Originally Posted by rcb4t2
Ditto here - ran the numbers on a variety of units and their 19" counterpart is usually less expensive. Anyway the previous post about one failure losing the whole unit... The only reason all four channels of a 3124 would go down would be from the power supply. If your lunchbox power supply fails you're in the same boat (or possibly a worse boat...).
You have to send the whole unit out for repair, as opposed to sending a single module.