Specifications

HOST
~
DC -~.fT.
GND -=- FRAME GND
MAX FEET
10 FT FLAT RIBBON OR
20 FT TWISTED PAIR
EXTERNAL WRITE CURRENT SWITCHING'
TRUE READY'
TWO SIDED' +
DISK CHANGE'
SI DE SELECT' +
IN USE'
MOTOR ON' (HEAD LOAD)
INDEX
READY
SECTOR
DRIVE SELECT
1 (SIDE SELECT OPT) +
DRIVE SELECT 2 (SIDE SELECT OPT) +
DRIVE SELECT 3 (SIDE SELECT OPT) +
DRIVE SELECT 4 (SIDE SELECT OPT) +
DIRECTION SELECT (SIDE SELECT OPT) +
STEP
WRITE
DATA
WRITE GATE
TRACK
00
WRITE PROTECT
READ DATA
SEP DATA
SEP CLOCK
...... +5 V DC
X +5 V RETURN
......
"" +24 V DC
X + 24 V RETURN
'"
TWISTED PAIR
'JUMPER ENABLED ALTERNATE I/O LINES.
+
SA860 ONLY
SA81
01860
J1
2
1
8
7
10
9
12
11
14
13
16
15
18
17
20
19
22
21
24
2:3
26
25
28
27
30
29
32
31
34
33
36
35
38
37
40
39
42
41
44
4"
46
45
48
47
50
49
3
J2
4
1
2
5
am
FIGURE 2·1. SA810/860 INTERFACE CONNECTIONS
2-2
~
-
39216·09