Comtech EF Data KPA-020IN, Installation And Operation Manual

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Ku-Band Solid-State Power Amplifier Revision 0
Installation MN/KPA.IOM
3-2
3.1.1 Redundant Loop Interface, Connector J4
The Redundant Loop Interface connector J4 is a 19-pin circular connector, type
MS3112E14-19S. The pin-out specification is contained in Table 3-2. This connector is
used only in redundant configurations.
Table 3-2. Redundant Loop Interface, Connector J4
Pin # Description Pin # Description
A Loop In 1 L Sumflt 2 NO
B ADDR 2 M SumFlt 2 Common
C Loop In 2 N Local Loop Out
D Loop Out 2 P Sumflt 1 NO
E ADDR Common R Sumflt 1 Common
F ADDR 1 S Local Sumflt Common
G Loop Out 1 T Local Sumflt NO
H HSB +RX/TX U No Connect
J HSB – RX/TX V No Connect
K Local Loop In
3.1.2 Customer Discrete Control, Connector J5
The Customer Discrete Control connector J5 is a 19-pin circular connector, type
MS3112E14-19S. The pin-out specification is contained in Table 3-3 or Table 3-3a..
Table 3-3. Customer Discrete Control, Connector J5
(Stand-alone or 1:1 System)
Pin # Signal Name Description
A Auto Select Momentary short to pin F to force entire subsystem to
Auto Mode.
B BU-1 Command Momentary short to pin F to force backup of KPA #1.
C Priority 2 Sel Not applicable for 1:1 system
D BU-2 Command Not applicable for 1:1 system
E 2 Online NO Not applicable for 1:1 system
F Remote Common Control – Remote Common.
G Online Common Online Status Common.
H BU Online NO Open when Online, all other conditions tied to Pin G.
J Manual Select Momentary short to pin F to force entire subsystem to
Manual Mode.
K 1 Online NO Open when Online, all other conditions tied to Pin G.
L 2 Fault NO Not applicable for 1:1 system
M Priority 1 SEL Momentary short to pin F to set KPA #1 as High priority.
N Fault Common Fault Status Common.
P BU Fault NO Open when faulted, else tied to Pin N.
R BU Offline CMD Momentary short to pin F to force backup KPA Offline.
S 1 Fault NO Open when faulted, else tied to Pin N.