P
AGE
4
46131-0598 <90-00018>
F
IG
. 1 - F
UNCTIONAL
S
CHEMATIC
CIRCUIT DESCRIPTION
1
1
2
33
34
33
34
49
50
51
52
43
37
44
45
46
54
56
53
54
55
TYPICAL INPUT
FOR ALL CIRCUITS
ALARM INPUTS
33 - 64
33K
-BATT
TYPICAL OUTPUT FOR
ALL CIRCUITS
CONTROL OUTPUTS
9 - 16
FRONT PANEL PUSH BUTTONS
AND
SEVEN-SEGMENT DISPLAYS
49
51
52
TD
RD
2
TYPICAL INPUT
FOR ALL CIRCUITS
ALARM INPUTS
1 - 24
33K
-BATT
2
TYPICAL INPUT
FOR ALL CIRCUITS
ALARM INPUTS
25 - 32
33K
1
17
18
TYPICAL OUTPUT FOR
ALL CIRCUITS
CONTROL OUTPUTS
1 - 8
TBOS SERIAL
INTERROGATOR PORTS
1 - 8
182
3
4
TX-
TX+
35
36
39
40
41
42
FUSE ALARM
CIRCUIT
CONFIGURATION PORT
50
53
55
TO
Power Supply
F1
2 AMP
GND
-BATT
ACK COS
BACK PANEL
CONNECTOR
OPTICALLY
ISOLATED
INPUT
EXPANSION CARD
MAIN APU CARD
OPTICALLY
ISOLATED
INPUT
OPTICALLY
ISOLATED
INPUT
33K
-BATT
COS
CIRCUIT
OPTICALLY
ISOLATED
INPUT
RESET
X201
P2
P2
P3
P1
P2
P1
P2
P3
P2
P3
S1
RCV
PAD
S1
XMT
PAD
S2
TEST
POINT
XMT
LVL
ADJUST
I.C.
202 MODEM CARD
TYPICAL CIRCUIT
S801
TEST
CD
RESPONDER PORT 4
FUTURE
IBM-COMPATIBLE I/O
CARD
RESPONDER PORT 3
(Options -01 and -21)
(Options -20 and -21)
(All Options)
OUTPUT
TD
1
RD
6
5
9
C1
RJ-11
GRN
YEL
BLU
1 2 3
6
+5 VDC
WHT
RS-422/485 RX-
182
RS-422/485 RX+
RS-422
TX-
RS-422 TX+
RS-232
TD
RS-232
RD
RS-232 GND
RESPONDER PORT 1
X801
S804
S803
S802-3
RS-422/485 RX-
182
RS-422 RX+
RS-422/485 TX-
RS-422 TX+
RS-232
TD
RS-232
RD
X802
S806
S805
S802-7
RESPONDER PORT 2
RS-232 GND
MICROPROCESSOR AND
ASSOCIATED CIRCUITRY
CURRENT LIMITER
RS-232 CTS
RS-232 RTS
RS-232 RTS
38
RS-232 CTS
UPDATED
