Cisco ONS 15454 DWDM - Table B-19 TXP_MR_2.5 G;TXPP_MR_2.5 G Receiver Trunk Side Specifications

B-40
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
December 2006
Appendix B Hardware Specifications
B.5.3 TXP_MR_2.5G and TXPP_MR_2.5G Card Specifications
• Transmitter (trunk side)
– Maximum transmitter output power: +1 dBm
– Minimum transmitter output power: –4.5 dBm
– Transmitter: Direct modulated laser
– 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.
• Currently available wavelengths of TXP_MR_2.5G and TXPP_MR_2.5G (eight card versions):
ITU grid blue band: 1530.334 to 1544.526 nm (four card versions covering four wavelengths each)
ITU grid red band: 1546.119 to 1560.606 nm (four card versions covering four wavelengths each)
• Receiver (trunk side)
– Receiver: APD
– Link loss budget: 24 dB minimum, with no dispersion or 22 dB optical path loss at
BER = 1 * 10 exp – 12 including dispersion
– Receiver input wavelength range: 1290 to 1605 nm
• Line (client side)
– Bit rate: 8 Mbps to 2.488 Gbps
– Code: Scrambled NRZ
– Fiber: 1310-nm single-mode
– Maximum chromatic dispersion allowance: 1600 ps/nm
– Loopback modes: Terminal and facility
– Connectors: LC
– Compliance: Telcordia GR-253-CORE, ITU-T G.707, ITU-T G.957
Table B-19 TXP_MR_2.5G/TXPP_MR_2.5G Receiver Trunk Side Specifications
OSNR
1
FEC Type Pre-FEC BER Post-FEC BER
Input Power
Sensitivity
Chromatic Dispersion
Tolerance
22 dB Off - 2R <10 exp – 12 N/A – 9 to – 24 dBm —
22 dB Off - 2R <10 exp – 12 N/A – 9 to – 21 dBm +/– 3300ps/nm
21 dB Off - 3R <10 exp – 12 N/A – 9 to – 30 dBm —
22 dB Off - 3R <10 exp – 12 N/A – 9 to – 30 dBm +/– 1800ps/nm
23 dB Off - 3R <10 exp – 12 N/A – 9 to – 30 dBm +/– 5400ps/nm
12 dB Standard- 3R <10 exp – 5 <10 exp – 15 – 9 to – 25 dBm —
12 dB Standard- 3R <10 exp – 5 <10 exp – 15 – 9 to – 24 dBm +/– 1800ps/nm
12 dB Standard- 3R <10 exp – 5 <10 exp – 15 – 9 to – 23 dBm +/– 5400ps/nm
21 dB Standard- 3R <10 exp – 5 <10 exp – 15 – 9 to – 31 dBm —
1. Optical Signal-to-Noise ratio (OSNR) defined with 0.1 nm Resolution Bandwidth (RBW)