DS2149 MAXIM [Maxim Integrated Products], DS2149 Datasheet - Page 2

• Manufacturer Part Number: DS2149
• Description: 5V T1/J1 Line Interface Unit
• Manufacturer: MAXIM [Maxim Integrated Products]

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5.1
5.2
5.3
5.4
6.1
6.2
6.3
6.4
9.1
10.1
10.2
10.3
10.4
10.5
10.1.1 Local Loopback (LLB).................................................................................................................20
10.1.2 Analog Loopback (ALB)..............................................................................................................20
10.1.3 Remote Loopback (RLB) ............................................................................................................20
10.1.4 Network Loopback......................................................................................................................20
10.1.5 Dual Loopback ...........................................................................................................................20
10.2.1 Transmit Alarm-Indication Signal (TAIS).....................................................................................21
10.2.2 Quasirandom Signal Source (QRSS) .........................................................................................21
10.2.3 In-Band Network Loop-Up or Loop-Down Code Generator.........................................................22
10.3.1 Bipolar Violation Insertion (INSBPV)...........................................................................................22
10.3.2 Logic Error Insertion (INSLE)......................................................................................................22
10.3.3 Logic Error Detection (QPD).......................................................................................................22
10.3.4 Bipolar Violation Detection (BPV) ...............................................................................................22
10.4.1 Receive-Carrier Loss (RCL) .......................................................................................................23
10.4.2 Alarm-Indication-Signal Detection (AIS)......................................................................................23
10.4.3 Driver-Fail Monitor-Open (DFMO) ..............................................................................................23
10.4.4 Jitter Attenuator Limit Trip (JALT) ...............................................................................................23
10.5.1 Receive Line-Attenuation Indication ...........................................................................................23
DETAILED DESCRIPTION ................................................................................................. 4
OPERATING MODES......................................................................................................... 5
INITIALIZATION AND RESET............................................................................................ 9
REGISTER DEFINITIONS .................................................................................................. 9
TRANSMITTER................................................................................................................... 15
RECEIVER.......................................................................................................................... 15
JITTER ATTENUATION ..................................................................................................... 16
HARDWARE MODE ........................................................................................................... 16
SOFTWARE MODE ............................................................................................................ 17
DIAGNOSTIC MODE OPERATION.................................................................................... 19
NETWORK INTERFACE .................................................................................................... 24
DC CHARACTERISTICS .................................................................................................... 28
PACKAGE INFORMATION ................................................................................................ 32
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LARM
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ECOVERY
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M
HAPE
ATA
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R
ATA
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ODE
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ENERATION AND
EPORTS
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D
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I
NTERFACE
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ETECTION
NTERFACE
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TABLE OF CONTENTS
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ETECTION
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