ATM Cabling
Table
Category | Specifications | Descriptions |
|
|
|
Both Categories | Core | 8 to 10 µm |
| Cladding | 125 µm (±2 µm) |
Category 1 | Output power | 14 dB minimum |
| (from transmitter) | 8 dB maximum |
| Receive power | 32 dB minimum |
|
| 8 dB maximum |
Maximum distance* between ATM devices
Maximum attenuation**
14.4 km
10 dB (1 dB allowed for reflections and dispersion penalties)
Category 2*** Output power | 4 dB minimum |
(from transmitter) | 0 dB maximum |
Receive power | 37 dB minimum |
| 15 dB maximum |
Maximum distance* | 58.6 km |
between nodes |
|
Maximum attenuation** | 32 dB (1 dB allowed for |
| |
| reflections and dispersion |
| penalties) |
|
|
*Maximum distances assume cable with one splice every 2.2 km with 0.3 dB loss each, and with no patch panels or mechanical splices.
**Maximum attenuation includes cable attenuation and the loss induced by other components such as connectors, splices, and the mating of unlike fiber types.
