![](http://datasheet.mmic.net.cn/260000/PEB80900F_datasheet_15936689/PEB80900F_9.png)
PEB 80900
List of Figures
Page
Data Sheet
2001-04-02
Figure 1
Pin Configuration of the NTC-T AM with NTC-T and IEC-T
Functionality. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Pin Configuration of the NTC-T AM with NTC-T Functionality. . . . . . . 16
ITU Reference Model with NTC-T AM as NT1. . . . . . . . . . . . . . . . . . . 21
NTC-T AM with NTC-T Functionality Selected in NT1 Application . . . 22
Application Example: NT1 with NTC-T AM with NTC-T Functionality
Selected and IDCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
NTC-T AM with NTC-T Functionality Selected Device Architecture . . 23
IOM
-2 Configurations (a). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
IOM
-2 Configurations (b). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
IOM
-2 Clocks and Data Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
IOM
-2 Channel Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
IOM
-2 Frame (DCL = 512 kHz). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
IOM
-2 Frame (ADCL = 1.536 MHz). . . . . . . . . . . . . . . . . . . . . . . . . . 29
Deactivation of the IOM
-2 Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Procedure for Awake Downstream . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Procedure for Awake Upstream. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Example of a State with Outputs and Inputs . . . . . . . . . . . . . . . . . . . . 37
State Diagram of the NT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Test Loop-Backs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
DAC Output for a Single Pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Pulse Mask for a Single Positive Pulse . . . . . . . . . . . . . . . . . . . . . . . . 47
Wiring Configurations in User Premises . . . . . . . . . . . . . . . . . . . . . . . 49
S/T -Interface Line Code (without code violation) . . . . . . . . . . . . . . . . 50
Frame Structure at Reference Points S and T (ITU I.430). . . . . . . . . . 50
State Diagram Notation S-Transceiver . . . . . . . . . . . . . . . . . . . . . . . . 51
State Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Receiver and Transmitter Stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
S-Interface Transmitter External Circuitry . . . . . . . . . . . . . . . . . . . . . . 59
S-Interface Receiver External Circuitry . . . . . . . . . . . . . . . . . . . . . . . . 60
Clock System of the S-Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Activation Initiated by Exchange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Activation Initiated by Terminal (TE) . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Deactivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Activation of Loop 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Crystal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Pin Configuration of the NTC-T AM with IEC-T Functionality . . . . . . . 72
Connecting S-BUS to Public Network . . . . . . . . . . . . . . . . . . . . . . . . . 75
Connecting Private to Public Network . . . . . . . . . . . . . . . . . . . . . . . . . 76
Connecting Terminal Equipment within Private Network
(1st Generation). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
Figure 12
Figure 13
Figure 14
Figure 15
Figure 16
Figure 17
Figure 18
Figure 19
Figure 20
Figure 21
Figure 22
Figure 23
Figure 24
Figure 25
Figure 26
Figure 27
Figure 28
Figure 29
Figure 30
Figure 31
Figure 32
Figure 33
Figure 34
Figure 35
Figure 36
Figure 37
Figure 38
Figure 39