Labels:text | screenshot | rectangle OCR: AS/400 CONNECTION WITH TCP/IP Client workstation AS/400 NetWare 5250 Shelf emulation IFX/SPX. TCP/IP ODL interface NIC grivar TCP/IP Figure 3. IBM now includes TCP/IP support with its OS/400 3.1. which allows users to connect to the AS/400 directly. It also eliminates the need for the SNA gateway, which makes it an attractive option.