Verilink 1558A (34-00228) Product Manual Bedienungsanleitung

TRANSPORT®IntroductionReference Manual34-00228 2nd Edition1558A APS

Installation 2-31558A APS 2.4.5 COM Bus ConnectionsThe rear panel COM BUS connectors (IN/OUT) are used tocommunicate to/from the optional APS 1559 sit

1558A APS2-4 Installation • Alarm on Loss of Signal• AMI/B8ZS Line Coding for DTE and NET • CSU Functions Enabled/Disabled • Path Revert, Enabled/Disa

Installation 2-51558A APS • Loss of frame set to Enabled • Loss of signal set to Enabled In addition to setting the ROM configuration options, theuser

1558A APS2-6 Installation NOTE: If the 1558A DTE is configured for AMI opera-tion, the test sets must be set up to generate either a 511,2047, or 1:7

Installation 2-71558A APS 2.6.2 Path B Preservice Testing Perform the following test steps to verify that the 1558A canrun error free data from the DT

1558A APS2-8 Installation 4) Operate the Service Select switch on the 1558A to thePath A position at both the near and far 1558A units. Thisforces bot

Operation 3-11558A APS Operation3.0 IntroductionThe 1558A provides the capability to automatically switchfrom a “defective” T1 service to a standby fa

1558A APS3-2 Operation 1558CO #1 CO #2155715571558DTET1, AIXC NetworkCO #2CO #1IXC NetworkT1 ACCESS15571557MasterSlave SlaveMasterT1, BT1, AT1, BT1, A

Operation 3-31558A APS transfers and forces the path not inhibited to carry the ser-vice, regardless of its status or condition. 3.2.7 APS Switching T

1558A APS3-4 Operation 3.2.9 Line Availability TimerThe line availability timer is used to quantify when a path iseligible to accept service.Line avai

GeneralIntroduction ... 1-1Design Highlights ...

Operation 3-51558A APS 3.3.1 Supervisor PortThe front panel SUPV port allows the user to connect to the1558A via a PC running the supplied APS LAPS (L

1558A APS3-6 Operation 3.3.5 Status IndicatorsThe 1558A front panel STATUS A and B LEDs (amber)indicate which of the two T1 receive paths (A or B) is

Operation 3-71558A APS dition occurs if there are no pulses for 175 or more bit times.The loss of signal state will be cleared when one or moredata pu

1558A APS3-8 Operation Pwr A Terminals (-DC, RTN): These two terminals areused to connect an external -20 to -56 VDC power source tothe 1558A. The pos

LAPS Operation 4-11558A APS LAPS Operation4.0 IntroductionAccess to key 1558A configuration, performance, and test-ing functions can be locally perfor

1558A APS4-2 LAPS Operation (Screen 4-2 on page 4-3) which depicts these commonscreen elements.Date and Time: The top right corner of the LAPS screena

LAPS Operation 4-31558A APS arrow keys or cursor control commands to highlight thedesired submenu. Once a selection has been made, press<return>

1558A APS4-4 LAPS Operation field will show one of the following status indicators foreach line:(dashed line): No status is available for this circuit

LAPS Operation 4-51558A APS headers along with the circuit’s position designator. All ofthese are found in the upper left corner of the display.NOTE:

1558A APS4-6 LAPS Operation Seconds (SES), and Bursty Errored Seconds (BES). Thevalue of each of these parameters is displayed for the currentinterval

Copyright  1996 TxPORT, All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, storedin a retrieval system, or

LAPS Operation 4-71558A APS specify a loop that is illegal (i.e. looping the active line). Noerror message will be generated but the illegal action wi

1558A APS4-8 LAPS Operation eters. If the screen is exited with a <N> response, reenteringthe Configuration Screen will show that all fields hav

LAPS Operation 4-91558A APS CRC, Fac. to Eq: Determines whether data passed fromthe network (facility) side to the equipment side of an APSwill be pas

1558A APS4-10 LAPS Operation 4.8 Loopback OperationsThe 1558A has several loops that can be initiated by the userto assist in trouble shooting T1 tran

LAPS Operation 4-111558A APS A Line loopback loops the incoming T1 signal from thefacility back to the network. Only the T1 signal level isregenerated

1558A APS4-12 LAPS Operation A facility loopback loops the outgoing T1 signal back to the1558A receive. The T1 signal level is regenerated and,dependi

LAPS Operation 4-131558A APS back to Soft Inhibit or Standby. Also note that the LoopLED indicator on the far slave 1558A turns off. The CPELine loop

1558A APS4-14 LAPS Operation 4.9 BERT TestingThe user can perform BERT testing by accessing the Main-tenance screen. In the lower right hand and left

IndexBBipolar Violations 3-1CCircuit List Screens 4-3Circuit ID 4-3Far 4-4Near 4-3Pos 4-3State 4-3Circuits in Alarms 4-3Circuits in Test

SService Select control 3-2Site Preparations 2-1Specifications 1-1Switching Time 3-3TTerminal Strip 3-7TxPORT Customer Service 1-4UUser Log

General 1-11558A APS General1.0 IntroductionThe TxPORT 1558A APS (Automatic Protection Switch)unit provides automatic T1 service restoration from adeg

1558A APS1-2 General ESF Mode: Pass/Block Facility Data Link to/from DTE DiagnosticsLine Loop: Signal regeneration only (bidirectional) Payload Loop:

General 1-31558A APS 3) If the unit appears to be malfunctioning, it should bedisconnected from the telephone lines until you learnwhether the source

1558A APS1-4 General 1.6 Ordering NumbersThe 1558A is shipped from the factory with the followingstandard items:• The 1558A unit (the part number is F

Installation 2-11558A APS Installation2.0 GeneralProper installation of the 1558A unit involves the followingkey steps:• Site Survey and Preparation•

1558A APS2-2 Installation 2.4 Wiring & Connections There are several wiring connections that must be performedto install the APS unit. The followi