| 摘要 |
PCT No. PCT/GB90/00546 Sec. 371 Date Sep. 24, 1991 Sec. 102(e) Date Sep. 24, 1991 PCT Filed Apr. 10, 1990 PCT Pub. No. WO90/12334 PCT Pub. Date Oct. 18, 1990.An optical fibre back plane (4) feeds incoming optical fibres (11) to exchange equipment. The optical fibre back plane (4) comprises a support member (5) attachable to the exchange equipment for pivotal movement about an axis (9). An optical interface is provided for connecting the incoming optical fibres to on-board optical fibres. The optical fibre back plane (4) is provided with support means (12) for supporting the incoming optical fibres (11), the support means extending parallel, and closely adjacent, to the axis (9). |
