Comtech EF Data SMS-458B - Manual (Page 22)

SMS-458B Modem Protection Switch Revision 2
Introduction MN/SMS458B.IOM
1–6
TX
TERR
J1
PRIME 1
J5
J1
PRIME 2
J5
TX
TERR
TX
TERR
J1 J1
PRIME 3
J5 J5
PRIME 4
TERR
TX
TERR
TX DATA
J1
RX DATA
J2
J3
MODEM
J6 MODEM
RX
TX
RX
J2
J3
J4
J6
RX
TX
RX
MODEM
J2
J3
J4
J6
RX
TX
RX
MODEM J6
J2
J3
J4
RX
MODEM
TX
RX
J2
J3
J4
J30 J31
J11
J12
J19
J20 JP2
JP1
J28
J26
J25
J27
J18
J17
J16
J15
J24
J23
JP3
J13
J14
J21
J22
TX DATA
SWITCH
AS/1314-1
J2
DATA SWITCH
CONTROLLER
AS/2031
RX DATA
SWITCH
AS/1314-1
J1
J27 J28
BACKUP
Figure 1-5. Lower Section Interconnect Diagram