One terminal (video, hardcopy, or graphics) is necessary as a console for a system to function. Total terminals should not exceed 17 plus additional number of serial lines selected in Step 8. All keyboards and most terminals are 120 V. Refer to Table 1.7 for non-120-V alternate-language keyboards and terminals. LA100-BA Hardcopy terminal, 120 V Hardcopy I/O terminals recommended as LA100-BB Hardcopy terminal, 240 V console terminals. Alpha Server DS20E Unix Hardcopy terminal, 120/240 V Alpha Server DS20E Unix 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. 111 Alpha Server DS20E Unix US standard keyboard VT22K-BA US WP keyboard See Table 1.7 for non-US keyboards. VT240-A2 B and W graphics terminal, 120 V One keyboard is required for each Alpha Server DS20E Unix B and W graphics terminal, 240 V graphics terminal ordered. Alpha Server DS20E Unix Color graphics terminal, 120 V - VT24K-AA US standard keyboard See Table 1.7 for non-US models and VT24K-BA US WP keyboard keyboards. Alpha Server DS20E Unix Alpha Server DS20E Unix Standard System Check Qty Part Number Product Description Product/Order Limitations or Remarks Alpha Server DS20E Unix 250-ch/s dot-matrix printer, Hardcopy output-only printers are not 120 V suitable as console terminals. Alpha Server DS20E Unix 250-ch/s dot-matrix printer, 120 V, parallel model See Table 1.7 for non-US models. (See LQP03 -AA 25-ch/s LQP printer, 120 V page 6.15 for LA75 non-US models). Alpha Server DS20E Unix Bidirectional forms tractor for LQP03 LQPX3 -SF Single-tray sheetfeeder for LQP03 LA210-AA 240-ch/s dot-matrix printer, 120 V Alpha Server DS20E Unix Bidirectional forms tractor for LA210 LA21X-SF Single-tray sheetfeeder for LA210, 8.5 by 11