Toshiba B9700LANQMR, B-9700-LAN-QM-R, B-SX5T manual 1MB

1. OUTLINE

EO10-33013B

1.5 ELECTRONICS SPECIFICATIONS

•Interface circuit

„ Input circuit	„ Output circuit
SN75189 or equivalent	SN75188 or equivalent
RD	TD
CTS	RTS
DSR	DTR

„Signal level

Input voltage:	"H" .. +3V~ + 15V	Output voltage:	"H" .. +6V ~ +13V
	"L" ... –3V~ – 15V		"L" ... –6V ~ –13V
(2) Centronics interface
c Data input method:	8-bit parallel (DATA 1~8)

dControl signals

Compatibility mode:	nStrobe, nAck, Busy, PError, Select, nAutoFd, nInit, nFault, nSelectIn
ECP mode:	HostClk, PeriphClk, PeriphAck, nAckReverse, XFlag, HostAck,
	nReverseRequest, nPeriphRequest, IEEE1284Active
e Data input code:	ASCII, JIS 8-bit code for European characters, 8-bit code for graphic
f Receiving buffer:	1MB

gInput/Output circuit configuration and Input/Output conditions

Type	Signal Name		Configuration
Input/		+5V	SN74LS14 or equivalent
	Data 1 ∼ 8
Output		1K
	nStrobe/HostClk	+5V		Logical level (input)
Input	nInit/nReverseRequest	1K	SN74LS14 or equivalent	"1" = 2~5V
	nAutoFd/HostAck			"0" = 0~0.4V
	nSelectIn/IEEE1284Active		100P
	Busy/PeriphAck		+5V	Logical level (input)
	nFault/nPeriphRequest	SN7406 or equivalent
				"1" = 2.4~5V
Output	nAck/PeriphClk		1K
				"0" = 0~0.4V
	Select/XFlag		100P
	PError/nAckReverse

NOTE: When using a Centronics Interface Cable on the B-SX5T Series

Please put the ferrite core on the Centronics interface cable, close to the connector (printer side), and secure it with a cable band as shown below.

Ferrite Core

Cable Band

Hook

Centronics Interface Cable

Connector (Printer Side)

NOTE: Be sure to close the ferrite core until it snaps.

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