FUJITSU MHW2120BS - Manual (Page 78)

Interface
5.1.2 Signal interface regulation
5.1.2.1 Out of band signaling
During OOB signaling transmissions, the differential and common mode levels of
the signal lines shall comply with the same electrical specifications as for in-band
data transmission, specified as follows.
COMRESET/COMINIT
106.7 ns 320 ns
COMWAKE
106.7 ns 106.7 ns
5-4 C141-E249