Honeywell SPZ-8000 - Page 293

RS232 RCVR
RETURN
RS232 XMTR
RS232 RCVR
RETURN
RS232 XMTR
RS232 RCVR
RETURN
RS232 XMTR
RS422 RCVR
{
(H)
CDU DATA
(L)
{
RS422 XMTR (H)
CDU DATA
(L)
RS422 CDU
{
(H)
CNTL RCVR
(L)
RS422 XMTR
{
(H)
CLK CDU
(L)
RS422 CDU
{
(H)
CNTL XMTR
(L)
RS422 RCVR
{
(H)
DATA LOADER
(L)
RS422 XMTR
{
(H)
DATA LOADER
(L)
RS422 XMTR
{
(H)
DATA LOADER (CLK)
(L)
JIA JIB
55
56
55
56
28
29
52
53
10
11
12
13
14
15
17
18
19
7
8
35
36
32
33
20
21
D——— ———— ———— ———— ———— ———— —
1
=1
i
RS232
INTERFACE
1
, 1=
=1
DATA
LOADER
m=+
%14ARED
1/0 c
RAM
PROCESSOR
LEN
BUS
INTERFACE
CKTS
10
11
35
X
16
17
18
19
23
24
PROCESSOR A
SHARED
1/0
B
CO-PROCESSOR
RAM
PROCESSOR
*
TRANSMITTER
*
h
—
TO BUS 1
TO BUS 2 ~
(SH2)
t
i
(SH2)
s
L ———— ———— ———— ———— ———— ————
4
NZ-920 Navigation Computer
Block Diaaram
Figure 9-2 (~heet 1)
22-14-00
26
27
32
33
43
44
45
46
50
51
—
19
28
31
22
23
57
58
AIRCRAFTBATTERY +28 V DC
AIRCRAFTBAITERY RETURN
[H)
}
PRIMARYASCB BUS
[L)
[H)
}
SECONDARY ASCB BUS
[L)
[H)
}
AFIS/ACRSRX BUS
[L)
[H)
}
MLWLS PRIMARY
[L)
[H)
}
DME PRIMARY
[L)
[H)
}
LTS NO.2
(L)
(H)
}
LTS NO. 1
(L)
(H)
}
NAV PRIMARY
(L)
(H)
}
NAV SECONDARY
(L)
(H)
}
DME SECONDARY
(L)
(H)
(L)
}
LTS NO.3
(H)
}
GEN BUS SECONDARY
(L)
(H)
}
GEN BUS PRIMARY
(L)
AD-30257,SH1#
Page
198.123/198.124
Apr 15/93
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