Serial Interface Control Jumpers - Genicom 4810 User Manual

Serial Interface
(continued)
Serial Interface Signal Definition
(continued)
PIN SIGNAL
DIRECTION DESCRIPTION
11
SCA-1
From Printer
Secondary Request To Sent - Permits printer
status to be reflected in the same manner as
CA. See straps A4, A12, A20, and A27 in Ap-
pendi.x F.
19
SCA-2
From Printer Same as pin 11.
20
CD
(DTR)
From Printer Data Terminal Ready - Permits printer status
to be reflected in the same manner as CA. See
straps A7, Al 5, A23, and A28 in Appendix F.
Serial Interface Control Jumpers
4-12 u~r•
Manual
The Jumpers defined below are used to provide control of the hardware
interface. They are located on the logic board ITTLB). The following shows the
standard configuration.
STANDARD
JUMPER DESCRIPTION
IN
JS
Transmit always enabled regardless
d
the stated the CB lead.
OUT J6
Host CB teed function determined by J7 and JS.
IN J7 CB lead pulled high bUI is still controlled by the host.
OUT JS CB lead is controlled only
by
the host.
No,._.\