 CSU/DSU
Printer ConfigurationAS56 and AS56Plus User Manual6-29Printer ConfigurationTo configure the auxiliary NMS/Printer port with a printer, use the unit’s
Auxiliary Ports6-30AS56 and AS56Plus User ManualPrinter Port Flow ControlThe unit’s port supports simultaneous hardware and software flow control sign
Printer OperationAS56 and AS56Plus User Manual6-31Printer OperationEvents are automatically sent (real-time) to the printer. See Events on page 5-10.
List of FiguresAS56 and AS56Plus User Manual xiFigur e2-1 Front Panel: Access System 56 Plus (AS56Plus) T1 CSU/DSU ...
Auxiliary Ports6-32AS56 and AS56Plus User ManualNMS (SNMP) ConfigurationThe NMS/Printer port can be connected to an SNMP network management station su
NMS (SNMP) ConfigurationAS56 and AS56Plus User Manual6-33 a. Set the Printer/NMS Port Mode to Connected to AS56. b. Set the Printer/NMS Port Speed to
Auxiliary Ports6-34AS56 and AS56Plus User ManualFigure 6-3 SNMP Manager Access with a Terminal Server With a routerIn Figur e6-4, an RS-232 (SLIP) por
NMS (SNMP) ConfigurationAS56 and AS56Plus User Manual6-35Via direct or dial-up connectionAnother method allows the SNMP Manager to access the Access S
Auxiliary Ports6-36AS56 and AS56Plus User Manual
AS56 and AS56Plus User ManualA-1AppendixA Standard Cabling for User PortsNetwork InterfacesThe T-1 and 56/64 kbps DDS Network Interfaces both use an 8
Standard Cabling for User PortsA-2 AS56 and AS56Plus User ManualT-1 Port (RJ48)Pin SignalTo/From Centum 56 Series1 Receive (R1) To2 Receive (T1) To3 N
Multi-Configurable Serial PortAS56 and AS56Plus User ManualA-3Multi-Configurable Serial PortThe Access Syst em56 Serial Port is a multi-configurable p
Standard Cabling for User PortsA-4 AS56 and AS56Plus User ManualV.35 ConfigurationV.35 signaling is provided through a female DB-25 connector per the
Multi-Configurable Serial PortAS56 and AS56Plus User ManualA-5RS-530/RS-422A ConfigurationRS-422A Category I signaling is provided through a female DB
xii AS56 and AS56Plus User Manual
Standard Cabling for User PortsA-6 AS56 and AS56Plus User ManualFigure A-2 RS-530/RS-422A Pin AssignmentsRS-232 ConfigurationWhen the Access Syst em56
Console PortAS56 and AS56Plus User ManualA-7Console PortThe Access Syst em56 Console Port allows the user to connect to an external terminal. The port
Standard Cabling for User PortsA-8 AS56 and AS56Plus User ManualSNMP PortThe Access Syst em56 SNMP Port is a dual function port. It allows the user to
SNMP PortAS56 and AS56Plus User ManualA-9CBE-020-090259-pin D-type male to 25-pin D-type male for direct connection of a terminal or a printer. Four f
Standard Cabling for User PortsA-10 AS56 and AS56Plus User Manual
AS56 and AS56Plus User ManualB-1AppendixB Special Serial Port CablingExternal TimingIf “External” timing is required to satisfy a particular applicati
Special Serial Port CablingB-2 AS56 and AS56Plus User ManualCables for External TimingThe figures in this section describe the crossover cabling neces
Cables for External TimingAS56 and AS56Plus User ManualB-3RS-422A Serial Port Cabling 458-501791-015RS-530 cross-over cable. D-type, 25-pin (DB-25) ma
Special Serial Port CablingB-4 AS56 and AS56Plus User Manual458-502363-015DB-25 to DB-37 (to RS-449) adapter cable. The Access System 56 end is 25-pin
Cables for INTernal/EXTernal TimingAS56 and AS56Plus User ManualB-5Cables for INTernal/EXTernal TimingPlease refer to items #16 and #24 on AS56 and AS
AS56 and AS56Plus User Manual1-1Chapter1 OverviewThe Access Syst em56 Super Rate Digital Network CSU/DSU provides the interface between customer equip
Special Serial Port CablingB-6 AS56 and AS56Plus User ManualFigure B-4 RS-422A Serial Port #1 Cabling for Internal/External TIming Access System 56 RS
Overview1-2AS56 and AS56Plus User ManualCentum 56 Series ProductThe Centum 56 Series product line includes the following specially featured unit types
T1 ConceptsAS56 and AS56Plus User Manual1-3T1 ConceptsA T1 digital transmission facility carries twenty-four 64 Kbps DS0 “channels,” for a total of 1.
