Appendix A
SPECIFICATIONS
Specifications for the ENIU are listed in Table 
Table 
PARAMETER | 
  | 
  | 
  | 
  | 
  | 
  | SPECIFICATION | Remarks  | |||||
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
Power | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | |||||||||||
Voltage  | 
  | ||||||||||||
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |||
Operating Voltage  | +5 VDC  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | Backplane connector  | |||
  | 
  | 
  | 
  | 
  | 
  | 
  | |||||||
Input Current  | 0.25 A maximum  | 
  | 
  | 
  | 
  | Normal operation  | |||||||
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |||
Fuse Size  | 1.0 Amps  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | ||||
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
Environmental | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |||
Operating Conditions  | 
  | °  | 
  | °  | F   | °  | C to +50  | °  | C) 5% to 90% RH  | 
  | |||
  | +23  | F to +122  | 
  | 
  | 
  | 
  | 
  | ||||||
Storage Conditions  | °  | F to +185  | °  | 
  | 
  | °  | °  | C) 10% to 95% RH  | No Condensation  | ||||
  | 
  | 
  | 
  | F   | 
  | 
  | |||||||
Mechanical  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | |||||||||
Dimensions D x W x H  | 1.55 in. ⋅ 4.25 in. ⋅ 9.09 in.  | 
  | 
  | 
  | |||||||||
  | (3.94 cm ⋅ 10.8 cm ⋅ 23.1 cm)  | 
  | 
  | ||||||||||
  | 
  | 
  | 
  | 
  | 
  | 
  | |||||||
Weight  | 1.8 lb. (0.81 kg.)  | 
  | 
  | 
  | 
  | 
  | |||||||
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
Electrical | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |||
Network Interface  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | ||||
  | 
  | 
  | |||||||||||
Network Data Rates  | Configurable to 10Mbps, 100Mbps or 1000Mbps  | 
  | |||||||||||
  | 
  | 
  | |||||||||||
Customer Interface  | 
  | ||||||||||||
  | Transceiver   | 
  | |||||||||||
  | 
  | 
  | |||||||||||
Customer Data Rates  | Configurable to 10Mbps, 100Mbps or 1000Mbps  | 
  | |||||||||||
  | 
  | 
  | |||||||||||
Copper Media  | 10Mbps UTP Category 3, 4, 5 or better  | Two twisted pair  | |||||||||||
Requirements  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |
100Mbps UTP Category 5 or better  | Two twisted pair  | ||||||||||||
  | |||||||||||||
  | 
  | 
  | |||||||||||
  | 1000Mbps UTP Category 5e or better  | Four twisted pair  | |||||||||||
  | 
  | 
  | 
  | 
  | 
  | ||||||||
Distance  | 328 feet (100 meters)  | 
  | 
  | 
  | Copper  | ||||||||
  | 
  | 
  | 
  | 
  | 
  | 
  | |||||||
Optical Media Requirements  | 850 to 1550 nm  | 
  | 
  | 
  | 
  | Single Mode or   | |||||||
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | fiber  | |
  | 
  | 
  | |||||||||||
Distance  | The maximum distance that any optical link can  | Optical  | |||||||||||
  | support is dependent upon attenuation and dispersion  | 
  | |||||||||||
  | at a particular wavelength, maximum bit rate, receiver  | 
  | |||||||||||
  | sensitivity, splice and connector loss, etc. Refer to SFP  | 
  | |||||||||||
  | specifications for operating parameters.  | 
  | |||||||||||
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | |