The Main Cable Features:

• Connectible to PC LPT port (paralel "printer" port) of 25 pins DSUB connector:
  - This connector include the electronics. This electronic circuit convert the signal from one unit to another.
  - Get the power-supply voltage from PC, battery not necessary, and spare the SHARP^® battery.
  - This connector include the Hardkey for the software copy protection.
• The cable connect to old SHARP^® calculators with special flat plug:
  - The plug own development and custom-built, because the SHARP^® not manufacture cable for the old unit already. Necessarily, if me get at the original Sharp^® "unit to unit" cable (CE300L), make the ZQ-Link cable from that.
  - This custom-built plug totally shielded against the external action.
  - The connector part be made from 0,8 mm diameter silver pins, which good electrically conductive, and establish stable contact between PC and Unit. This pins not fragile and wear-resisting.
  - The top side of the plug is marked by "TOP" label towards prevention of inverse connecting.
  
• SHARP^® unit can be connected with cable:
  ZQ-2000, ZQ-2200, ZQ-2250, ZQ-2400, ZQ-2450, ZQ-2650, ZQ-2750M, ZQ-2850, ZQ-3050, ZQ-3250, ZQ-4350, ZQ-4450, ZQ-5450, ZQ-5650, ZQ-M203T, ZQ-M403T, ZQ-M155T, ZQ-M475T, EL-6660A, EL_6690A
• Not this cable suitable for the following SHARP^® unit, but the EL-Link cable suitable: EL-6750, EL-6790, EL-6850, EL-6890, ZQ-190, ZQ-195, ZQ-520, ZQ-540

Trademarks and software names in the web pages, software, user's guide:
SHARP is a registered trademark of  SHARP CORPORATION Japan,
IBM is a registered trademark of  International Business Maschines Corp. USA,
DOS, Windows, and other MS names is a registered trademarks of Microsoft Corp. USA.