Overview1-4AS56 and AS56Plus User ManualNetwork ProtectionThe Access Syst em56 provides complete electrical protection for the network by automaticall
SpecificationsAS56 and AS56Plus User Manual1-5event occurs, a description with a time and date stamp is immediately sent out the printer port. In addi
Overview1-6AS56 and AS56Plus User ManualNETWORK INTERFACE56/64 kbps DDS ModeInterface Integral 56/64 kbps DDS CSUFormat Full 56/64 kbps DDS Compatibil
AS56 and AS56Plus User Manual2-1Chapter2 Front Panel OverviewIntroductionThe front panel LCD screen displays two rows of sixteen characters each. Menu
ii AS56 and AS56Plus User ManualImportant NoticeVERILINK CORPORATION DISTRIBUTES THIS REFERENCE “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER LIMITED O
Front Panel Overview2-2AS56 and AS56Plus User ManualThere are an UP (↑) buttons, a DOWN (↓)button, a SELECT button, and an END button. The basic opera
LCD ScreenAS56 and AS56Plus User Manual2-3LCD ScreenThe LCD screen is limited to two lines of 16 characters each.The displayed menus include the Main
Front Panel Overview2-4AS56 and AS56Plus User ManualFigure 2-3 Centum 56 Series Menu Tree ConfigurationMain MenuAlarms / Stats Event Log UtilitiesDi
LED IndicatorsAS56 and AS56Plus User Manual2-5LED IndicatorsThere are seven LED indicators on the front panel. They are used to indicate the status of
Front Panel Overview2-6AS56 and AS56Plus User Manual
AS56 and AS56Plus User Manual3-1Chapter3 Configuring and Installing the Access Syst em56If you have purchased the AS56Plus unit, you can select from t
Configuring and Installing the Access Syste m563-2AS56 and AS56Plus User ManualRequirementsListed below are the requirements for operating Access Syst
Configuration ParametersAS56 and AS56Plus User Manual3-3Configuration ParameterProper configuration of the Access Syst em56 requires information regar
Configuring and Installing the Access Syste m563-4AS56 and AS56Plus User ManualSteps 4 through 11 (below) apply to T1/FT1 network interface configurat
Configuration ParametersAS56 and AS56Plus User Manual3-5 7. Network Diagnostics. This entry determines the Access Sy stem56’s ability to respond to di
AS56 and AS56Plus User ManualiiiUnpackingThis equipment is normally shipped in cardboard cartons with foam inserts to protect the units from shock and
Configuring and Installing the Access Syste m563-6AS56 and AS56Plus User ManualYe s should be chosen if the network supplier is a common carrier, such
Configuration ParametersAS56 and AS56Plus User Manual3-7Steps 12 through 15 apply to 56/64 kbps DDS network interface configuration. 12. Network Speed
Configuring and Installing the Access Syste m563-8AS56 and AS56Plus User Manual 14. Network Scrambler. This entry enables the unit to avoid inadverten
Configuration ParametersAS56 and AS56Plus User Manual3-9In a point-to-point configuration, one unit must use NI timing and the other unit must use som
Configuring and Installing the Access Syste m563-10AS56 and AS56Plus User Manualrequirements. There are three methods that can be used to ensure ones
Configuration ParametersAS56 and AS56Plus User Manual3-11contiguous or alternate DS0s. It is not possible for the string of DS0s to “wrap” from DSO-24
Configuring and Installing the Access Syste m563-12AS56 and AS56Plus User Manual• permanently Off•CD tracks RT• Switched (normally On, turns Off upon
Configuration ParametersAS56 and AS56Plus User Manual3-13 23. Serial Port, clock normal/inverted.Depress SELECT to choose Norm or Inv. Initially choos
Configuring and Installing the Access Syste m563-14AS56 and AS56Plus User ManualThe Int/Ext setting may require a special DTE configuration or a modif
Configuration ParametersAS56 and AS56Plus User Manual3-15Steps 26 through 31 (below) apply to Serial Port #1 in 56/64 kbps DDS mode. 26. Serial Port,
iv AS56 and AS56Plus User ManualFCC InformationThis equipment complies with the requirements in Part 15 of FCC Rules for a Class A computing device.
