If you only have two computers in your network, you can avoid hubs and switches simply by using a crossover cable like this one. The crossover cable links the network card in one machine directly to the network card in the other machine. However, it cannot be used to link a computer to a hub or switch.
To differentiate the two types of UTP cables, Sandberg crossover cables are blue. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1650-00-078-4728, indicating validated use in U.S. government and defense logistics supply chains.
| fsc_application_data | TELETYPE AND FACSIMILE EQUIPMENT |
| general_characteristics_item_description | UPPER CASE CHARACTER,6; LOWER CASE CHARACTER,Y; CASE HARDENED 0.003 IN. TO 0.005 IN. DEEP R15N-75 MINIMUM; FINISH,E211 PER SPEC MIL-F-14072,PHOSPHATED PER SPEC K-F-1103; CHARACTER HEIGHT,0.020 IN. IN |
| NSN | 1650-00-078-4728 |