(19)
(11) EP 1 198 912 A1

(12)

(43) Date of publication:
24.04.2002 Bulletin 2002/17

(21) Application number: 00954439.6

(22) Date of filing: 05.07.2000
(51) International Patent Classification (IPC)7H04J 14/02, H04B 10/213
(86) International application number:
PCT/EP0006/403
(87) International publication number:
WO 0105/083 (18.01.2001 Gazette 2001/03)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 12.07.1999 NL 1012568

(71) Applicant: Koninklijke KPN N.V.
9726 AE Groningen (NL)

(72) Inventors:
  • PETERS, Michiel, Gerard
    NL-3572 NH Utrecht (NL)
  • VAN DER TOL, Johannes, Jacobus, Gerardus, Maria
    NL-5709 LL Helmond (NL)

(74) Representative: Wuyts, Koenraad Maria et al
Koninklijke KPN N.V.,Intellectual Property Group,P.O. BOX 95321
2509 CH The Hague
2509 CH The Hague (NL)

   


(54) OPTICAL TRANSMISSION NETWORK HAVING A PROTECTION CONFIGURATION