Configuring and Installing the Access Syste m563-16AS56 and AS56Plus User ManualSwitched is the recommended mode of operation unless the customer DTE
Configuration ParametersAS56 and AS56Plus User Manual3-17Access Syst em56 will provide both TX-clock and RX-clock to the customer DTE.External should
Configuring and Installing the Access Syste m563-18AS56 and AS56Plus User ManualChecking the “T-Channels”Depress UP or DOWN while comparing Access Sys
Checking the “T-Channels”AS56 and AS56Plus User Manual3-19Configuration__DS0 Assignments END to display:Main Menu HH:MM__Configuration END to
Configuring and Installing the Access Syste m563-20AS56 and AS56Plus User ManualAccess Sy stem56 Self-TestingThe self-testing can be performed via eit
Access Syst em56 Self-TestingAS56 and AS56Plus User Manual3-21Confirm that the Seconds/Test is properly incrementing and then depress UP to confirm th
Configuring and Installing the Access Syste m563-22AS56 and AS56Plus User Manual56/64 kbps mode self testingIf the Local Loop is presently Off, the Ne
Access Syst em56 Self-TestingAS56 and AS56Plus User Manual3-23Confirm that the Seconds/Test is properly incrementing and then depress UP to confirm th
Configuring and Installing the Access Syste m563-24AS56 and AS56Plus User ManualConnecting the Access S ystem56After all units have been configured an
Line TestingAS56 and AS56Plus User Manual3-25Line Testing This section discusses line testing for point-to-point configuration and Fractional T1 Integ
AS56 and AS56Plus User ManualvFCC User RequirementsThe following instructions are provided to ensure that you comply with the Federal Communications C
Configuring and Installing the Access Syste m563-26AS56 and AS56Plus User ManualIf the remote end responds properly to this command, the Network LOOP
Line TestingAS56 and AS56Plus User Manual3-27Turn Off the BERT and the Loop. Your system is now ready for operation.56/64 kbps DDS Mode Line Testing I
Configuring and Installing the Access Syste m563-28AS56 and AS56Plus User Manualcontact your network supplier. Continue with the following steps only
Line Testing (Integrated Access, Fractional T1)AS56 and AS56Plus User Manual3-29Line Testing (Integrated Access, Fractional T1)The line testing can be
Configuring and Installing the Access Syste m563-30AS56 and AS56Plus User ManualAS56 and AS56Plus WorksheetModel #Company Name:Location:T-Carrier ID:L
AS56 and AS56Plus User Manual4-1Chapter4 Testing the Access Syst em56Access Syst em56 testing can be performed via either the unit’s control panel or
Testing the Access System 564-2AS56 and AS56Plus User ManualTesting in T1/FT1 ModeThis section discusses the various tests available for the AS56Plus,
Testing in T1/FT1 ModeAS56 and AS56Plus User Manual4-3Payload BERTThe Payload BERT is useful in a point-to-point environment. The Access System 56 uni
Testing the Access System 564-4AS56 and AS56Plus User ManualLocal Loop with BERTThe CSU portion of a single Access Sys tem56 unit can be tested by act
Testing in T1/FT1 ModeAS56 and AS56Plus User Manual4-5Payload LoopThe Payload Loop is useful for looping back any testing initiated by the other end o
vi AS56 and AS56Plus User Manualoperated only by trained individuals and that the signal power at the telephone company interface will not exceed the
Testing the Access System 564-6AS56 and AS56Plus User ManualLine LoopLLB causes a local line loop (at the Acce ss System56 unit where the command was
Testing in T1/FT1 ModeAS56 and AS56Plus User Manual4-7Serial Port LoopLocal Loop ON causes a loop (at the Access Sy stem56 unit where the command was
Testing the Access System 564-8AS56 and AS56Plus User ManualSerial Port BERTThe Serial Port (DTE) BERT can be used as a part of many different test co
Testing in 56/64 kbps DDS ModeAS56 and AS56Plus User Manual4-9Testing in 56/64 kbps DDS ModeThis section discusses the various tests available for the
Testing the Access System 564-10AS56 and AS56Plus User ManualCSU LoopThe CSU Loop is useful for looping back any testing initiated by the other end of
Testing in 56/64 kbps DDS ModeAS56 and AS56Plus User Manual4-11DSU LoopThe DSU Loop is useful for looping back any testing initiated by the other end
Testing the Access System 564-12AS56 and AS56Plus User Manual
AS56 and AS56Plus User Manual5-1Chapter5 Other FeaturesMany other functions are available in the Access Sy stem56. This chapter describes access from
Other Features5-2AS56 and AS56Plus User Manual56/64 kbps DDS modeThe Alarms and Stats Main Menu is intended for those users with 56/64 kbps DDS alarm
Alarm DefinitionsAS56 and AS56Plus User Manual5-3Alarm DefinitionsThis section discusses the alarm definitions that apply to T1/FT1 mode and 56/64 kbp
Table of ContentsAS56 and AS56Plus User Manualvii1OVERVIEW 1-1Centum 56 Series Products ...
