Connections To Optical Communication Interfaces - Siemens siprotec 7SA522 User Manual

2.1.4

Connections to Optical Communication Interfaces

Optical
Communication
Interfaces
Connections to
Optical
Communication
Interfaces
7SA522 Manual
C53000-G1176-C119-2
The three available versions of optical communication interfaces are shown in Figure
2-14. The ports are supplied with caps to protect the optical components against dust
or other contaminants. The caps can be removed by turning them 90° to the left.
2 channel
Figure 2-14 Optical communication interfaces with protective caps
Optical connector type:
Fibre type:
Wavelength:
Allowable bending radius:
Laser class 1 (acc. EN 60825–1) is achieved with fibre type G50/125 µm and
G62.5/125 µm.
1 channel
ST–connector
Multimode graded-index ("G") optical fibre
G50/125 µm,
G62.5/125 µm,
G100/140 µm
λ = 820 nm (approximately)
For indoor cable r
min
For outdoor cable r
min
Hardware and Connections
1 channel
= 5 cm (2 in)
= 20 cm (8 in)
2-13