Specifications

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Black Box
TABLE OF CONTENTS
1. Overview ...........................................................................................................5
1.1 Features ................................................................................................5
1.2 Description ............................................................................................5
2. Configuration ....................................................................................................6
2.1 Configuration Switches .........................................................................6
2.2 Configuration Switch Settings ...............................................................7
2.3 Switch Set SW1 ....................................................................................7
SW1 through SW-4: Data Rate Setting ..............................................7
SW1-5 and SW1-6: Clock Source ......................................................8
SW1-7: Anychronous/Synchronous Mode ..........................................8
SW1-8: Carrier Control Method ..........................................................8
2.4 Switch Set SW2 ....................................................................................9
SW2-1 and SW2-2: Word Length .......................................................9
3. Installation .......................................................................................................10
3.1 Connection to the Twisted Pair Interface ............................................10
Twisted Pair Connection Using RJ-11 OR RJ-45 .............................10
Twisted Pair Connection Using Terminal Blocks ..............................11
3.2 Connection to the RS-232 Interface ...................................................15
Connection to a “DTE” Device ..........................................................15
Connection to a “DCE” Device ..........................................................15
4. Operation ........................................................................................................17
4.1 Front Panel Switches ..........................................................................17
4.2 LED Status Monitors ...........................................................................17
4.3 V.54 Test Modes .................................................................................17
Local Analog Loopback (LAL) ...........................................................17
Remote Digital Loopback (RDL) .......................................................18
Using the V.52 BER Test Independently ..........................................18
4.4 Power-Down .......................................................................................19
A. Compliance ....................................................................................................20
A.1 EMC ....................................................................................................20
A.2 Low Voltage Directive (Safety) ............................................................20
A.3 Radio and TV Interference (FCC Part 15) ...........................................20
A.4 CE Declaration of Conformity ..............................................................20
B. Black Box ME670A Specifications .................................................................21
C. Black Box ME670A ........................................................................................22
D. Black Box ME670A Block Diagram ................................................................23