2 Jun
1999
2 Jun
'99
5:41 p.m.
On Wed, 2 Jun 1999, Fred Cisin (XenoSoft) wrote:
If only 'twere still a joke. Some minor pain inducing health problems at
my end.
Poor jest on my part, I fear.
- don
Any good sources for routine and/or user information
about the Horizon?
f'rinstance: what's the pinout on those 15 pin D "parallel" connectors?
Any chance the signals are close enough to be cabled into a centronics
style port? I haven't applied power to it yet; anything exceptional to
watch out for?
This should be of some help.
N* Horizon Port Info
Serial Connector
Pin # Signal Name Direction
1 Chassis ground
2 Transmit Data ->
3 Receive Data <-
4 Request to Send ->
5 Clear to Send <-
6 Data Set Ready <-
7 Signal Ground
8 Carrier Detect <-
9 +12 volts (used in current loop)
10 -12 volts (used in current loop)
11 No connection
12 No connection
13 No connection
14 No connection
15 Transmit Clock <-
16 No connection
17 Receive clock <-
18 No connection
19 No connection
20 Data Terminal Ready ->
21 No connection
22 No connection
23 No connection
24 Transmit Clock ->
25 No connection
BAUD Rate Selection (BAUD Rate header at location 20)
Pin Rate
16 9600 x 16 baud
15 4800 x 16
14 2400 x 16
13 1200 x 16
12 600 x 16
11 300 x 16
10 110 x 16
9 150 x 16 or 75 x 16 baud
(selected by jumper J4 near 5D)
Parallel Connector Pin Assignments
Input
Pin Signal Name
1 Data Bit 7
2 Data Bit 5
3 Ground
4 Data Bit 2
5 Data Bit 0
6 Input Strobe
7 P-I-FLAG/
8 Spare
9 Data Bit 6
10 Data Bit 4
11 Data Bit 3
12 Data Bit 1
13 Ground
14 Ground
15 Ground
Output
1 Data Bit 7
2 Data Bit 5
3 Ground
4 Data Bit 2
5 Data Bit 0
6 P-O-FLAG
7 ACK/ (output device ready)
8 Spare
9 Data Bit 6
10 Data Bit 4
11 Data Bit 3
12 Data Bit 1
13 Ground
14 Ground
15 Ground
Grumpy Ol' Fred cisin(a)xenosoft.com
^^^^^^\
You really are, aren't you ?:-}