User manual
    Using ESP Manager 
Manual Documentation Number: ESP901-902_4105m  Chapter 4  21 
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com 
B&B Electronics Ltd – Westlink Commercial Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com 
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The ESP Manager software allows: 
•  Searching for servers connected to the network 
•  Displaying and changing the configuration of those servers 
•  Installing virtual COM ports on a computer 
•  Displaying and configuring virtual COM ports 
•  Uninstalling virtual COM ports on a computer 
•  Upgrading the 
Serial Server firmware 
•  Monitoring Port Status 
•  Saving and Loading Configuration Files 
Hardware Setup 
Step 1: Connect  the  Serial Server to the LAN or to a computer 
Ethernet port. Set all the DIP switches on the 
Serial Server to 
the OFF position 
Figure 19. Ethernet Connection via a LAN 
Using ESP Manager 
22  Chapter 4  Manual Documentation Number: ESP901-902_4105m 
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com 
B&B Electronics Ltd – Westlink Commercial Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com 
Figure 20.  Direct Ethernet Connection using a Crossover Cable 
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Use an Ethernet Crossover Cable if connecting directly to a computer 
LAN card. 
Step 2:  Apply power. The red Power indicator will light, the Link 
indicator lights when an Ethernet connection is made, and the 
Ready indicator will flash. 
Software Setup 
Step 3. To run the ESP Manager, from the Windows Desktop click: 
Start  → Programs → B&B Electronics → VLINX → ESP 
Servers → VLINX ESP Manager
As soon as the 
ESP Manager opens it will initiate Searching 
Server and after a few seconds the Serial Server List will 
display all (ESP90x) 
Serial Servers on the network. 










