| Product type designation | MM492-2LD |
| SCALANCE X-400 Accessories Media module MM492-2LD, 2x 1Gbit/s Single-Mode SC, Hot swapable, Labeling field |
| Interfaces |
| Number of electrical/optical connections / for network components or terminal equipment / maximum | 2 |
| Number of optical interfaces / for network components or terminal equipment / maximum | 2 |
| Number of 1000 Mbit/s SC ports (LX) | 2 |
| Design of the optical interface / for network components or terminal equipment | SC |
| Connectable optical power relative to 1 mW | |
| of the transmitter output / minimum | -9.5 dB |
| of the transmitter output / maximum | -3 dB |
| of the receiver input / maximum | -3 dB |
| Optical sensitivity relating to 1 mW / of the receiver input / minimum | -21 dB |
| Damping ratio / of the FOC transmission link / minimum necessary | 0 dB |
| Range / at the optical interface / depending on the optical fiber used | 0 ... 10 km |
| Permitted ambient conditions |
| Ambient temperature | |
| during operation | -40 ... +70 °C |
| during storage | -40 ... +80 °C |
| during transport | -40 ... +80 °C |
| Relative humidity / at 25 °C / without condensation / during operation / maximum | 95 % |
| Protection class IP | IP20 |
| Design, dimensions and weight |
| Design | Media module |
| Width | 35 mm |
| Height | 145 mm |
| Depth | 90 mm |
| Net weight | 0.25 kg |
| Mounting type | latched |
| Installation in media module slot | Yes |
| Standards, specifications, approvals |
| Standard | |
| for FM | FM3611: Class 1, Divison 2, Group A, B, C, D / T4, Class 1, Zone 2, Group IIC, T4 |
| for hazardous zone | EN 60079-0: 2006, EN60079-15: 2005, II 3 G Ex nA II T4, KEMA 07 ATEX 0145 X |
| for safety / from CSA and UL | UL 60950-1, CSA C22.2 No. 60950-1-03 |
| for hazardous zone / from CSA and UL | UL 1604 and UL 2279-15 (Hazardous Location), Class 1 / Division 2 / Group A, B, C, D / T4, Class 1 / Zone 2 / Group IIC / T4 |
| for emitted interference | EN 61000-6-4:2001 (Class A) |
| for interference immunity | EN 61000-6-2:2001 |
| Certificate of suitability | EN 61000-6-2:2001, EN 61000-6-4:2001 |
| CE marking | Yes |
| C-Tick | Yes |
| KC approval | Yes |
| Marine classification association | |
| American Bureau of Shipping Europe Ltd. (ABS) | Yes |
| Bureau Veritas (BV) | Yes |
| Det Norske Veritas (DNV) | Yes |
| Germanische Lloyd (GL) | Yes |
| Lloyds Register of Shipping (LRS) | Yes |
| Nippon Kaiji Kyokai (NK) | Yes |
| Polski Rejestr Statkow (PRS) | Yes |
| MTBF | 400 y |
