Epson GT-6500 EN - Manual (Page 170)

SCSI Interface Specifications
Basic Specification
Any item not included in this specification is in conformance with
ANSI Standard X3.131-1986.
Functions
The following functions covered by ANSI Standard X3.131-1986
are included.
i) BUS FREE phase
ii) ARBITRATION phase
iii) RESELECTION phase
iv) COMMAND phase
With this device, the LUN (Logical Unit Number) is fixed at 0. The
command link function is not supported.
v) DATA phase - DATA IN phase- DATA OUT phase
vi) STATUS phase
vii) MESSAGE phase- MESSAGE IN phase-MESSAGE OUT
phase
viii) ATTENTION condition
ix) RESET condition
Logic Level
TTL level compatible.
Electrical Specification
Conforms to ANSI Standard X3.131-1986.
Terminator
External or internal terminator.
A-8 Interface Specifications