Cisco 15216 EDFA2 Specifications Page 25
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1-3
Cisco ONS 15216 EDFA2 Operations Guide
78-16033-01
Chapter 1 Applications
Key Features
The ONS 15216 EDFA2 has the following key features:
• Adjustable constant gain of 13 to 22 dB
• Gain flattening < 2 dB (peak to valley)
• Transient suppression
• Low noise figure of < 7 dB at –5 dBm input
• Simple Network Management Protocol (SNMP) MIBs
• Transaction Language 1 (TL1)
1.3.1 Constant Gain
Constant amplification (gain) per wavelength is important for ensuring that variations in power between
channels at the receivers is minimized. As wavelengths are added/dropped from an optical fiber, small
variations in gain between channels in a span can cause large variations in the power difference between
channels at the receivers. The ONS 15216 EDFA2 enables bandwidth-on-demand services by
guaranteeing that every wavelength is amplified by a value that can be set between 13 and 22 dB, no
matter how many wavelengths are being amplified.
Constant gain is achieved using an automatic control circuit that adjusts pump power when changes in
input power are detected. The ONS 15216 EDFA2 operates in Constant Gain Temperature Compensated
mode by default, but since there may be applications where other operating modes may be required, the
ONS 15216 EDFA2 can be set to operate in any one the following pump control modes:
• Constant Gain Temperature Compensated mode
• Constant Output Power mode
• Constant Pump Current mode
• Constant Pump Power mode
1.3.2 Gain Flattening
Figure 1-3 illustrates the effect of the gain flattening filter in the ONS 15216 EDFA2. Fiber (a) in the
figure shows a set of channels with equal powers being input to a cascaded network of amplifiers that
produce vastly different power levels and optical signal-to-noise ratios (OSNR) at the output. In contrast,
fiber (b) shows how the EDFAs effectively reduce this effect by introducing a gain flattening filter within
each amplifier.
Figure 1-3 Gain Flattening Filter
Gain
Flattening
Filter
a
b
61984
- Cisco ONS 15216 EDFA2 1
- Operations Guide 1
- CONTENTS 3
- 6 ASH Commands 6-1 5
- 7 FTP Command Line 7-1 7
- 8 Provisioning Using TL1 8-1 7
- 9 TL1 Commands 9-1 8
- 10 Troubleshooting 1 9
- Contents 10
- 78-16033-01 10
- Obtaining Documentation 19
- Documentation Feedback 20
- Cisco.com 20
- Technical Assistance Center 21
- Book Title 22
- Month Year 22
- Applications 23
- 1.3 Key Features 24
- 1.3.1 Constant Gain 25
- 1.3.2 Gain Flattening 25
- 1.3.3 Transient Suppression 26
- 1.3.4 Low Noise 26
- 1.3.5 SNMP MIBs 26
- 1.3.6 TL1 26
- Technical Specifications 27
- 2.1.1 Maximum Input Power 28
- 2.1.2 Channel Loading 28
- °C end of life 29
- 2.4 External Features 30
- 2.5 Front Panel 31
- Front Panel 32
- Installation 33
- Chapter 3 Installation 34
- 3.4 SC/UPC Optical Ports 35
- SC/UPC Optical Ports 36
- 3.5 Communications 37
- 3.5.2 Alarm LEDs 38
- 3.5.2.3 LOS LED (Yellow) 39
- 3.5.2.4 Ethernet Socket LEDs 39
- 3.5.3.1 Required Equipment 39
- Communications 40
- Remote Site 43
- Local Site 43
- 3.5.4.2 Modem Signals 44
- 3.5.4.3 Modem Power Up 44
- Table 3-6 Modem Settings 45
- GND RXD TXD 46
- 4.2 Set IP Address 51
- 4.4 Set Date and Time 52
- 4.7 Set Gain 53
- 4.8 Set Alarm Thresholds 53
- °C. Valid entries 56
- °C. Valid 57
- °C. Valid entries are 57
- °C. Setting this value to 57
- 4.9 Set Password 58
- 4.10 Add Users 59
- 4.11 Save Changes 59
- 4.12 Log Off 60
- Step 3 Save the changes 61
- 5.1 SNMP Overview 63
- 5.1.2.1 SNMP Agent 64
- 5.1.2.2 SNMP MIB 65
- 5.1.2.3 SNMP Manager 65
- SNMP Overview 66
- • Creating a View, page 5-6 67
- 5.2.1 Creating a View 68
- 5.2.2.1 Set CommunityEntry 69
- 5.3 Setup for CTM Access 72
- 5.4 Tables and Groups 73
- 5.4.1 CfgGroup Table 74
- Tables and Groups 75
- 5.4.2 PumpCfgEntry Table 76
- 5.4.4 OverallControl Table 80
- 5.4.5 PumpStatusEntry Table 80
- 5.4.6 AlarmEntry Table 81
- 5.4.7 OpGroup Table 82
- 5.5 Setting Up Traps 83
- 5.5.1 Display Trap Command 84
- 5.5.2 Set Trap Command 85
