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.
DATA 1-8
STROBE
BUSY
ACKNLG
VALID
VALID
0.5 µ s
(minimum)
0.5
µ
s
(minimum)
0.5 µ
s (minimum)
0.5 µ
s (maximum)
1 or 10
µ
s
(typical)
0 s
(min.)
0.5 or 5 µ
s
(minimum)
Figure 1-3. Compatibility Mode Signal Timing
General Description
EPL-N1200 Service Manual
1-12
Rev. A
Summary of Contents for EPL-N1200
Page 1: ...EPSON TERMINAL PRINTER EPL N1200 SERVICE MANUAL EPSON 4006838 ...
Page 8: ...REVISION SHEET I Revision I Issue Date Revision Page Rev A December 9 1996 1st issue vii ...
Page 111: ...Chapter 4 Adjustment No adjustment is required in this product ...
Page 127: ...6 ii Rev A ...
Page 133: ...Figure A 2 Engine Section Cable Connection Appendix A EPL N1200 Service Manual A 2 Rev A ...
