Contents

Introduction ............................................1

About this Guide .............................................1
About the VNC 325 Codec ..............................1
Features ...........................................................3

Installation and Setup ............................ 5

Installation and Setup Overview .......................5
Rear Panel Features ..........................................6
Mounting the Units..........................................7
Planning the System Architecture .....................7
Data Transport Methods ...............................8
Data and Control Routing ..........................10
Configuring Network Settings ........................16
Serial Port Wiring ....................................... 16
Low-level Network Configuration ...............17
Configuration Selections ............................19
Making Remaining Connections.....................21
RS-232 Over LAN Port ................................21
LAN Ports ...................................................21
Video Input, Output,
and Loop Connections ..............................23
Configure Encoders and Decoders .................25
Startup and Login ......................................25
Configure the Units as
Encoders or Decoders ...............................27

Operation ...............................................31

Indications and Controls ................................31
Network Interface ..........................................32
Device List Page .........................................33
Device Page ...............................................34
Configuration Page — Video Encoder ........37
Configuration Page — Audio Encoder ........38
Configuration Page —
Colfec and Rowfec Encoders .....................41
Bandwidth Management Page
and Typical Bit Rates ..................................42
Decoder Display and Configuration Page .......47
Decoder Video Configuration Panel ........... 47
Decoder Streams Configuration Panel ........48
Decoder Bit Rate and Stream Page .............49
Peripherals Page and Serial Port Control .........51
Configuring a Serial Pass-through Group ....52
Firmware Upgrade Page .............................53
License Page ..............................................56
Accounts Page (Passwords and Clock
Management) ...........................................57

Alarms and SNMP ..................................59

Alarms ...........................................................59
Alarms Page ...............................................59
Alarm Logs page ........................................63
Simple Network Management Protocol ..........64
SNMP Password Value ................................64
SNMP Community Value ............................65
SNMP Trap Destination Values ....................65

Reference Information ..........................66

Specifications .................................................66
Part Numbers and Accessories ........................69
Codec Part Number and Included Parts ......69
Mounting and Power Options ....................69
Optional SFP Module .................................69
Cables .......................................................69
Mounting the Codec......................................70
Tabletop Use ..............................................70
Mounting kits ............................................70
UL Rack-Mounting Guidelines ....................70
Test Pattern ....................................................71
VN-Matrix 325 Serial Digital Over IP CODEC • Contents v