Verilink PRISM 3111 (34-00242) Product Manual Uživatelský manuál

i34-00242November 1998PRISM 3111/3112T1 / FT1CSU / DSU®

2 ABOUT THIS GUIDEConventionsThe following table lists the conventions that are used throughout this guide.Convention DescriptionA notice calls attent

92 CHAPTER B: CUSTOMER SERVICEThis service features information about TXPORT products, customer service, technical support, latest news releases, and

Returning Products 93Returning ProductsIf for any reason you must return your TXPORT product, it must be returned to the factory, shipping prepa

94 CHAPTER B: CUSTOMER SERVICE✦ Purchase order number to cover charges for out-of-warranty items.✦ Name and phone number of person we can contact if

Affidavit for the Connection of Customer Premises Equipment to 1.544 Mbps and/or Subrate Digital ServicesFor work to be performed in the certified ter

I attest that the operator(s) maintainer(s) of the digital CPE responsible for the establishment,maintenance, and adjustment of the encoded analog con

1GENERALThe TXPORT PRISM 3111/3112 CSU/DSU terminates a broad range of T1/FT1 networking applications. The single port 3111 and the dual port 3112 mod

4 CHAPTER 1: GENERALeliminating the need for taking units out of service for an extended time or returning units to the factory for updates.When conn

Specifications 5Timing Source: Internal, recovered line clock, external DTE (Port 1 only), and T1 DTE Ones Density: B8ZS, Nx56 bit stuffing, alt

6 CHAPTER 1: GENERALDial BackupConnection: RS-232, 10-pin modularBackup Service: external PSTN deviceConfiguration: Information for backup unit is st

Specifications 7Internet: RFC1157 (SNMP)RFC1213 (MIB-II)RFC1406 (DS1 MIB)RFC1055 (SLIP)TXPORT.MIB Industry Listings FCC Compliance: Part 15 Clas

8 CHAPTER 1: GENERAL

2INSTALLATIONThis chapter contains pinout, connection and DIP switch information concerning the ports and power supply located on the rear of the unit

10 CHAPTER 2: INSTALLATIONPort ConnectionsThe rear of the PRISM 3111/3112, contains up to eight port connections as shown in Figure 2-1: LAN, SLIP, S

Port Connections 11 SLIP The SLIP port bit rates are configured through the front panel interface on page 42 for LCD units or through rear panel

iiFRONT MATTERCopyright ©1998 TXPORT. All rights reserved. No part of this publication may be reproduced, transmitted, tran-scribed, stored in a retri

12 CHAPTER 2: INSTALLATION11). It can be set to 1.2, 2.4, 9.6 or 19.2 kbps. This port is a DCE port configured for 8 bits, no parity, and 1 stop bit.

Port Connections 13The network physical interface is a standard RJ-48C, 8-pin modular jack. Table 2-5 displays the pinout assignments.In accorda

14 CHAPTER 2: INSTALLATIONData PortConnectionsThe PRISM 3111 is equipped with either a V.35 port (on a standard 34-pin connector) or an EIA-530 port

DIP Switch Settings 15DC PowerThe -48 VDC powered units have two terminal block connections labeled positive (+) and negative (-) that accept wi

16 CHAPTER 2: INSTALLATIONIf the boot mode is set to Boot From Switches (S1-1=Dn) and you change any other configuration switch, the unit will config

DIP Switch Settings 17port bit rates that are multiples of 56 kbps. The unit maintains ones density for the selected DS0 channels in this mode.

