Dish Network DuoDVR 625 - Manual (Page 137)

Chapter 4
Page 132
Dish Antenna Installation
Two Dish Antennas, Two DISH Pro Dual LNBFs, and Two DISH
Pro 21 Switches
When you set up your system following this diagram and run Check Switch the
Installation Summary screen should look similar to the one shown below.
This diagram leaves out grounding to be clear. Make sure
you ground the system per the National Electrical Code
(NEC) and all local electrical codes.