| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | DS36276 |  236Kb/12P | FAILSAFE Multipoint Transceiver |
 National Semiconductor ... | DS36276M |  236Kb/12P | FAILSAFE Multipoint Transceiver |
 National Semiconductor ... | DS36276M |  236Kb/ 12P | FAILSAFE Multipoint Transceiver |
 National Semiconductor ... | DS36277 |  269Kb/ 12P | Dominant Mode Multipoint Transceiver |
| DS36277 |  704Kb/ 13P | Dominant Mode Multipoint Transceiver |
 National Semiconductor ... | DS36277TM |  269Kb/ 12P | Dominant Mode Multipoint Transceiver |
| DS36277TM |  704Kb/ 13P | Dominant Mode Multipoint Transceiver |
 National Semiconductor ... | DS36277TN |  269Kb/ 12P | Dominant Mode Multipoint Transceiver |
| DS36277TN |  704Kb/ 13P | Dominant Mode Multipoint Transceiver |
| DS36277 |  704Kb/ 13P | Dominant Mode Multipoint Transceiver |