One terminal DECstation/System (video, hardcopy, or graphics) is necessary as a console for a system to function. Total terminals should not exceed one plus additional number of serial lines selected in Step 9. All keyboards and most terminals are 120 V. Refer to Table 1.10 for non-120-V alternate-language keyboards and terminals. DECstation/System Hardcopy terminal, 120 V Hardcopy I/O terminals recommended as LA100-BB Hardcopy terminal, 240 V console terminals. LAl20-DA Hardcopy terminal, 120/240 V VT220-D2 B and W video terminal, 120 V One keyboard is required for each video VT220-D3 B and W video terminal, 240 V terminal ordered. VT22K-AA US standard keyboard VT22K-BA US WP keyboard See Table 1.10 for non-US keyboards. VT240-A2 B and W graphics terminal, 120 V One keyboard is required for each DECstation/System B and W graphics terminal, 240 V graphics terminal ordered. V DECstation/System Color graphics terminal, 120 V VT24K-AA US standard keyboard See Table 1.10 for non-US models and DECstation/System US WP keyboard keyboards. LA75 -CA 250-ch/s dot-matrix printer, Hardcopy output-only printers are not 120 V suitable as console terminals. DECstation/System 250-ch/s dot-matrix printer, See Table 1.10 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). DECstation/System Bidirectional forms tractor for LQP03 DECstation/System Single-tray sheetfeeder for LQP03