ACTi E66 Installation Guide download pdf (Page 12)

E-12

PS2 Keyboard Interface (KEYBOARD)

This is a PS2 compatible Keyboard Interface.

 Ethernet Interface (LAN)

This interface complies with the IEEE802.3 Ethernet communication standard

(10BASE-T/100BASE-TX Auto Changeover).

Pin Arrangement Pin No.

SPP/EPP Mode

Signal Name

EPP Mode

Signal Name

Direction

Electrical

Specification

ST RB WRIT E In/Output

O.D/T.S *

DAT A0 DAT A0 In/O utput O.D

DAT A1 DAT A1 In/O utput O.D

DAT A2 DAT A2 In/O utput O.D

DAT A3 DAT A3 In/O utput O.D

DAT A4 DAT A4 In/O utput O.D

DAT A5 DAT A5 In/O utput O.D

DAT A6 DAT A6 In/O utput O.D

DAT A7 DAT A7 In/O utput O.D

ACKNLG ACKNLG Input T T L

BUSY WAIT Input TTL

PE PE Input TTL

SLCT SLCT Input TTL

AUTOFD DSTRB In/Output

O.D/T.S *

ERROR ERROR Input TTL

INIT INIT In/Output

O.D/T.S *

SLCTIN ADSTRB In/Output

O.D/T.S *

GND GND

 Printer Interface (LPT1)

This interface conforms to Centronics standards.

Electrical specifications

• O.D : Open Drain

• T.S

: State Input/Output

• TTL : TTL Input

*1 Pins 1, 14, 16 and 17 will become O.D when the SPP mode specification is used. If the mode

changes to ECP or EPP, these pins will become T.S.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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ACTi E66 Installation Guide Page 12

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