
 41
INDEX 
PowerLink........................see cable 
protocols..................... see interface 
R 
regulatory compliance........... 36–38 
repair...........................................35 
RMA............................................ 35 
RS232........................ see interface 
RS485........................ see interface 
S 
safety...........................................36 
SELV.............................see caution 
serial number.................................6 
specifications.........................30, 31 
stand................................. 2, 13–17 
switch bank..................................12 
T 
termination............................ 32–34 
tones........................................... 19 
troubleshooting..................... 27–29 
U 
UL................................. see caution 
USB............................ see interface 
V 
ventilation....................................31 
voltage................ 2, 31, see caution 
W 
warranty...................................... 35 
white LED....................see indicator 
window.................................... 4, 17 
Y 
yellow LED................ see indicators