Epson Equity LT Product Information Guide - Page 2

EQUITY LT Back Panel DIP Switch Settings Switches Functions 12 3 4 3N 3FF ON OFF ON OFF ON OFF Use external diskette drive Use parallel printer External diskette drive is B External diskette drive is A 1 FDD 2 FDDs Serial port is secondary Serial port is primary PIN NO. SIGNAL NAME DIRECTION 1 -STROBE 0 : DATA0 DATA1 ii 4 DATA2 0 5 DATA3 0 6 DATA4 i 7 DATA5 8 DATA6 0 9 DATA7 0 10 -ACK I 11 BUSY I 12 I 13 ZCT I 14 -AUTOFD I 15 -ERROR I 16 -1NIT I 17 -SLCTIN I 18-25 GND Serial Port Connector PIN NO. SIGNAL NAME DIRECTION 1 CRDET I RXDT I : TXDT 4 DTR i SG z DSR RTS :, L CTS I 9 RI I Monitor Connector DESCRIPTION Strobe Printer Data 0 Printer Data 1 Printer Data 2 Printer Data 3 Printer Data 4 Printer Data 5 Printer Data 6 Printer Data 7 Acknowledge Printer Busy Paper End Printer Select Auto Feed Printer Error Printer Initialize Printer Select Ground DESCRIPTION Data Carrier Detect Receive Data Transmit Data Data Terminal Ready Signal Ground Data Set Ready Request to send Clear to Send Ring Indicator System Board Jumper Adjustment Jumper 5 is used to control the LED showing drive access for the left-hand drive. In position A, it supports a FDD. In position B, it supports a HDD. Connector Pin Assignments Parallel Port Connector 13 000000000000cJ 25 oooooooooooc PIN NO. SIGNAL NAME DIRECTION ROUT GOUT BOUT IOUT NC HSYNC VSYNC DESCRIPTION Frame Ground Ground Video Signal (Red) Video Signal (Green) Video Signal (Blue) Video Signal (Intensity) No connection Horizontal Sync. Vertical Sync. EQLT - 2 12/12/88 Equity Series Computers