Other Features5-4AS56 and AS56Plus User ManualBPV.Bipolar Violation. This usually indicates that a very weak or overly strong signal is being received
ESF Statistics Definitions (T1/FT1 Mode)AS56 and AS56Plus User Manual5-5ESF Statistics Definitions (T1/FT1 Mode)Errored Second (ES).Any occurrence of
Other Features5-6AS56 and AS56Plus User ManualAlarms/Statistics Menu (T1/FT1 Mode)Please refer to Alarm and ESF Statistics Definitions previously desc
Alarms/Statistics Menu (T1/FT1 Mode)AS56 and AS56Plus User Manual5-7 Scrolling UP/DOWN will provide detailed information. Below is the SES/BES display
Other Features5-8AS56 and AS56Plus User ManualSerial Port IndicatorsThis section discusses the various serial port indicators available in T1/FT1 mode
UtilitiesAS56 and AS56Plus User Manual5-9UtilitiesFrom the Utilities Main Menu, SELECT then use UP/DOWN arrows to: View Unit TypeThe unit type can onl
Other Features5-10AS56 and AS56Plus User ManualEventsThe Access Syst em56 constantly monitors for the occurrence of “events” such as alarms, test comm
EventsAS56 and AS56Plus User Manual5-11T1/FT1 EventsType Text DescriptionSystem UNIT START Access Syst em56 power up or initialization sequenceBRAM CL
Other Features5-12AS56 and AS56Plus User Manual56/64 kbps DDS EventsType Text DescriptionSystem UNIT START Access Syst em56 power up or initialization
AS56 and AS56Plus User Manual6-1Chapter6 Auxiliary PortsThe Access Syst em56 includes two RS-232 “auxiliary” ports. The Console port allows the user t
viii AS56 and AS56Plus User ManualChecking the “T-Channels”...
Auxiliary Ports6-2AS56 and AS56Plus User ManualCablingThe table below provides a summary of the Verilink cables available for the Centum series. For
CablingAS56 and AS56Plus User Manual6-3The following cables are recommended:CBE-020-09025. 9-pin D-type male to 25-pin D-type male for direct connecti
Auxiliary Ports6-4AS56 and AS56Plus User ManualRear panel viewsThe two following figures show the rear panel views of the AS56Plus and AS56, respectiv
Terminal ConfigurationAS56 and AS56Plus User Manual6-5Terminal ConfigurationBefore connecting the terminal set it to 1200, 2400, 4800 or 9600 bps and
Auxiliary Ports6-6AS56 and AS56Plus User ManualThe Utilities Menu can be used to change the password.The auxiliary ports depend on RTS from a terminal
Terminal OperationAS56 and AS56Plus User Manual6-7Terminal OperationBecause the terminal functions are identical to the front panel functions previous
Auxiliary Ports6-8AS56 and AS56Plus User Manual 1. From the Main Menu, select System Utilities. The following menu appears. From this menu, select &g
Terminal OperationAS56 and AS56Plus User Manual6-9 a. If you select (S)ave, the following appears on the screen: b. If you select (S)ave, the follo
Auxiliary Ports6-10AS56 and AS56Plus User ManualConfiguration MenusThis section describes the systemconfiguration menus for T1/FT1 mode and 56/64 kbps
Configuration MenusAS56 and AS56Plus User Manual6-11Add 1 screenVerilink Corporation April 26, 1996AS56 Plus T-1
AS56 and AS56Plus User ManualixSerial Port Indicators...
Auxiliary Ports6-12AS56 and AS56Plus User Manual56/64 kbps DDS modeFrom the terminal’s DDS Main Menu, the user has selected System Configuration and i
Link Alarms and DiagnosticsAS56 and AS56Plus User Manual6-13Link Alarms and DiagnosticsThis section discusses the link alarms and diagnostics for T1/F
Auxiliary Ports6-14AS56 and AS56Plus User Manual64 kbps DDS Mode on page 4-9, Alarms and Statistics on page 5-1, and Alarm Definitions on page 5-3. Ad
Serial Port Diagnostics/IndicatorsAS56 and AS56Plus User Manual6-15Serial Port Diagnostics/IndicatorsThis section discusses the serial port diagnostic
Auxiliary Ports6-16AS56 and AS56Plus User Manual Add 1 screenVerilink Corporation April 26, 1996AS56 CSU/DS
ESF Registers (T1/FT1 mode)AS56 and AS56Plus User Manual6-17ESF Registers (T1/FT1 mode)From the terminal’s T1 Main Menu, the user has selected ESF Reg
Auxiliary Ports6-18AS56 and AS56Plus User ManualThe user can then proceed to this next menu for detailed information. These menus provide the function
Event Log (T1/FT1 Mode and 56/64 kbps DDS mode)AS56 and AS56Plus User Manual6-19Event Log (T1/FT1 Mode and 56/64 kbps DDS mode)From the terminal’s T1
Auxiliary Ports6-20AS56 and AS56Plus User ManualUtilities (T1 and 56/64 kbps DDS modes)From the terminal's T1 or DDS Main Menu, the user has sele
Utilities (T1 and 56/64 kbps DDS modes)AS56 and AS56Plus User Manual6-21Add 1 screenVerilink Corporation April 2
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