18 CHAPTER 2: INSTALLATIONTiming SourceSwitch S2-5 and S2-6 determine the unit clocking source. The most common timing source for CSU/DSU application

DIP Switch Settings 19 Switch S4 Switch S4 (Figure 2-7) configures the T1 DTE port. Any channel not mapped to a data port is mapped to the T1 DT

20 CHAPTER 2: INSTALLATIONDTE FramingSwitch S4-1 selects the framing type for the DTE side of the element as either ESF (Dn) or D4 (Up).DTE CodingSwi

3FRONT PANEL INTERFACEDepending on your ordering options, the PRISM 3111/3112 front panel comes with or without an LCD screen option and option specif

iiiShielded cables must be used with this unit to ensure compliance with the Class A FCC limits. This equipment complies with Part 68 of the FCC Rules

22 CHAPTER 3: FRONT PANEL INTERFACEButtonsTwo front panel buttons allow you to send loop tests. TESTWhen this button is pushed once, the unit transmi

LCD Option 23BACKUPAmber LED blinks when dialing, connecting, or disconnecting. Solid illumination when active.TESTThis LED flashes green when t

24 CHAPTER 3: FRONT PANEL INTERFACEThe unit is factory shipped without a programmed password. When accessing this interface for the first time, the p

LCD Option 25Information ElementThe Information Element is a user selectable field allowing you to change the current setting. Initially, it is

26 CHAPTER 3: FRONT PANEL INTERFACEMain MenuThe front panel interface is designed on a hierarchical menu system. The PRISM 3111/3112 allows you to ch

Performance 27Reset Tmr This field is the contiguous number of seconds that an alarm parameter must be clear before the alarm is reset. It is sp

28 CHAPTER 3: FRONT PANEL INTERFACE30 Day PerformThis register allows you to view the number of events in the past 30 day period for the following al

Maintenance 29ULpDn - (Unframed Loop Down). The unit will transmit unframed inband loop-down code to the far end unit.None - No loop active.Net

30 CHAPTER 3: FRONT PANEL INTERFACEtiming. Set the T1-NET Timing to Internal when this loop is enabled. Options include None, LpUp and LpDn.T1 DTE Lo

Maintenance 31NearOptions include None, LpUp and LpDn.FarOptions include None, LpUp and LpDn. Figure 3-14 Bidirectional Port LoopPort 2 Loops

ivor its Authorized Reseller. TXPORT warrants the media containing software against failure during thewarranty period. No updates are provided. TXPORT

32 CHAPTER 3: FRONT PANEL INTERFACECh 1 - 24 - BERTs the selected channel towards the network. Only un-allocated channels are available for selection

Configuration 33Ln CodeSets the network interface line coding as either B8ZS and AMI.LBOSets the line build out for the network interface as eit

34 CHAPTER 3: FRONT PANEL INTERFACEFramingSelects the type of framing for the T1 DTE side of the element. The unit will support ESF to D4 or D4 to ES

Configuration 3556 x N =Pressing the Scroll button allows you to select one of the 24 port bit rate settings for the 56 kbps Rate Multiplier. x1

36 CHAPTER 3: FRONT PANEL INTERFACECTSSetting this field to Force True (Force T) or Force False (Force F) allows the forcing of the port control lead

Configuration 37Active - DBU connection is established and active.Conncting - DBU is verifying password end-to-end connection.Disallow - DBU con

38 CHAPTER 3: FRONT PANEL INTERFACESecurityAllows you to enable (En) or disable (Dis) the security function limiting access to the DBU interface. The

Configuration 39Unit IP AddrEach device connected to the LAN is required to have a unique IP address identifier. This field allows you to enter

40 CHAPTER 3: FRONT PANEL INTERFACETrap 1 - 6 IP AddrAccepts the IP address of a network device where alarm reporting traps are to be sent. The unit

Configuration 41NET Alarms: alarms <CR> <LF>DTE Alarms: alarms <CR> <LF>where (alarms) is a string consisting of some or

vTable of Contents Front MatterCopyright. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iiDocumentation Disclaimer . . . . . .

