Envision Peripherals NV3128 - Manual (Page 77)

NV3128 RS-422A Machine Control Data Routing Switch 5-3
CHAPTER 5 - MAINTENANCE AND TROUBLESHOOTING
5.1 CUSTOMER SUPPORT
Nvision customer support is available Monday through Friday during
normal business hours, Pacific Standard Time (PST). The customer
support telephone number is (530) 265-1000. For additional information,
see Technical Support at the front of this manual.
5.2 SCHEDULED MAINTENANCE
The NV3128 requires no periodic maintenance. It is recommended to
check the front panel LEDs on each of the cards periodically to ensure that
they are operating properly.
5.3 RELIABILITY
The NV3128 Routing Switch has been designed for reliability.
· Each active module features on-board voltage regulation for efficiency
and board-to-board power isolation. The regulators provide current
limiting and over-voltage protection .
· Power supplies have abundant over-capacity and are optionally
redundant.
· Output Frame and Power Supply are UL listed.