| Product type designation |
MM491-2LH+ |
| Product description |
|
|
SCALANCE X-400 ACCESSORIES MEDIA MODULE MM491-2LH+, ACCESSORIES, 2 X 100MBIT/S SINGLEMODE SC, HOT SWAPABLE INSCRIPTION 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 100 Mbit/s SC ports |
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 |
-5 dB |
| ● of the transmitter output / maximum |
0 dB |
| ● of the receiver input / maximum |
-3 dB |
| Optical sensitivity relating to 1 mW / of the receiver input / minimum |
-34 dB |
| Damping ratio / of the FOC transmission link / minimum necessary |
3 dB |
| Range / at the optical interface / depending on the optical fiber used |
12 ... 70 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 |
0.26 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 / at 40 °C |
125 y |
| Further Information / Internet Links |
| Internet-Link |
|
| ● to website: Selector SIMATIC NET SELECTION TOOL |
http://www.siemens.com/snst |
| ● to website: Industrial communication |
http://www.siemens.com/simatic-net |
| ● to website: Information and Download Center |
http://www.siemens.com/automation/net/catalog |
| ● to website: Image database |
http://automation.siemens.com/bilddb |
| ● to website: CAx Download Manager |
http://www.siemens.com/cax |
| ● to website: Industry Online Support |
http://support.automation.siemens.com |
| last modified: |
27.10.2014 |
Date
06.11.2014 |
Changes preserved
© Copyright Siemens AG 2014 |
