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CHAPTER 2: Introduction9MODELS AVAILABLE:• T1 Fiber Mux 850-nm (MT1000A-85)• T1 Fiber Mux 1300-nm (MT1000A-13)• E1 Fiber Mux 850-nm (MT1000A-E1-85)• E

T1 AND E1 FIBER MUXES10Table 2-1. Fiber optic characteristics.Model (Wavelength) Fiber Type Transmitter Typical Output Receiver TypicalType Power Sens

CHAPTER 2: Introduction112.3.4 TEST AND DIAGNOSTIC CAPABILITIESEach mux comes with comprehensive test and diagnostics capabilities, including local lo

T1 AND E1 FIBER MUXES122.3.5 MANAGEMENT AND MONITORINGThe muxes are equipped with a front-panel RS-232 serial management port (“CONTROL”). This port o

CHAPTER 3: Installation and Setup133. Installation and Setup3.1 IntroductionThe T1 and E1 Fiber Muxes, shipped completely assembled, can be installed

T1 AND E1 FIBER MUXES143.2.4 FRONT AND REAR CLEARANCEAllow at least 36 inches (91.4 cm) of frontal clearance for operator access. Also allow at least

CHAPTER 3: Installation and Setup15WARNING• Only qualified and authorized service personnel should access the inside of theequipment. To avoid acciden

T1 AND E1 FIBER MUXES16Figure 3-1. Internal boards on MT1000A-85 and MT1000A-13.Table 3-1. Jumpers on MT1000A-85 and MT1000A-13.Jumper Description Val

CHAPTER 3: Installation and Setup17Figure 3-2. Internal boards on MT1000A-85-E1 and MT1000A-13-E1.Channel InterfaceThe nominal impedance of each inter

T1 AND E1 FIBER MUXES18Table 3-2. Jumpers on MT1000A-85-E1 and MT1000A-13-E1.Jumper Description Values Factory SettingJP23 Controls the operation of

FCC AND IC RFI STATEMENTS1FEDERAL COMMUNICATIONS COMMISSIONANDINDUSTRY CANADARADIO FREQUENCY INTERFERENCE STATEMENTSThis equipment generates, uses, an

CHAPTER 3: Installation and Setup193.5 Making Connections3.5.1 CONNECTOR LOCATIONThe figures below show typical rear panels on the muxes.Figure 3-3. R

T1 AND E1 FIBER MUXES203.5.6 CONNECTING THE SERVICE CHANNEL ON BOTH T1 AND E1 VERSIONSTo connect the service channel, connect the headset to the servi

CHAPTER 4: Operation214. OperationIn this chapter, you’ll find detailed instructions for operating the T1 or E1 Fiber Mux. The informationpresented in

T1 AND E1 FIBER MUXES22Table 4-1 (continued). Front-panel indicator, button, or connector and corresponding function.Number Indicator/Button/Connector

CHAPTER 4: Operation23Table 4-1 (continued). Front-panel indicator, button, or connector and corresponding function.Number Indicator/Button/Connector

T1 AND E1 FIBER MUXES245. ManagementA terminal can be used for configuration, monitoring, and maintenance operations.At this time, the T1 or E1 Fiber

CHAPTER 5: Management25If the autodetection still fails, reset the terminal emulation program and try a baud rate that differs from theone you used in

T1 AND E1 FIBER MUXES26Figure 5-3. Menu map.5.2 Status MonitoringYou can monitor the transmission status at the T1 or E1 and fiber optic interfaces (I

CHAPTER 5: Management272. Choose option 1, Interface status. The Interface Status screen appears, displaying one of the following statesfor each T1 or

T1 AND E1 FIBER MUXES28INTERNAL STATUS---------------------------------------------------------------------------------| Element | Local | Remote |-

T1 AND E1 FIBER MUXES2INSTRUCCIONES DE SEGURIDAD (Normas Oficiales Mexicanas Electrical Safety Statement)1. Todas las instrucciones de seguridad y ope

CHAPTER 5: Management29CONFIGURATION-------------0. Exit.1. View interface configuration.2. Change local interface configuration.3. Change remote inte

T1 AND E1 FIBER MUXES305.3.2 SETTING/RESETTING LOOPBACKS IN THE LOCAL MUX1. In the Configuration screen, choose option 2, Change local interface confi

CHAPTER 5: Management31CHANGE REMOTE INTERFACE CONFIGURATION------------------------------------NOTE: To change the configuration of the interface, se

T1 AND E1 FIBER MUXES32To select the fiber optic link redundancy mode on muxes with the optional dual fiber link board installed:1. In the Configurati

CHAPTER 5: Management33RESET TO DEFAULT CONFIGURATION------------------------------NOTE : After performing this operation all interfaceswill be set to

T1 AND E1 FIBER MUXES345.5 Viewing Hardware and Software UpdatesTo view the last hardware and software updates:1. In the Main Fibermux menu, choose op

CHAPTER 6: Testing and Diagnostics356. Testing and DiagnosticsThis chapter includes a description of the mux’s diagnostic tests and troubleshooting pr

T1 AND E1 FIBER MUXES36Figure 6-1. T1 or E1 local loopback in the local mux. Figure 6-2. Fiber optic link local loopback in the local mux.

CHAPTER 6: Testing and Diagnostics376.1.2 LOCAL LOOPBACKS IN THE REMOTE MUXYou can set two types of local loopback connections in the remote mux from

T1 AND E1 FIBER MUXES38Figure 6-4. T1 or E1 local loopback in the remote mux. 6.1.3 FIBER OPTIC REMOTE LOOPBACKWhen the fiber optic remote loopback is

TRADEMARKS/WARNINGS3TRADEMARKS USED IN THIS MANUALST is a registered trademark of AT&T.Any other trademarks mentioned in this manual are acknowled

CHAPTER 6: Testing and Diagnostics396.2 TroubleshootingIf a problem occurs, check the displayed indications and refer to Table 4-1 in Chapter 4.Identi

T1 AND E1 FIBER MUXES40Problem: Only one of the units connected to a local mux does not receive the remote equipment.Probable Cause #1: Equipment prob

APPENDIX: Interface Specifications41Appendix.Interface SpecificationsThis appendix covers the specifications for the channel, ALARMS, CONTROL, and pow

T1 AND E1 FIBER MUXES42A.3 CONTROL ConnectorThe front-panel supervisory port has a standard RS-232 DTE interface. The physical interface is a DB9 fema

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T1 AND E1 FIBER MUXES4ContentsChapter Page1. Specifications ...

CONTENTS5Chapter Page5. Management ...

T1 AND E1 FIBER MUXES61. SpecificationsFiber Optic Interface (All Models)Standards — ITU-T Rec. G.956Data Rates — MT1000A-85 and MT1000A-13: 6.176 Mbp

CHAPTER 1: Specifications7T1 Channel Interfaces (MT1000A-85 and MT1000A-13)Standards — ITU-T Rec. G.703, G.824Line Data Rate — 1.544 Mbps, nominalLine

T1 AND E1 FIBER MUXES82. Introduction2.1 OverviewThe T1 and E1 Fiber Muxes (available in 850-nm and 1310-nm versions) combine four T1(1.544 Mbps) or E