J4859D is the HPE Aruba 1G SFP LC LX 10km SMF XCVR.
Quick Spec
Table 1 shows the quick spec.
| Product name (SKU) | DOM – Digital Optical Monitoring (4×4 part #) | Central wl (nm) | Fiber mode | Fiber diameter (µm) | Modal bandwidth (MHz*km) | Transmission distance |
| Aruba 1G SFP LC LX 10km SMF XCVR (J4859D) | Yes
(1990-4116, 1990-4414, & 1990-4608) |
1310 | SMF | 9/125 | N/A | 10 km (6.21 miles) |
| MMF | 50/125 | 500 (OM2) or
400 |
550 m (1804.46 ft) | |||
| MMF | 62.5/125 | 500 (OM2) | 550 m (1804.46 ft) |





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