System information
  Hardware Overview 
6  Manual Documentation Number: PES1A/PESV1A-0712m 
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 Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com 
Indicators, Switches and Connectors 
Link Integrity LED (Yellow) 
When the yellow LED located on the Ethernet jack is illuminated it indicates 
that a connection (link integrity) has been established between the converter 
and a node on the network.  
Network Activity LED 
When  the  green LED  located  on  the  Ethernet  jack is  flashing  it indicates 
data is being sent across the network. 
Figure 4.  LED Indicators on the PES1A 
Reset Switch 
The Reset switch is a recessed switch located on the RJ-45 end of the PES1A 
and on the side of the PESV1A. The Reset switch provides two functions: 
Press and release within 10 seconds 
Resets the PES1A/PESV1A 
Press and hold for more than 10 seconds 
while powering up 
Reloads factory default values 
Voltage Output Selector Switch (PESV1A only) 
A three-position slide switch located on the side of the PESV1A allows you 
to select the voltage output  (available  on  the two  position  terminal  block). 
The three voltages available are: 
  5 VDC 
  9 VDC 
  12 VDC 










