Special Features:

Four port multiprotocol low speed asynchronous/syncchronous serial hwic; 0.800 in h x 3.100 in w x 5.600 in d; tcp/ip, sdlc, x.25, hdlc, ppp and slip protocols; supports v35, x.21, rs-232 and rs-449 interfaces in dte and dce formats; supports eia-530 and eia-530a in dte format only

Properties:

A self-contained item which permits the transfer of information between various types of computer support equipment and computers which would not otherwise be compatible. Excludes modem, communication; expander card, computer, automatic data processing; circuit card assembly; and cable assembly (as modified).