Hitachi GR4000 Series Installation Manual page 110

GR4000 Installation Guide Version 1.00 - Preliminary
Also, Table 3.2-14 below shows the condition required for the transmission between "a"
and "b" indicated in Figure 3.2-9.
Confirm the specification required for a line you use before constructing a network.
Table 3.2-14 Specification required for cable connection
Item
Transmission loss 11dB or less
Dispersed yield 546ps/nm or less
strength
NOTE: For the transmission between "a" and "b" in Figure 3.2-9, HITACHI recommends a
*
IEC60793-2 TypeB1.1，IEC60793-2 TypeB1.3，ITU-T G.652.B，or ITU-T G.652.C
(9) 10GBASE-LR/10GBASE-LW Single-mode Optical Fiber Cord
(Core diameter: 10µm, SC twin-core connector)
This is used for the connection with 10GBASE-LR and 10GBASE-LW.
The boundary with 10GBASE-LR and 10GBASE-LW is the connector on GR4000.
The maximum transmission distance between the devices with 10GBASE-LR and
10GBASE-LW when using an optic fiber which core/clad diameter is 10／125μm （wave
length: 1300nm）is 10Km.
Figure 3.2-10 shows the rough sketch of the cable, and Table 3.2-15 shows the
specification of optic fiber interfaces.
SC twin-core connector
Figure 3.2-10 Rough Sketch of 10GBASE-LR/10GBASE-LW Single-mode Optical Fiber
Table 3.2-15 Specification of 10GBASE-LR/10GBASE-LW
Item
Emission peak wavelength
Optical output level (average)
Optical input level (average)
Transmission loss
NOTE: The values shown in Table 3.2-15 are complying with IEEE802.3ae.
*
92
Transmission distance
30km
11dB or less
728ps/nm or less
single-mode optical fiber cable complying with the following standard:
Cord (core diameter: 10µm)
Remarks
40km
Cable loss, connector loss and interface loss
are included.
SC twin-core connector
Specification
1.26～1.355µm
＋0.5～-8.2dBm
＋0.5～-14.4dBm
6.2dB
520-10-014-20X