Cab Bus Available Quantities and Numbers
Power Cab Total Cabs: 4 maximum #2 (the Power Cab), #3, #4, #5
Addt'l Devices: 3. AIU, USB and/or Mini Panel
PH Pro / PH10 (upto 2014) Total Cabs: 63 maximum (#2 - #64) This also includes accessory items such as AIU, RB02, Mini Panels.
Pro Cab type with radio installed #2 - 17
Intermediate cab type with radio installed #19-49.
*NOTE - Additional Cab Bus power should be added every 30 feet depending on the number of cabs installed.
The overall goal is this: A minimum of 8v DC as measured on the UTP Panel and cab bus cables between pins 2 and 5 / Black and Yellow.