TM 5-6675-320-14
Table 4-2. SIGNAL LINES BETWEEN PLOTTER AND INTERFACE
S i g n a l D i r e c t i on
Line
D e s c r i p t i on
Function
(CMPTR
INTFC)
DI01-8
ATN
SRQ
IFC
EO1
REN
NRFD
NDAC
DAC
DATA LINES
Data Input/Output
Carries 1/0 data, program
codes, addresses and
s t a t u s.
CONTROL LINES
A t t e n t i o n
Indicates data or address
transmission.
Service Request
Indicates service request.
(Low = Request)
I n t e r f a c e C l e ar
Disables HP-IB Interface for
(Low = Clear)
bus .
End or Identify
I d e n t i f i e s e n d o f d a t a.
(Low = End)
Remote Enable
Enables remote control
o p e r a t i o n o f p l o t t e r .
TRANSFER LINES
Not Ready for Data
Indicates readiness to
(Low = Not Ready)
accept information.
Not, Data Accepted
I n d i c a t e s r e c e i p t of
(Low = Not Ready)
i n f o r m a t i o n .
D a t a V a l i d ( A c c e p t e d ) I n d i c a t e s i n f o r m a t i on
( Low = Data Valid)
v a l i d i t y .
4-9