42 CHAPTER 3: FRONT PANEL INTERFACEDial - Sends reports through a modem to the SLIP server. The unit attempts three times to connect using the primar

Utilities 43Date The current date is set by entering each digit in the standard MM/DD/YY date format. Each field is range checked and automatica

44 CHAPTER 3: FRONT PANEL INTERFACE

4TERMINAL INTERFACEExtensive software configuration can be performed through an ANSI compatible VT100 terminal interface (ASCII), or a computer runnin

46 CHAPTER 4: TERMINAL INTERFACEDevice Type andRevisionThe device type (3100 DSU) and the revision control numbers are shown in the upper left corner

Main Menu 47Fields enclosed in brackets [ ] offer you a list of selections from which to choose. The selections may be toggled by pressing the S

48 CHAPTER 4: TERMINAL INTERFACEAlarmsThe Alarms screen (Figure 4-3) allows you to view the current alarm status of the network and the DTE interface

Alarms 49DTE Alarms These status lines display the selected element’s current DTE signal alarm state (Table 4-3). Alarms are determined by the s

50 CHAPTER 4: TERMINAL INTERFACEPerformanceThe Performance screen (Figure 4-4) displays a detailed history of the error parameters that are continuou

Performance 51TELCO DTE - Display the telco performance registers for the DTE.Error Events This field displays the running total of ESF error e

viButtons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Sc

52 CHAPTER 4: TERMINAL INTERFACEperiod (or the last 96 fifteen-minute intervals). The third line shows the 30-day totals. The remaining lines of this

Element Maintenance 53Element MaintenanceThe Element Maintenance screen (Figure 4-5) allows you to perform loop test and/or BERT (Bit Error Rate

54 CHAPTER 4: TERMINAL INTERFACEThe type of T1 loop is chosen by toggling the <spacebar> and is executed by pressing <enter>. Figure 4-6

Element Maintenance 55 You can activate a NET LLB on the remote end unit through this selection or through the front panel TEST switch (if confi

56 CHAPTER 4: TERMINAL INTERFACEDTE LLBThe T1 DTE LLB command loops data received at the T1 DTE interface back toward the T1 DTE (all DS0s are return

Element Maintenance 57BERT This command allows you to select the BERT to be run. Selections are: None - No BERT selected.Idle - BERTs the idle (

58 CHAPTER 4: TERMINAL INTERFACEReset ErrorsPressing <enter> with the cursor on this field causes the test error results to be cleared to zero.

Configuration 59Figure 4-9 Line Parameters ScreenT1-NET FramingSelects the type of framing for the network side of the element as either ESF o

60 CHAPTER 4: TERMINAL INTERFACEPort 1 - Timing is synchronized to the external terminal timing clock supplied from the DTE and connected to the sele

Configuration 61SignallingAllows you to select Clear Channel or Robbed Bit signalling for each DS0. Each DS0 is set to the Clear Channel (Disabl

viiSUPV Prt Parms . . . . . . . . . . . . . . . . . . . . . .40COA Con . . . . . . . . . . . . . . . . . . . . . . . .40Prim Dial String . . . . . .

62 CHAPTER 4: TERMINAL INTERFACESeverely Errored SecondsA one second period in which at least 320 CRC errors or 1 OOF (out-of-frame) occurred. Loss o

Configuration 63 Figure 4-11 Port Configuration ScreenChannel AllocationThis display-only field indicates the network channel assignments with

64 CHAPTER 4: TERMINAL INTERFACEmaintained by the idle channels rather than placing any restrictions on the high speed data but reduce the available

Configuration 65CTS/DSR/DCD ControlSetting to Force True or Force False allows the forcing of the port control lead output state. Internal allow

66 CHAPTER 4: TERMINAL INTERFACEStatusLists the current DBU status:Disaled - DBU function is disabled.Enabled - DBU function is enabled and is monito

Configuration 67SecurityAllows you to enable or disable the security function limiting access to the DBU interface. The security setting must be

68 CHAPTER 4: TERMINAL INTERFACETCP/IPConfigurationThe TCP/IP Configuration screen (Figure 4-13) allows for the entry of those parameters required fo

