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XRT73L03
Exar XRT73L03 Line Interface Manuals
Manuals and User Guides for Exar XRT73L03 Line Interface. We have
1
Exar XRT73L03 Line Interface manual available for free PDF download: Manual
Exar XRT73L03 Manual (60 pages)
3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
Brand:
Exar
| Category:
Recording Equipment
| Size: 0.74 MB
Table of Contents
General Description
3
Features
3
Applications
3
Ordering Information
3
Table of Contents
4
Typical Applications
4
Transmit Interface Characteristics
4
Receive Interface Characteristics
4
Pin Descriptions (by Function)
6
Transmit Interface
6
Receive Interface
8
Clock Interface
9
Operating Mode Select
9
Control and Alarm Interface
11
Microprocessor Interface
13
Power and Ground Pins
15
N O Connection Pins
16
Electrical Characteristics
17
Absolute Maximum Ratings
23
System Description
25
The Transmit Section - Channels 0, 1 and 2
25
The Receive Section - Channels 0, 1 and 2
25
The Microprocessor Serial Interface
25
Selecting the Data Rate
26
Onfiguring Hannel
26
The Transmit Section
28
Command Register, Cr4-(N)
28
The Transmit Logic Block
28
Accepting Dual-Rail Data from the Terminal Equipment
28
Accepting Single-Rail Data from the Terminal Equipment
29
Command Register Cr1-(N)
29
The Transmit Clock Duty Cycle Adjust Circuitry
30
The Hdb3/B3Zs Encoder Block
30
B3ZS Encoding
30
HDB3 Encoding
31
Disabling the HDB3/B3ZS Encoder
31
Command Register Cr2-(N)
32
The Transmit Pulse Shaping Circuitry
32
Enabling the Transmit Line Build-Out Circuit
33
Command Register, Cr1-(N)
33
Disabling the Transmit Line Build-Out Circuit
33
Command Register, Cr1-(N)
34
Design Guideline for Setting the Transmit Line Build-Out Circuit
34
The Transmit Line Build-Out Circuit and E3 Applications
34
Interfacing the Transmit Sections of the Xrt73L03 to the Line
34
Transformer Vendor Information
35
The Receive Section
35
Interfacing the Receive Sections of the Xrt73L03 to the Line
35
The Receive Equalizer Block
36
Guidelines for Setting the Receive Equalizer
37
Command Register Cr2-(N)
38
Clock Recovery Pll
38
The Training Mode
39
The Data/Clock Recovery Mode
39
The Hdb3/B3Zs Decoder
39
B3ZS Decoding (DS3/STS-1 Applications)
39
HDB3 Decoding (E3 Applications)
39
Configuring the HDB3/B3ZS Decoder
40
Command Register Cr2
41
Los Declaration /Clearance
41
The LOS Declaration/Clearance Criteria for E3 Applications
41
The LOS Declaration/Clearance Criteria for DS3 and STS-1 Applications
42
Command Register Cr0
43
Muting the Recovered Data While the LOS Is Being Declared
44
Command Register Cr3-(N)
44
Routing the Recovered Timing and Data Information to the Receiving Terminal Equipment
44
Routing Dual-Rail Format Data to the Receiving Terminal Equipment
44
Command Register Cr3-(N)
46
Routing Single-Rail Format (Binary Data Stream) Data to the Receive Terminal Equipment
46
Shutting off the Receive Section
47
Command Register Cr3-(N)
47
Diagnostic Features of the XRT73L03
48
The Analog Local Loop -Back Mode
48
He Igital Ocal Oop Ack Ode
49
Command Register Cr4-(N)
49
The Remote Loop -Back Mode
50
COMMAND REGISTER CR4-(N)
50
T Xoff Features
51
COMMAND REGISTER CR1-(N)
51
The Transmit Drive Monitor Features
51
The Taos (Transmit All One S) Feature
52
The Microprocessor Serial Interface
52
Escription of the Ommand Egisters
52
Command Register Cr1-(N)
52
Description of Bit -Fields for each Command Register
54
Command Register - CR0-(N)
54
Ommand Egister Cr )
54
Command Register Cr1-(N)
54
Command Register CR2-(N)
55
Command Register Cr3-(N)
55
Command Register CR4-(N)
56
Operating the Microprocessor Serial Interface
57
Ordering Information
59
Package Dimensions
59
Revision History
60
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