Interface Specifications; Parallel Interfaces; Compatibility (Standard) Mode; Figure 1-3. Compatibility Mode Signal Timing - Epson EPL-N1200 Service Manual

General Description

1.3 INTERFACE SPECIFICATIONS

The EPL-N1200 is equipped with the following external interfaces:
Parallel interface B
Parallel interface C
Serial interface on optional LocalTalk/Serial module
LocalTalk interface on optional LocalTalk/Serial module

1.3.1 Parallel Interfaces

There are two parallel interfaces: parallel interface B and parallel interface C. Each interface has
his own connector.
Parallel Interface B
Interface specification complies with IEEE 1284-I.
Operating modes: Compatibility (standard) and nibble (reverse) modes
Transfer speed:
APPROX. 400 KB/second (MAX.)
Connector type: Amphenol or equivalent (IEEE 1284B - type connector)
Parallel Interface C
Interface specification complies with IEEE 1284-II.
Operating modes: Compatibility (standard), nibble (reverse), and ECP modes
Transfer speed: APPROX. 2MB/second in ECP mode (MAX.)
Connector type:
IEEE 1284C - type connector

1.3.1.1 Compatibility (Standard) Mode

System: STROBE synchronization, 8-bit parallel data transfer
Handshaking: BUSY and ACKNLG signals
Applicable plug:
57-30360 (Amphenol or equivalent)
Signal timing: See Figure 1-3.
Signal description: See Table 1-8.

Figure 1-3. Compatibility Mode Signal Timing

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EPL-N1200 Service Manual
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