| Subject | English | Portuguese |
| commun., IT | frame relay assembler/disassembler | assemblador/desassemblador frame relay |
| commun., IT | frame relay assembler/disassembler | assemblador/desassemblador de relé de tramas |
| IT | Packet Assembler-Disassembler | empacotador/desempacotador |
| comp., MS, Braz. | packet assembler/disassembler | montador/desmontador de pacotes (A device that connects a non-X.25 device such as a modem to an X.25 packet switching network) |
| commun., el. | packet assembler/disassembler concentrator | concentrador de terminais assíncronos |
| commun., el. | packet assembler/disassembler concentrator | empacotador/desempacotador |