A-66
Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Appendix A Hardware Specifications
A.9.8 MXP_MR_10DME_C Card Specifications
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ISC peer 2G
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ONE_GE—One Gigabit Ethernet 1.125 Gbps
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Mixed configurations up to maximum line rate of 10.0 Gbps. See the
“8.10 MXP_MR_10DME_C and MXP_MR_10DME_L Cards” section on page 8-51 for more
information on mixed-mode operation.
• Client ports: 8x SFP
• Line (trunk side)
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Bit rate: 9.952 Gbps for OC-192/STM-64
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Code: Scrambled NRZ
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Fiber: 1550-nm single-mode
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Loopback modes: Terminal and facility
Caution You must use a 20-dB fiber attenuator (15 to 25 dB) when working with the
MXP_MR_10DME_C card in a loopback on the trunk port. Do not use direct fiber loopbacks
with the MXP_MR_10DME_C cards. Using direct fiber loopbacks causes irreparable damage
to the MXP_MR_10DME_C cards.
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Connectors: LC
• Transmitter (trunk side)
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Minimum output power: +3 dBm
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Maximum output power: +6 dBm
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Minimum Single-Mode Suppression Ratio (SMSR): 30 dB
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Minimum optical extinction ratio: 10 dB
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41 wavelength tunability at 100-GHz spacing
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Receiver maximum return reflectance (Rx return loss): –27 dB
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Chromatic dispersion allowance: 5400 ps/nm, giving an optical power penalty < 2.0 dB
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Minimum side mode suppression ratio: 30 dB
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Wavelength stability (drift): +/– 25 picometers (pm)
Note An optical device on the card keeps the laser wavelength locked as closely as possible to the ITU nominal
value. The allowed drift is +/– 25 pm.
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For available wavelengths for the MXP_MR_10DME_C card, see Table 8-29 on page 8-56.
• For the receiver trunk side, see Table A-39:
Table A-39 MXP_MR_10DME_C Card Receiver Trunk Side Specifications
FEC
Applications OSNR
1
Pre-FEC BER Post-FEC BER
Input Power
Sensitivity
Chromatic Dispersion
Tolerance
Power
Penalty
OSNR
Penalty
None 23 dB < 10 exp – 12 — –8 to –20 dBm +/– 1200 ps/nm 2 dBm —
19 dB < 10 exp – 12 — –9 to –22 dBm +/– 1000 ps/nm 2 dBm —
FEC 10 dB < 10 exp – 5 < 10 exp – 15 –8 to –18 dBm +/– 800 ps/nm — 1.5 dB
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