Configuration 69SNMP Configuration The SNMP Configuration screen (Figure 4-14) allows for the entry of those parameters required for proper oper

70 CHAPTER 4: TERMINAL INTERFACET1 network problems often cause more than one alarm type. In these cases, multiple trap messages are generated, each

Configuration 71Call on alarm messages are reported in the following format in the Dial or Direct modes only: Element ID HH:MM:SS MM/DD/YY <C

viiiSignalling Enabled . . . . . . . . . . . . . . . . . . . . 63Port # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63Rate Multiplier

72 CHAPTER 4: TERMINAL INTERFACEDisconnection StringThis field identifies the character string to be output when the modem session is terminated. The

Configuration 73Summary The Summary screen (Figure 4-16) is a display-only screen which summarizes pertinent unit configuration settings. Figure

74 CHAPTER 4: TERMINAL INTERFACEHW Address - Displays the six byte Medium Access Control (MAC) address for the physical unit if an Ethernet or Token

Utilities 75The time and date for a far-end unit can be set from this screen. However, it will not be displayed at the top right hand corner of

76 CHAPTER 4: TERMINAL INTERFACETo exit this screen without performing the reset function, press <enter> with NO selected. To proceed with the

ASNMP AGENTThis unit has an embedded SNMP agent which can be accessed either through the built in SLIP interface or the optional Network Interface Car

78 APPENDIX A: SNMP AGENTGET: returns the System Location string for the unit, defaults to ‘no system location’SET: sets the System Location string f

RFC 1213 79slip(28) - returned for the SLIP Interfaceethernet-csmacd(6) - returned for Ethernet NICiso88025-tokenRing(9) - returned for Token Ri

80 APPENDIX A: SNMP AGENTtesting(3) - returned for the DS1 interface, Port 1 or Port 2 if the interface has a test loop or BERT active. ifLastChange:

RFC 1406 - DS1/E1 MIB 81dsx1SendLineCode(2) - the unit is transmitting an inband LLB loopup signal. Since this occurs for less than 6 seconds, t

ABOUT THIS GUIDEWhat is a reference manualThis manual is a reference guide. It provides information concerning unit configuration, cabling, and testin

82 APPENDIX A: SNMP AGENTSET:dsx1NoLoop(1) - deactivates any loops active on the unitdsx1PayloadLoop(2) - the unit will activate a PLB if no other lo

RFC 1406 - DS1/E1 MIB 83SET:loopTiming(1) - sets network timing to the network clocklocalTiming(2) - sets the network timing to the internal clo

84 APPENDIX A: SNMP AGENTdsx1CurrentCSSs: (read-only)GET: returns the number of Controlled Slip Seconds (per 54016) in the current 15 minute interval

RFC 1406 - DS1/E1 MIB 85dsx1IntervalUASs: (read-only)GET: returns the number of Unavailable Seconds (per 54016) in the specified 15 minute inter

86 APPENDIX A: SNMP AGENTdsx1TotalUASs: (read-only)GET: returns the number of Unavailable Seconds (per 54016) in the previous 24 hour perioddsx1Total

RFC 1406 - DS1/E1 MIB 87dsx1FarEndCurrentSEFSs: (read-only)GET: returns the number of Loss Of Frame Seconds (per 54016) in the current 15 minute

88 APPENDIX A: SNMP AGENTdsx1FarEndIntervalSEFSs: (read-only)GET: returns the number of Loss Of Frame Seconds (per 54016) in the specified 15 minute

RFC 1406 - DS1/E1 MIB 89dsx1FarEndTotalUASs: (read-only)GET: returns the number of Unavailable Seconds (per 54016) in the previous 24 hour perio

90 APPENDIX A: SNMP AGENT

BCUSTOMER SERVICETXPORT provides easy access to customer support information through a variety of services. This section describes these services.Supp