| Wavelength range (nm) | 1250 to 1650 |
| Wavelength uncertainty (pm) | ±10b, ±25d, ±4b, c, ±10c, d |
| Reference | Internal gas cell |
| Resolution bandwidth (FWHM)e (nm) | 0.05c, f |
| Wavelength linearity (nm) | ±0.003c, f |
| Wavelength repeatability (nm) | <0.001c, g |
| Analysis modes | WDM, EDFA, drift, spectral transmittance, FP, DFB |
| Dynamic range (dBm) (per channel)d | –80h to 18 |
| Maximum total safe power (dBm) | 23 |
| Absolute power uncertainty (dB)i | ±0.5 |
| Power repeatability (dB)c, g | ±0.02 |
| Optical rejection ratio at 1550 nm (dB) at 0.2 nm (25 GHz) at 0.4 nm (50 GHz) | 35 (40 typical) 45 (50 typical) |
| Channel spacing | 12.5 to 200 GHz, CWDM |
| PDL at 1550 nm (dB) | ±0.06c, j |
| ORL (dB) | ≥40 |
| Measurement time (s)c, k (includes scanning, analysis and display) | <1 |
| Commissioning assistant | |
| Modulation formats | Any, including all coherent/Pol-Mux formats like DP-QPSK, DP-BPSK, DP-8-QAM, DP-16-QAM, DP-64-QAM |
| Data signals | Up to 400 Gbit/s |
| Measurements timec, l | 1 min and 40 s (100 scans) for trace with all channels on. <5 s for traces with a single channel off. |
| a. All specifications are for a temperature of 23 °C ± 2 °C with an FC/UPC connector unless otherwise specified, after warm-up. b. From 1528 to 1563 nm. c. Typical. d. From 1520 to 1610 nm. e. Full width half maximum. f. From 1525 to 1565 nm. g. At 1550 nm, in drift mode. Single scan every 2 seconds, over 2 minutes. With DFB laser. h. With averaging. In single scan: –75 dBm typical. i. At 1550 nm, –10 dBm input power. j. At 1550 nm, with narrow monochromatic light source. k. 45 nm span, full resolution, 20 peaks, on FTB-4 Pro. l. From 1525 to 1570 nm. On the FTB-4 Pro platform. | |
| Size (H x W x D) | 75 mm x 159 mm x 185 mm (3 in x 6 1/4 in x 7 5/16 in) |
| Weight | 1.4 kg (3.1 lb) |
| Temperature, operating | 0 °C to 40 °C (32 °F to 104 °F) |
| Temperature, storage | –40 °C to 50 °C (–40 °F to 122 °F) |
| Relative humidity | < 95% non-condensing |
| Connectors | EI (EXFO UPC universal interface); EA (EXFO APC universal interface) |
| a. Typical. | |