
Table of Contents
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1. Introduction.......................................................................................................................................................1
About VESR321 Family Serial Servers..................................................................................................................................1
VESR321 Family Serial Server Model Numbering.................................................................................................................1
VESR321 Family Serial Server Features...............................................................................................................................2
Vlinx Manager Configuration Software ..................................................................................................................................2
2. Hardware ...........................................................................................................................................................3
Package Checklist.................................................................................................................................................................3
VESR321 Enclosures and Mounting......................................................................................................................................3
LED Indicators.......................................................................................................................................................................3
Mode Switch .........................................................................................................................................................................3
Ethernet Connector...............................................................................................................................................................4
Fiber Optic Connectors .........................................................................................................................................................4
Serial Port Connectors..........................................................................................................................................................4
Power Connector ..................................................................................................................................................................6
Mounting Hardware...............................................................................................................................................................6
3. Setup and Connections....................................................................................................................................7
Connecting the Power Supply ...............................................................................................................................................7
Connecting VESR321 Family Serial Servers to Serial Devices.............................................................................................. 7
Connecting the VESR321 ..........................................................................................................................................8
Connecting VESR321 Serial Servers to a Network................................................................................................................8
Network Connection (10BaseT/100BaseTX) ..........................................................................................................8
Fiber Optic Connection...............................................................................................................................................8
VESR321 Family Serial Server Configuration Connections................................................................................................... 9
Configuring the VESR321 Family Serial Server via the Network Connection.................................................... 9
Configuring the VESR321 Family Serial Server via the Serial Port (Console Mode)......................................11
VESR321 Family Serial Servers Operational Connections.................................................................................................. 11
Using VESR321 Serial Servers in Direct IP Mode ...............................................................................................12
Using VESR321 Family Serial Servers in Virtual COM Port Mode.................................................................... 12
Using VESR321 Family Serial Servers in Paired Mode ......................................................................................12
Initiating a Hardware Reset on the Serial Server................................................................................................................. 13
Reloading Factory Defaults.................................................................................................................................................13
4. Properties........................................................................................................................................................15
Baud Rate........................................................................................................................................................................... 15
Character Count..................................................................................................................................................................15
Configuration Files.............................................................................................................................................................. 15
Data/Parity/Stop..................................................................................................................................................................15
Default Gateway.................................................................................................................................................................. 16
Delimiters............................................................................................................................................................................ 16
Delimiter 1 ..................................................................................................................................................................16
Delimiter 2 ..................................................................................................................................................................16
Delimiter Removal..................................................................................................................................................... 16
How Delimiters Work ................................................................................................................................................ 16
DHCP..................................................................................................................................................................................16
Firmware Version................................................................................................................................................................ 17
Flow Control........................................................................................................................................................................ 17
Forced Transmit..................................................................................................................................................................17
Hardware Version ............................................................................................................................................................... 17
Inter-character Timeout....................................................................................................................................................... 17
IP Address ..........................................................................................................................................................................18
Link Status..........................................................................................................................................................................20
MAC Address......................................................................................................................................................................20
Model.................................................................................................................................................................................. 21
Network Protocols............................................................................................................................................................... 21
Network Watchdog..............................................................................................................................................................21