Polycom ViewStation FX

Contents
ViewStation FX/VS4000 User’s Guide xii www.polycom.com
Video and Audio Input and Output Levels
Video Levels........................................................................................ 167
Video Output Levels ............................................................... 167
Video Input Levels.................................................................. 167
Audio Output ....................................................................................... 167
Audio Output Levels ............................................................... 167
Audio Input Levels.................................................................. 168
V.35 Technical Information
Serial Interface Control Signals........................................................... 169
State Machine ..................................................................................... 170
Dial Out State Machine ....................................................................... 170
In-bound Call State Machine ............................................................... 171
Non-dialed User Initiated Call State Machine...................................... 172
Non-dialed Network Initiated Call State Machine................................ 173
Crypto Resync..................................................................................... 175
V.35 Cables......................................................................................... 175
HD-44M to RS-366/V.35 “Y” Cable Diagram.......................... 176
Pinout to the HD-44M to RS-366/V.35 “Y” Cable Diagram .... 177
HD-44M to RS-449/S-422 “Y” Cable Diagram ....................... 178
Pinout to the HD-44M to RS-449/S-422 “Y” Cable Diagram .. 179
Ascend HD-44M to HD-44M Cable Diagram.......................... 180
Pinout for the Ascend HD-44M to HD-44M Cable Diagram ... 181
PRI Technical Notes
Overview .......................................................................................................... 183
P-LINK cable ....................................................................................... 183
NETWORK Side of the PRI Network Interface Module....................... 183
P-LINK side of the PRI network interface module. .............................. 184
PRI Network Interface Modules........................................................... 184
Network Cable and Network Connection ......................................................... 185
Channel Service Unit........................................................................................ 186
External Power Supply..................................................................................... 187
Network Side LEDs .......................................................................................... 187
Peripheral Link (P-LINK) Side LEDs ................................................................ 189
PBXs ................................................................................................................ 190
Switch Protocols............................................................................................... 190
Line Signaling................................................................................................... 191
Restrictions....................................................................................................... 191
Glossary of Terms............................................................................................ 193
The following defines terms related to PRI T1 and E1........................ 193