Automatic Laser Shutdown - Cisco ONS 15454 DWDM Reference Manual

Chapter 8 Transponder and Muxponder Cards
Table 8-19
Channel
Number
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

8.8.12 Automatic Laser Shutdown

The ALS procedure is supported on both client and trunk interfaces. On the client interface, ALS is
compliant with ITU-T G.664 (6/99). On the data application and trunk interface, the switch on and off
pulse duration is greater than 60 seconds. The on and off pulse duration is user-configurable. For details
regarding ALS provisioning for the MXP_2.5G_10E_C and MXP_2.5G_10E_L cards, see the
Cisco ONS 15454 DWDM Procedure Guide.
8.8.13 Jitter
For SONET and SDH signals, the MXP_2.5G_10E_C and MXP_2.5G_10E_L cards comply with
Telcordia GR-253-CORE, ITU-T G.825, and ITU-T G.873 for jitter generation, jitter tolerance, and
jitter transfer. See the
8.8.14 Lamp Test
The MXP_2.5G_10E_C and MXP_2.5G_10E_L cards support a lamp test function that is activated from
the ONS 15454 front panel or through CTC to ensure that all LEDs are functional.
78-18343-02
MXP_2.5G_10E_L Trunk Wavelengths (continued)
Frequency Wavelength
(THz) (nm)
189.7 1580.35
189.65 1580.77
189.6 1581.18
189.55 1581.60
189.5 1582.02
189.45 1582.44
189.4 1582.85
189.35 1583.27
189.3 1583.69
189.25 1584.11
189.2 1584.53
189.15 1584.95
189.1 1585.36
189.05 1585.78
189 1586.20
188.95 1586.62
188.9 1587.04
"8.15 Jitter Considerations" section on page 8-78
Channel Frequency
Number (THz)
64 187.7
65 187.65
66 187.6
67 187.55
68 187.5
69 187.45
70 187.4
71 187.35
72 187.3
73 187.25
74 187.2
75 187.15
76 187.1
77 187.05
78 187
79 186.95
80 186.9
Cisco ONS 15454 DWDM Reference Manual, R8.5
8.8.12 Automatic Laser Shutdown
Wavelength
(nm)
1597.19
1597.62
1598.04
1598.47
1598.89
1599.32
1599.75
1600.17
1600.60
1601.03
1601.46
1601.88
1602.31
1602.74
1603.17
1603.60
1604.03
for more information.
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