31
6
F
3
B
0
3
5
6
4. Cable connections
OTR OTR
1 2
OTR OTR
1 2
OTR OTR
1 2
S20LP station
S20LP station
S20LP station
Optical fiber cable
Optical fiber cable
Max. 30 km (total)
Max. 1 km (between station)
(Note 1) Optical fiber connect OTR1/OTR2 to another station's OTR2/OTR1.
(Note 2) Using the long distance of optical fiber (SBR22) is Max. 4 km between station.
Item
Type
Optical fiber cable
H-PCF (Hard-Plastic clad fiber)
200/230
µ
m
Optical connector
F07 connector (JIS C5976)
Optical fiber characteristic
Material
Silica glass, Step index
Core diameter
200
±
5
µ
m
Cladding diameter
230 + 0, -10
µ
m
Numerical Aperture
0.4
Attenuation
7.0 dB/km or less
Bandwidth
9 MHz•km or more
Wavelength
0.81
µ
m
(Note 1) Securely connect the optical connectors. Otherwise, connection loss will increase.
(Note 2) Do not bend the optical fiber cable/cord more than the allowable limit.
(Note 3) Clamp the optical fiber cable/cord to prevent the optical connector weighted.