Viking 242-2009-632 - Manual (Page 105)

CIRCUIT DESCRIPTION
6-33
March 1999
Part No. 001-2009-600
6.10 ALARM EXTERNAL CONNECTOR BOARD
The alarm external connector board (A10) is the
interface for the alarm outputs and connecting repeat-
ers through the high speed data bus.
Figure 6-14 ALARM EXTERNAL CONNECTOR BOARD
DA
TA
1 D
ATA2
J1
25
26
ALA
RM
IN
AL
AR
M O
UT
33
34 ALAR
MS
I/0
13
1
2
J2
1
2
J3
P1
TLA
-
TLA +
H
SDB
+
HS
DB
-
IR
DB
+
IR
D
B - 6
5
4
3
2 1
DATA BUS
HIGH SPEED
A5
J2
BOARD
CONNECTOR
EXTERNAL
A10
TO CARD RACK
P10
ALARMS
A7
TO CARD RACK
J1
A6
REPEATER I/O
J1
TO CARD RACK
P11
RXA-
RI N G TXA
-
R XA+
TX
A+
TIP
TIP 1
RI NG
1
EB
EA
M A
MB
RXS-
RX
S+
TXS-
TX
S+
EX
T MO
D
VO
T A
U D
V D AT
IN
2 IN
- 1 IN -
AC F
A IL
GR
OU
ND
G ROUN
D
+1
5V
AC
C
+15V
A CC
RS
SI
1 OU
T -
2 OU
T -
2 O UT
+
1 O U T + 2 IN +
1 IN +
4-
3-
3+
4+
3+
4-
3-
4+
EXT
R EQ1
IA C 41
EX
TO
UT1
COM
49
COM
50
TX
D
IN
RX VOI
CE
TX VO
ICE
BRX
W
B AND
COM
M 6
SQ
EN
EX
TRE
Q 2
C OM
1 7
SYN
C IN
TX
D OU
T
CO
M 5 3
CO
M 5 4
COM
55