Microtek Converter - Manual (Page 12)

8
OPTIONAL AC adapter
AC adapter Jack
Fig. 5
The FR1SX works as a Firewire repeater as Fig.5 shows. It extends the
distance between one Firewire device and another Firewire device up to 9m
(30 feet). In this case, an optional AC adapter is required to supply power.
Regarding optional items, refer to Chapter 8.
2-2. Repeater function