Black Box CSU/DSU Specifications

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CHAPTER 2: Introduction92.4.4 LOCAL AGGREGATE LOOPBACKThe LOCAL AGGREGATE LOOPBACK diagnostic (Figure 2-4) enables the user to verify the T1CSU/DSU lo

T1 CSU/DSU10NOTEWhen operating as a channel service unit (CSU), the setting of the Line Build Out function isdictated by the carrier and must be set a

CHAPTER 2: Introduction11Figure 2-5. Rear Panel Connections.VM Series Regaulated Table Top Power SupplyPin 1 = CommonPin 2 = N/CPin 3 = +5VPin 4 = –1

T1 CSU/DSU123.0 INSTALLATION3.1 INTRODUCTIONThis chapter has the information necessary to plan, perform and verify the mechanical and electricalinsta

CHAPTER 3: Installation133.4.3 POWER CABLING AND INITIAL POWER UPNOTEBefore connecting the power cable to the T1 CSU/DSU, ensure that the unit is prop

T1 CSU/DSU144.0 OPERATION4.1 INTRODUCTIONThe T1 CSU/DSU is controlled by a series of simple switch settings that the operator can select byaccessing

CHAPTER 4: Operation15Configuration WorksheetCUSTOMER NAME:_______________________________________________________DATE:_______________________________

T1 CSU/DSU163. CHANNEL SEND TIMING:A. LOOP 1 (Terminal Timing) ...S1-5: ONB. LOOP 2 (Send Timing) ...

CHAPTER 4: Operation17SWITCH TWO SETTINGS1. LBO SETTlNG (Active only in the CSU mode of operation. When operating in the DSX-1 mode, theLBO switch mus

T1 CSU/DSU18In making the following 5 selections, the operator defines the mode of operation as DSX1 and alsospecifies the proper transmit output puls

T1 CSU/DSU1T1 CSU/DSUInstallation and Operation Manual—————FEDERAL COMMUNICATIONS COMMISSIONRADIO FREQUENCY INTERFERENCE STATEMENTThis equipment gener

CHAPTER 4: Operation19D. 1 IN 64 ...S3-6: OFFS3-7: OFFS3-8: OFFE. NONE ..

4.1.2 CONFIGURATIONS TABLESWhen the user becomes proficient with the configuration procedures of the T1 CSU/DSU Series unit, itmay easier and simpler

CHAPTER 4: Operation21Table 4-3. Aggregate Timing Selection.TRANSMIT TIMING REFERENCE S1–9 S1–10INTERNAL (MASTER) CRYSTAL TIMING ON ONLOOP (SLAVE)

T1 CSU/DSUT1 CSU/DSUNAME22Table 4-5. Output Pulse Selection.LINE LENGTH SELECTED S3-3 S3-4 S3-5N/A ON ON ONN/A OFF ON ONCSU ON OFF ONDSX–1 000 – 133

APPENDIX A: FCC Documentation Requirements23FCC DOCUMENTATIONREQUIREMENTSThe following information is required by FCC Part 68 Rules which inform the u

T1 CSU/DSUT1 CSU/DSUNAME24AFFIDAVIT FOR THE CONNECTION OFCUSTOMER PREMISES EQUIPMENT TO1.544 MBPS AND/OR SUBRATE DIGITAL SERVICES.For work to be perfo

APPENDIX B: TELCO Affidavit25I attest that the operator(s)/maintainer(s) of the digital CPE responsible for the establishment,maintenance and adjustm

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T1 CSU/DSU2TABLE OF CONTENTS1.0 Specifications ...

T1 CSU/DSU3FIGURES AND TABLESLIST OF FIGURESFigure 2-1. Remote CSU/Aggregate Loopback ...

T1 CSU/DSU41.0 SPECIFICATIONSConfiguration- DIP-switch selectable, readily accessible from the rear panel Aggregate- Recommended Cable Requirement: T

CHAPTER 1: Specifications5DTE ChannelsMT100A–35-R2: CCITT V.35 interface; 34-pin M block (female) connectorMT100A–449-R2: EIA RS-449 interface; DB3

T1 CSU/DSU6Front Panel DTE Channel Indicators- Transmit Data (TD)- Receive Data (RD)- Request To Send (RTS)- Receive Line Signal Detect (RLSD)Standalo

CHAPTER 2: Introduction72.0 INTRODUCTION2.1 General InformationThe T1 CSU/DSU product line is a high speed T1 format processor with one of three int

T1 CSU/DSU82.4 Loopback SwitchesThere are two Loopbacks switches on the front panel of the of the T1 CSU/DSU. Both switches allow theuser to test indi