- 5.5.3 Set Agent Trap Enable 85
- 5.6 Retrieving Information 86
- 5.6.2 Date and Time 87
- 5.6.3 Power Gain 88
- 5.6.4 Case Temperature 89
- 5.6.4.2.2 CtmpMax 90
- 5.6.4.3.1 CtmpMaxHysteresis 90
- 5.6.5 Power Bus 91
- 5.6.6 Input Power (Signal) 92
- 5.6.7 Output Power 93
- 5.6.7.1.2 OutPowerdBm 94
- 5.6.7.2.1 LpoutSetpoint 94
- 5.6.7.2.2 LpoutDeviation 95
- Retrieving Information 97
- 5.6.9 Alarm Entry 98
- 5.7 Summary of SNMP Alarms 99
- Summary of SNMP Alarms 100
- ASH Commands 101
- Chapter 6 ASH Commands 102
- 6.2 Configuration Commands 106
- 6.3 Administrative Commands 110
- 6.3.1 clear Command 111
- 6.3.2 exit Command 111
- 6.3.3 help Command 111
- 6.3.4 history Command 111
- 6.4 Shell Commands 112
- 6.5.1 ffs file list Command 114
- 6.6 SNMP Commands 115
- Command snmp attribute list 116
- 6.6.5 snmp mib get Command 118
- 6.6.6 snmp mib list Command 118
- 6.6.8 snmp row get Command 120
- 6.6.9 snmp row set Command 120
- Command snmp subtree list 122
- 6.7 User Commands 125
- 6.9 Restore Commands 131
- 6.10 Manufacturer Mode 132
- FTP Command Line 133
- 7.2 FTP Commands 135
- FTP Commands 136
- Provisioning Using TL1 137
- 8.2 Set IP Address 139
- 8.4 Set Date and Time 140
- 8.7 Set Gain 141
- 8.8 Set Alarm Thresholds 141
- CISCO ONS 15216 142
- ALARM OUT 142
- Set Alarm Thresholds 144
- 8.9 Set Password 146
- 8.10 Add Users 147
- 8.11 Log Off 147
- TL1 Commands 149
- 9.4 Notation 150
- Chapter 9 TL1 Commands 151
- 9.7.1 ACT-USER 157
- 9.7.2 ALW-MSG-ALL 157
- 9.7.3 APPLY 159
- 9.7.4 CANC-USER 160
- 9.7.5 COPY-RFILE 160
- 9.7.6 CPY-MEM 162
- 9.7.7 DLT-RFILE 163
- 9.7.8 DLT-USER-SECU 164
- 9.7.9 ED-DAT 164
- 9.7.10 ED-DWDM 165
- 9.7.11 ED-ENV 166
- 9.7.12 ED-NE-GEN 167
- 9.7.13 ED-PID 168
- 9.7.14 ED-USER-SECU 169
- 9.7.15 ENT-USER-SECU 169
- 9.7.16 INH-MSG-ALL 170
- 9.7.17 INIT-SYS 173
- 9.7.18 REPT ALM DWDM 173
- 9.7.19 REPT ALM ENV 175
- 9.7.20 REPT ALM EQPT 176
- 9.7.22 REPT EVT FXFR 180
- 9.7.23 RTRV-ALM-ALL 181
- 9.7.24 RTRV-ALM-DWDM 183
- 9.7.25 RTRV-ALM-ENV 185
- 9.7.26 RTRV-ALM-EQPT 186
- 9.7.27 RTRV-AO 188
- 9.7.28 RTRV-COND-ALL 189
- 9.7.29 RTRV-COND-DWDM 191
- 9.7.30 RTRV-COND-ENV 192
- 9.7.31 RTRV-COND-EQPT 194
- 9.7.32 RTRV-DFLT-SECU 195
- 9.7.33 RTRV-DWDM 196
- 9.7.34 RTRV-ENV 198
- 9.7.35 RTRV-HDR 199
- 9.7.36 RTRV-INV 199
- 9.7.37 RTRV-NE-GEN 200
- 9.7.38 RTRV-RFILE 202
- 9.7.39 RTRV-TH-DWDM 203
- 9.7.40 RTRV-TH-ENV 204
- 9.7.41 RTRV-TH-EQPT 205
- 9.7.42 RTRV-TOD 207
- 9.7.43 RTRV-USER-SECU 208
- 9.7.44 SET-ATTR-SECUDFLT 208
- 9.7.45 SET-TH-DWDM 209
- 9.7.46 SET-TH-ENV 210
- 9.7.47 SET-TH-EQPT 211
- 9.7.48 STA-LOCL-RST 212
- Troubleshooting 213
- 10.1 Alarm Indicators 214
- 10.1.1.2 FAIL LED (Red) 215
- 10.1.1.3 LOS LED (Yellow) 215
- 10.1.2 Optical Alarms 216
- Alarm Indicators 217
- 10.1.3 Equipment Alarms 218
- 10.1.4 Environmental Alarms 219
- 10.2.4 Boot Up Failure 220
- 10.2.8 Lost Password 222
- Regulatory Compliance 225
- Translated Safety Warnings 226
- Warning Definition 228
- DC Power Supply Warning 230
- Installation Warning 231
- Power Cord Warning 231
- No On/Off Switch Warning 232
- SELV Circuit Warning 233
- Laser Radiation Warning 234
- Laser Beam Warning 235
- Power Cabling Warning 235
- Grounded Equipment Warning 236
- Ground Connection Warning 237
- Jewelry Removal Warning 238
- Qualified Personnel Warning 239
- Supply Circuit Warning 239
- Power Supply Wiring Warning 240
- Incorrect Connection Warning 242
- Ground Conductor Warning 243
- More Than One Power Supply 245
- Exposed DC Power Wire Warning 246
- 48 VDC Power System 247
- Chassis Power Connection 248
- Product Disposal Warning 252
- Energy Hazard 253
- Ground Wire Warning 256
- Class B EMC Warning 259
- Safety Requirements Warning 259
- Optical Connector Warning 262
- Eye Damage Warning 263
- Static Electricity Warning 264
- Connector Cleaning Warning 265
- Module Removal Warning 267
- Reinforced Insulation Warning 269
- Power Supply Voltage Warning 270
- Avvertenza 271
- Advarsel 271
- ¡Advertencia! 271
- Varning! 271
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