Technical Specifications
B-8
Interface
Your printer is equipped with an 8-bit parallel interface and a serial
interface.
Parallel interface
The built-in parallel interface has the following characteristics:
Forward channel
Data format: 8-bit parallel, IEEE-1284 compatibility mode
Synchronization: STROBE pulse
Handshake timing: BUSY and ACKNLG signals
Signal level: TTL compatible
Connector: 57-30360 Amphenol connector or equivalent
Reverse channel
Transmission mode: IEEE-1284 Nibble mode
Adaptable connector: 57-30360 Amphenol connector or equivalent
Synchronization: Refer to the IEEE-1284 specification
Handshaking: Refer to the IEEE-1284 specification
Signal level: IEEE-1284 Level 1 device
Data transmission timing: Refer to the IEEE-1284 specification
Serial interface
The printer’s built-in serial interface is based on the RS-423 standard.
This interface has the following characteristics:
Standard: Based on RS-423
Synchronization: Synchronous
Bit rate: Approx. 1.8 Mbps
Handshaking: X-ON/X-OFF and DTR protocol
Word format:
Data bit: 8 bits
Parity bit: None
Start bit: 1 bit
Stop bit: 1 bit
Connector
8-pin mini-DIN
Recommended cable
Apple System Peripheral-8 cable (part number M0197)
specs.fm Page 8 Thursday, March 19, 1998 4:27 PM