One terminal Alpha Server 400 4/233 (video, hardcopy, or graphics) is necessary as a console for a system to function. Total terminals should not exceed 9 plus additional number of serial lines selected in Step 8. All keyboard ldts and most terminals are 120 V. Refer to Table 1.4 for non-120 V alternate-language keyboards and terminals. Alpha Server 400 4/233 Hardcopy terminal, 120 V Hardcopy I/O terminals recommended as LA100-BB Hardcopy terminal, 240 V console terminals. Alpha Server 400 4/233 Hardcopy terminal, 120/240 V VT220-D2 B and W video terminal, 120 V One keyboard required for each video VT220-D3 B and W video terminal, 240 V terminal ordered. Alpha Server 400 4/233 US standard keyboard VT22K-BA US WP keyboard See Table 1.1 for non US keyboards. - Alpha Server 400 4/233 B and W graphics terminal, 120 V One keyboard is required for each VT240-A3 B and W graphics terminal, 240 V graphics terminal ordered. VT241-AA Color graphics terminal, 120 V VT24K-AA US standard keyboard See Table 1.4 for non US models and - VT24K-BA US WP keyboard keyboards. LA75-CA 250 ch/s dot-matrix printer, Hardcopy output-only printers are not 120 V suitable as console terminals. LA75P-CA 250-ch/s dot-matrix printer, See Table 1.4 for non-US models. (See 120 V, parallel model LQP03-AA 25 ch/s LQP printer, 120 V page 6.15 for LA75 non-US models). Alpha Server 400 4/233 Bi directional forms tractor - for LQPO3