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Black Box
ME444AE-R3, ME445C-X.21
manual
Copyright 2004. Black Box Corporation. All rights reserved
Models:
ME445C-530
ME444A-530-R3
ME444A-R3
ME444AE-530-R3
ME445C-35
ME445C-X.21
ME444AE-R3
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Troubleshooting
Specs
Install
Line driver block diagram
Signal ITU-TSS Lead
Controls and Indicators
Connecting Data Cables
Configuration
Operating Procedure
Safety
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© Copyright 2004. Black Box Corporation. All rights reserved.
1000 Park Drive • Lawrence, PA
15055-1018
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Contents
Kbps Line Driver
FCC and IC RFI Statements
Safety Warnings
Declaration of Conformity
Kbps Line Driver V.35, RS-530, or
NOM Statement
Trademarks Used in this Manual
Contents
Flow Control None
Specifications
Specifications
Physical Description
Introduction
Functional Description
Line driver block diagram
Modulation Timing
Point-to-point application
Applications
Tail-circuit application
Placement of the Standalone Version
Configuration
Installing the Card Version in the RackNest 2/14
Description of the Racknest 2/14’S Power Supply
User-configurable options
Configuring the Standalone or Card Version
User-configurable options
Layout of the 256-kbps Line Driver circuit board
Kbps Line Driver V.35, RS-530, or
Installing the Standalone Version in 19-Inch Racks
Installation
Installing a single unit in a 19-inch rack
Installing two units in a 19-inch rack
Installing a card in the RackNest 2/14
Installing the 256-kbps Line Driver Rackmount Card Version
RackNest 2/14 illustrated
Function
Installation
Kbps Line Driver V.35, RS-530, or
Signal ITU-TSS Lead
Name Abbrev Circuit Type Rack Norm Nest PIN
Pinout of the V.35 standalone’s M/34 connector
DB25 DA15
Connecting Data Cables
Line Connection
Installation
Operation
Controls and Indicators
Operation
Indicators
Operating Procedure
Bit-Error-Rate Tester Bert
Troubleshooting
Loop Tests
Bert using loops
Local Analog Loopback
Modem Self-Test
Local analog loopback
Remote Digital Loopback
Remote digital loopback
Local Digital Loopback
Local digital loopback
Calling Black Box
Shipping and Packaging
19-AWG 22-AWG 24-AWG 26-AWG Kbps Miles
Appendix Maximum Distances
Copyright 2004. Black Box Corporation. All rights reserved
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