Comtech EF Data SMS-458B - Manual (Page 104)

SMS-458B Modem Protection Switch Revision 2
Cable Configuration MN/SMS458B.IOM
A–8
SMS-458 (A2)
MOD BACKUP
MOD PRIME 1
MOD PRIME 2
MOD PRIME 3
MOD PRIME 4
MODEM CNTL INTF J3
J26
J18
J19
J20
J21
A2 / A10
BACKUP MODEM I/O
DATA458 BK-UP
J3
PR1 MODEM DATA I/O
A2 / A1-A2
DATA458 PR1
J6
PR2 MODEM DATA I/O
A2 / A3-A4
DATA458 PR2
J6
PR3 MODEM DATA I/O
A2 / A5-A6
DATA458 PR3
J6
PR4 MODEM DATA I/O
A2 / A7-A8
DATA458 PR4
J6
J6 J5
J5
J5
J5
J5
T
O
C
U
S
T
O
M
E
R
’S
E
Q
UI
P
M
E
NT
SDM-9000 PR4
DAT I/O
TX / IF OUT
REMOTE
FAULT
AUX 1
ALARM
J6
J7
CP1
RX / IF OUT
J9
J10
J8
CP2
SDM-9000 PR3
DAT I/O
TX / IF OUT
REMOTE
FAULT
AUX 1
ALARM
J6
J7
CP1
RX / IF OUT
J9
J10
J8
CP2
SDM-9000 PR2
DAT I/O
TX / IF OUT
REMOTE
FAULT
AUX 1
ALARM
J6
J7
CP1
RX / IF OUT
J9
J10
J8
CP2
SDM-9000 PR1
DAT I/O
TX / IF OUT
REMOTE
FAULT
AUX 1
ALARM
J6
J7
CP1
RX / IF OUT
J9
J10
J8
CP2
Figure A-4. SMS-458B Installation Schematic for SDM-9000 Satellite Modem with 50-Pin
Data Interface