Siemens 7XV5662-0AB00 Manual page 47

7XV5662-0AB00
Transmit
Control
Receive
Indication
Signal element
timing
Byte timing *)
Signal Ground
Shield
*)
is not supported and does not have to be attached
Figure 25 Pin assignment of the 15-pole data cable
Optical Fibres
The fibre-optic links (Fig.7) are provided with cover caps to prevent the ingress of dirt. They
can be removed by turning them 90° counterclockwise.
Optical fibre
1 channel
Fibre-optic links
Figure 26
FO connector type:
Necessary
fibre type:
Wavelength:
Perm. bending radii:
Note: Class 1 as defined by EN 60825–1 is met in the case of fibre type G62.5/125 µm.
C53000-B1174-C151-1
DCE
15-pole socket
T
C
10
R
11
I
12
S
13
B
14
G
Sd
for the transmission and reception directions
ST connector
Multimode FO cable
G62.5/125 µm (recommended),
λ = approx. 820 nm
for indoor cables
for outdoor cables
15-pole plug
2
T(A)
9 T(B)
3
C(A)
C(B)
4
R(A)
R(B)
5 I(A)
I(B)
6
S(A)
S(B)
7
B(A)
B(B)
8
1
Warning!
Do not look directly into the fibre-
optic elements!
r = 5 cm (2 in)
min
r = 20 cm (8 in)
min
English
DTE
KU-XG
T
C
R
I
S
B
G
Sd
47