--- Lanex PDH ----------
  TM-60 - E3 ->16x E1 opt.
  TM-61 - E3 Modem opt.
  TM-72 - Rack Kupfer
  TM-73 - E1 > V.35
  TM-74 - SHDSL > V.35
  TM-75 - SHDSL > E1

CWDM/DWDM
Metro-networks
(Transponder, ...)
 
VDSL
(several components)