Table of Contents
Operating Characteristics
GEK-36150
INTERFACE CONNECTIONS (Continued)
!
PIN
NO.
CIRCUIT
DESCRIPTION
COMMENTS
4
(c)
Standby or Local pushbuttons
Cont.
(d)
Line Control characters sent**
5
CB
Clear to Send
Lights READY light when on unless:
(a)
Paper out
(b)
If INTERRUPT light is on
(c)
OLE? (wait before transmit) has been
received without ACK following**
7
AB
Signal Ground
8
CF
Received Line Signal
Detector
11
SCA
Secondary Transmitted
Data
12
SCF
Secondary Received Line
Signal Detector
I
I
I
20
I
CD*
Data Terminal Ready
I
Signals data set that Printer is capable
of receiving a call.
(a)
Turned off in
LOC~L
to prevent auto answer
by data set. This will initiate disconnect
in data set.
(b)
Turned off for 67 ms to initiate forced
disconnect by data set upon recognition
of OLE EQT**.
(c)
Held off by paper out signal beginning as
soon as CB goes off. Not affected by
paper out if CB is on.
(d)
Off when power is off.
(e)
Turned on by STANDBY or ON LINE
pushbuttons except in items c and d
above.
22
CE
R i ng Indicator
Used by Automatic Answerback Option.
*Printer to Data Set.
**When Line Control Op·don is included.
6-2
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