OptiX RTN 600
Product Description
Commercial in Confidence
Page 38 of 44
Table 7-8
Link reliability (per hop)
Performance
Item
OptiX RTN 610
OptiX RTN 620
MTBF (h)
5.52 x 10
4
27.00 x 10
4
MTTR (h)
1
1
Availability
99.99819%
99.99963
%
7.3 Interface Performance
7.3.1 STM-1 Optical Interface
The performances of the STM-1 optical interface are compliant with ITU-T G.957. The
following table provides the primary performances.
Table 7-9
STM-1 optical interface performance
Item
Performance
Nominal bit rate (kbit/s)
155520
Classification code
Ie-1
S-1.1
L-1.1
L-1.2
Fiber type
Multi-mode fiber Rec. G.652
Rec. G.652
Rec. G.652
Transmission distance (km)
0.5
15
40
80/100
Operating wavelength (nm)
1260 to 1360
1261 to 1360
1263 to 1360 1480 to 1580
Mean launched power (dBm)
-19 to -14
-15 to -8
-5 to 0
-5 to 0
Receiver minimum sensitivity
(dBm)
-23
-28
-34
-34
Minimum overload (dBm)
-14
-8
-10
-10
Minimum extinction ratio (dB)
8.2
8.2
10
10
Note:
All optical interface boards use the small form-factor pluggable (SFP) optical modules
to provide optical interfaces. To provide optical interfaces with different classification
codes or transmission distances, use the SFP optical modules of different types.
