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J901
F901
C927
+15V
1
GROUND
2
CR907
OCXO -
3
OCXO +
4
ALARM RELAYS
REMOTE -
5
1
14
1
2
2
13
REMOTE +
6
K901
K902
RF ALARM OUT +
7
6
9
6
RF ALARM OUT -
8
7
7
8
OCXO 1 ALARM +
9
OCXO 1 ALARM -
10
OCXO 2 ALARM +
11
1
14
1
2
2
13
OCXO 2 ALARM -
12
K904
K905
DELTA F ALARM +
13
6
9
6
DELTA F ALARM -
14
7
8
7
DC ALARM +
15
DC ALARM -
16
AC ALARM +
17
AC ALARM -
18
DC INPUTS
P913
4
1
2
3
+5V
+15V
GND
AC/DC
SENSE
REMOTE CONTROL INPUTS
1
14
14
4
5
4
5
2
13
13
S904
S905
R906
R910
K903
1
8
R905
1
8
R909
9
6
9
R907
R911
7
8
8
CR902
CR903
CR904
CR905
1
8
1
8
C948
C929
U908
U909
R912
R908
14
1
14
4
5
4
5
13
2
13
K906
9
6
9
8
7
8
C926
10 MHz
REF OUTPUT
REF OUTPUT
WO904
WO903
1
14
C924
U906
C923
R975
7
8
Y902
OCXO 2
C937
R918
R917
CR906
C907
C908
R919
*
C938
C939
*
R920
R921
C941
+ C910
C909 +
R923
R922
C911
C912
R925
October 1999
Part No. 001-2009-201
INPUT BNC
10 MHz
FROM W W V
WO902
OSC
EXT
INT
C904
3
2
1
J902
C903
R902
C904
Y901
OCXO 1
RF OUTPUT ALARM
R914
C942
R913
C905
C906
DELTA F ALARM
R916
+C921
OCXO 2 ALARM
R974
R973
+C922
C947
C946
OCXO 1 ALARM
OCXO COMPONENT LAYOUT
FIGURE 10-27
10-22
OCXO 1
OCXO 2
+15V
DC ON/OFF
TEST
TEST
+15V
1
2 3
4 5
P912
CR908
C913
C932
J909
DC ALARM
C936
NO
NC
2 3
1
R876
R961
C914
R960
R957
R956
R959
R958
R955
DC
FAIL
J910
R949 R950
ENABLE
DISABLE
1
2 3
R952
R954
C915
DS905
Q915
J911
R953
R951
AC ALARM
R948 R946
NO
NC
1
2 3
R977
R967
R972
R971
AC FAIL
R968
R966
R970
R969
R965
DS906
R964
R963
C935
RF
J903
OUTPUT
NO
NC
R927
3
2 1
R926
R928
R930
DS901
R929
J907
DELTA F
R942
J908
ENABLE
DISABLE
NO
NC
1
2 3
1
2 3
R941
R943
R945
DS904
R944
C934
J905
OCXO 2
R937
J906
ENABLE
DISABLE
NO
NC
1
2 3
1
2 3
R936
R938
R940
DS903
R939
0CX0 1
J904
R932
R931
NO
NC
1
R933
2 3
DS902
R935
R934
C933
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