Epson EPL-N1200 Service Manual - Page 24
INTERFACE SPECIFICATIONS, 3.1 Parallel Interfaces, Compatibility Mode Signal Timing
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General Description 1.3 INTERFACE SPECIFICATIONS The EPL-N1200 is equipped with the following external interfaces: s Parallel interface B s Parallel interface C s Serial interface on optional LocalTalk/Serial module s LocalTalk interface on optional LocalTalk/Serial module EPL-N1200 Service Manual 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. 0.5 µs 0.5 µs (minimum) (minimum) DATA 1-8 STROBE VALID 0.5 µs (minimum) 0.5 µs (maximum) BUSY 0 s 0.5 or 5 µs (min.) (minimum) ACKNLG VALID 1 or 10 µs (typical) Figure 1-3. Compatibility Mode Signal Timing 1-12 Rev. A