| Dedicated High-Performance Protocol Tester |
| Monitor and emulate communications protocols |
| SDL-oriented Test Manager |
| Multiport Testing | |
| Can be configured with 1 to 4 WAN ports |
| Single and dual T1/E1 ports |
| Single and dual ISDN BRA S/T ports |
| Combinations of all of the above |
| Powerful Multiprocessor Architecture | |
| 1.1GB hard drive and 1 or 2 x 2DD/2HD floppy disk drives |
| 6 to 14MB of RAM memory |
| Simultaneous Access to All Channels | |
| ISDN BRA 2B+D channels |
| T1/E1 4 x DS0 or fractional channels |
| T1/E1 subrates from 8 to 56kbps/channel |
| T1 access to FDL |
| Applications Available on All Channels | |
| BSC 3270 and SDLC/SNA |
| X.25, X.29, and X.75 |
| Q.921, Q.931, Q.933, FRF.4 and ARINC746 |
| SS7 ITU-T, ANSI, Bellcore with Level 2/3, SCCP, TUP, TUP + |
| ISUP, International ISUP, TCAP, and OMAP |
| Frame Relay, SDMDS, and DXI |
| Rate adaption V.110 (80 bit frame) and V.120 |