Hitachi GR2000 Series Installation Manual page 203

optical fiber cable with the specifications shown in Figure 3-102. One or more cab
of the same type is recommended to be prepared for spare.
The boundary with ATM (OC3) is used as a connector on this router's side.
A multimode optical fiber is used for connection with the router. Figure 3-102 sho
the schematic diagram. This router's optical interface specifications are shown i
Table 3-108.
For connection to box
2-core SC connector
(router side)
Boundary with network: router's connector
1-core FC/SC/ST connector x 2 (box side)
Graded index single-mode fiber of 9.5/125 µm
core/clad, 1300 nm wavelength, max.
attenuation 1 dB/km (max. 15 km)