DS_1x66B_001
73M1866B/73M1966B Data Sheet
8.5 Transmit and Receive Levels ................................................................................................48
8.5.1 A-Law........................................................................................................................48
8.5.2 μ-Law........................................................................................................................48
8.5.3 Transmit and Receive Level Control ..........................................................................48
8.6 Transmit Path Signal Processing...........................................................................................49
8.6.1 General Description...................................................................................................49
8.6.2 Total Transmit Path Response...................................................................................49
8.6.3 73M1x66B Transmit Spectrum...................................................................................50
8.7 Receive Path Signal Processing............................................................................................50
8.7.1 General Description...................................................................................................50
8.7.2 Total Receive Path Response....................................................................................51
8.7.3 Receiver DC Offset Subtraction.................................................................................51
8.8 PCM Control Functions.........................................................................................................52
8.8.1 Transmit and Receive Level Control ..........................................................................57
8.8.2 Time Slot Assignment Example .................................................................................59
9
Barrier Information......................................................................................................................60
9.1 Isolation Barrier.....................................................................................................................60
9.2 Barrier Powered Options.......................................................................................................60
9.2.1 Barrier Powered Operation ........................................................................................60
9.2.2 Line Powered Operation ............................................................................................60
9.3 Synchronization of the Barrier ...............................................................................................60
9.4 Auto-Poll...............................................................................................................................61
9.5 Barrier Control Functions ......................................................................................................61
9.6 Line-Side Device Operating Modes .......................................................................................63
9.7 Fail-Safe Operation of Line-Side Device................................................................................63
10 Configurable Direct Access Arrangement (DAA).......................................................................64
10.1 Pulse Dialing.........................................................................................................................64
10.2 DC Termination.....................................................................................................................64
10.3 AC Termination.....................................................................................................................66
10.4 Billing Tone Rejection ...........................................................................................................67
10.5 Trans-Hybrid Cancellation.....................................................................................................68
10.6 Direct Access Arrangement Control Functions.......................................................................68
10.7 International Register Settings Table for DC and AC Terminations ........................................72
11 Line Sensing and Status .............................................................................................................73
11.1 Auxiliary A/D Converter.........................................................................................................73
11.2 Ring Detection ......................................................................................................................73
11.3 Line In Use Detection (LIU)...................................................................................................73
11.4 Parallel Pick Up (PPU)..........................................................................................................73
11.5 Polarity Reversal Detection ...................................................................................................73
11.6 Off-hook Detection of Caller ID Type II ..................................................................................73
11.7 Voltage and Current Detection ..............................................................................................74
11.8 Under Voltage Detection (UVD).............................................................................................74
11.9 Over Voltage Detection (OVD) ..............................................................................................74
11.10 AC Signal Overload Detection.............................................................................................74
11.11 Over Current Detection (OID)..............................................................................................74
11.12 Line Sensing Control Functions...........................................................................................75
12 Loopback and Testing Modes.....................................................................................................78
13 Performance ................................................................................................................................80
13.1 Transmit................................................................................................................................80
13.2 Receive.................................................................................................................................82
14 Package Layout ...........................................................................................................................85
15 Ordering Information...................................................................................................................87
16 Contact Information.....................................................................................................................87
Revision History ..................................................................................................................................88
Rev. 1.6
3
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
