| Wavelength range (nm)a | 1250 to 1650 |
| Wavelength uncertainty (nm)a | ±0.05b (FTBx-5245) ±0.01b,c,d (FTBx-5245) ±0.025b (FTBx-5255) ±0.010b,c,d (FTBx-5255) |
| Referencea | Internale |
| Resolution bandwidth (RBW) (nm)a,f | 0.065d,g (FTBx-5245) 0.035b,d (FTBx-5255) <0.02 (high resolution mode)b,d,h (FTBx-5255) |
| Wavelength linearity (nm)a | ±0.01d,i |
| Wavelength repeatability 2σ (nm)a | ±0.003j |
| Analysis modea | WDM, EDFA, drift, spectral transmittance, DFB, FP |
| Optical rejection ratio (dB)a,m at 0.2 nm (25 GHz) | 35 (40 typical) (FTBx-5245) 45 (50 typical) (FTBx-5255) 45 (50 typical) (FTBx-5255 HPW option) |
| Optical rejection ratio (dB)a,m at 0.4 nm (50 GHz) | 45 (50 typical) (FTBx-5245) 50 (55 typical) (FTBx-5255) 50 (55 typical) (FTBx-5255 HPW option) |
| Channel spacinga | 25 to 200 GHz, CWDM (FTBx-5245) 12.5 to 200 GHz, CWDM (FTBx-5255) |
| PDL (dB)a,m | ±0.08d (FTBx-5245) ±0.06d (FTBx-5255) ±0.1d (FTBx-5255 HPW option) |
| ORL (dB)a | ≥40 |
| Measurement time (s) (includes scanning, analysis and display)a | <1.0d,n |
| Dynamic range (dBm) (per channel)a,b | –80k to 18 (FTBx-5245) –80k to 18 (FTBx-5255) –75k to 23 (FTBx-5255 HPW option) |
| Maximum total safe power (dBm)a | 23 (FTBx-5245, FTBx-5255) 29 (FTBx-5255 HPW option) |
| Absolute power uncertainty (dB)a | ±0.5l |
| Power repeatability 2σ (dB)a | ±0.02j |
| In-band OSNR dynamic range (dB)a,d | >35o |
| In-band OSNR measurement uncertainty (dB)a,d | ±0.5p |
| In-band OSNR repeatability (dB)a,d | ±0.2q |
| In-band OSNR data signalsa | Up to 100 Gbit/sr |
| a. All specifications are for a temperature of 23 °C ± 2 °C with an FC connector, unless otherwise specified, after warm-up. Measurements taken using FTB-4 Pro. b. From 1520 to 1610 nm. c. After user calibration in the same test session, within 10 nm from user calibration wavelength. d. Typical. e. Integrated and wavelength independent. f. Full-width half-maximum. g. From 1300 to 1590 nm. h. Optimized for higher order modulation format signals. i. From 1530 to 1570 nm. j. At 1550 nm, in drift mode. Single scan every 2 seconds, over 2 minutes. With DFB laser. k. With averaging. l. At 1550 nm, –10 dBm input. m. At 1550 nm, with narrow monochromatic light source. n. 45 nm span, full resolution, 20 peak. On FTB-2 Pro. o. For an optical noise level of > –55 dBm, > –49 dBm for HPW models. p. With PMD ≤15 ps and no crosstalk, uncertainty specification is valid for OSNR≤ 25 dB. With PMD ≤ 15 ps and crosstalk, uncertainty specification is valid for OSNR≤ 20 dB. q. Valid for OSNR≤ 25 dB. r. Except for polarization-multiplexed and fast polarization-scrambled signals. | |
| Size (H x W x D)a | 51 mm x 159 mm x 185 mm (2 in x 6 1/4 in x 7 5/16 in) |
| Weighta | 1.2 kg (2.6 lb) |
| Temperature - Operatinga | 0 °C to 40 °C (32 °F to 104 °F) |
| Temperature - Storagea | –40 °C to 50 °C (–40 °F to 122 °F) |
| Relative humiditya | 0 % to 95 % noncondensing |
| Connectorsa | EI (EXFO UPC universal interface) EA (EXFO APC universal interface) |
| a. All specifications are for a temperature of 23 °C ± 2 °C with an FC connector, unless otherwise specified, after warm-up. Measurements taken using FTB-4 Pro. | |