Appendix C
V.35 Technical Information
ViewStation User Guide
194
www.polycom.com
State Machine
The V.35 State Machine describes how the V.35 interface signals
handshake with the network interface equipment during call
establishment.
Dial Out State Machine
State
ViewStation Signals
Network Equipment Signals
1
Initial State:
DTR = 0 <note 3>
RTS = 0 <note 2>
CRQ = 0
USER INITIATES CALL
Initial State:
RI = 0
DLO = 0
ACR = 0
DSR = 0
2
DTR = 1<note 3>
3
Wait 10 ms
4
CRQ = 1
5
PND = 1
6
Set Digit (NB1,NB2,NB3,NB4)
7
DPR = 1
8
PND = 0
9
DPR = 0
10
If not the last digit, go to state 4 otherwise
continue
11
Call connects on network
12
DSR = 1 AND/OR DCD = 1
(AND/OR DSR = 1 <note 1>)
13
RTS = 1<note 2>
14
DATA FLOW STARTS
DATA FLOW STARTS
User Hang-up
Far End Hang-up
Содержание VIEWSTATION
Страница 1: ...ViewStation User Guide ViewStation User Guide November 2001 Edition 3725 10755 001 ...
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Страница 12: ...ViewStation User Guide xii www polycom com ...
Страница 16: ...Preface How To Use This Guide ViewStation User Guide xvi www polycom com ...
Страница 148: ...Chapter 3 Using the ViewStation ViewStation User Guide 132 www polycom com ...
Страница 186: ...Chapter 4 Using the ViewStation with a PC ViewStation User Guide 170 www polycom com ...
Страница 192: ...Chapter 5 System Information and Diagnostics ViewStation User Guide 176 www polycom com ...
Страница 218: ...Appendix C V 35 Technical Information ViewStation User Guide 202 www polycom com ...
Страница 226: ...Appendix D ISDN Information ViewStation User Guide 210 www polycom com ...
Страница 230: ...Chapter E Optional Equipment Configuration ViewStation User Guide 214 www polycom com ...