10
Datasheet
Document Number: 249252
Revision Number: 006
Revision Date: 19-Jan-2006
Contents
24
New Chapter 5.0, “Signal Descriptions”. Old Table 1, “Intel
LXT385 Transceiver Pin
Description”, that was previously in old Chapter 2 moved to new Chapter 5.0, “Signal
Descriptions” and divided into multiple tables.
24
New Section 5.1, “Signal Groupings”
.
25
New Section 5.2, “Microprocessor-Standard Bus and Interface Signals”, added from old Chapter
2. Table text changed.
26
OK Section 3.1, “Initialization”. Text changed.
26
Section 3.1, “Receiver”. Text changed.
27
Section 3.2.1, “Loss of Signal Detector”. Text changed.
27
Section 3.2.1.1, “G.755 and ETSI 300 233 - Loss of Signal Detection”. Text changed.
28
New Section 5.3, “Framer/Mapper Signals”, added from old Chapter 2. Table text changed.
29
Section 3.3, “Transmitter”. Text changed.
30
Section 3.4, “Transmitter Output Driver Power and Grounds”. Text changed.
30
Section 3.5, “Line-Interface Protection”. Text changed. Figure 6, “External Transmit/Receive
Line Interface Circuitry”, changed. Added new text and new table, Table 3, “Component Values
to Use with Transformer Circuit”.
33
Section 3.7, “Jitter Attenuation”. Figure 7, “Jitter Attenuator Loop”, changed.
34
Section 3.8.1, “Analog Loopback”. Figure 8, “Analog Loopback”, changed.
34
Section 3.8.2, “Digital Loopback”. Figure 9, “Digital Loopback”, changed.
35
Section 3.8.3, “Remote Loopback”. Figure 10, “Remote Loopback”, changed.
35
New Section 5.4, “Line Interface Unit Signals”, added from old Chapter 2. Table text changed.
37
Section 3.10, “Intel
Hitless Protection Switching”. Text changed.
38
New Section 5.5, “Clocks and Clock-Related Signals”, added from old Chapter 2. Table text
changed.
40
New Section 5.6, “Configuration and Mode-Select Signals”, added from old Chapter 2. Table text
changed.
42
New Section 5.7, “Signal Loss and Line-Code-Violation Signals”, added from old Chapter 2.
Table text changed.
44
New Section 5.8, “Power and Grounds”, added from old Chapter 2. Table text changed.
45
New Section 5.9, “Test Signals”, added from old Chapter 2. Table text changed.
47
Old Chapter 3.0, “Functional Description”, re-numbered to new Chapter 6.0, “Functional
Description”.
48
Information at beginning of old Chapter 3.0, “Functional Description”, re-numbered to new
Section 6.1, “Functional Overview”.
48
Old Section 3.1, “Initialization”, and old Section 3.1.1, “Reset Operation”, combined and moved
to new Section 6.2, “Initialization and Reset”, and text changed.
49
Information from old Section 3.2, “Receiver”, moved to new Section 6.3.1, “Receiver Clocking”,
and text changed.
49
Old Section 3.2, “Receiver”, re-numbered to Section 6.3, “Receiver”, and text moved to new
sections.
49
Information from old Section 3.2, “Receiver”, re-numbered to new Section 6.3.2, “Receiver
Inputs”, and text changed.
49
Chapter 6.0, “Test Specifications”. Table 27, “Recommended Operating Conditions”. Table text
changed.
49
Chapter 6.0, “Test Specifications”. Table 28, “Power Consumption”. Table text changed.
50
Chapter 6.0, “Test Specifications”. Table 29, “DC Characteristics”. Table text changed.
Intel
LXT385 Transceiver - Revision 003 - (Sheet 2 of 5)
Revision Date: August 22, 2003