Table 2-4. Redundant Loop Interface, Connector J4; Table 2-5. Customer Discrete Control, Connector J5 - Comtech EF Data KPA080 Installation And Operation Manual

KPA080 Ku-Band Solid-State Power Amplifier
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 2-4. This connector is
used only in redundant configurations.
2.3.1.2 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 2-5.
Rev. 0

Table 2-4. Redundant Loop Interface, Connector J4

Pin # Description
A Loop In 1
B ADDR 2
C Loop In 2
D Loop Out 2
E ADDR Common
F ADDR 1
G Loop Out 1
H HSB +RX/TX
J HSB – RX/TX
K Local Loop In

Table 2-5. Customer Discrete Control, Connector J5

Pin # Signal Name
A Auto Select
B BU-1 Command
C Priority 2 Sel
D BU-2 Command
E 2 Online NO
F Remote Common
G Online Common
H BU Online NO
J Manual Select
K 1 Online NO
L 2 Fault NO
M Priority 1 SEL
N Fault Common
P BU Fault NO
R BU Offline CMD
S 1 Fault NO
Pin # Description
L Sumflt 2 NO
M SumFlt 2 Common
N Local Loop Out
P Sumflt 1 NO
R Sumflt 1 Common
S Local Sumflt Common
T Local Sumflt NO
U No Connect
V No Connect
Description
Momentary short to pin F to force entire subsystem to
Auto Mode.
Momentary short to pin F to force backup of SSPA #1.
Momentary short to pin F to set SSPA #2 as HIGH
priority.
Momentary short to pin F to force backup of SSPA #2.
Tied to pin G when Online, all other conditions OPEN.
Control – Remote Common.
Online Status Common.
Tied to pin G when Online, all other conditions OPEN.
Momentary short to pin F to force entire subsystem to
Manual Mode.
Tied to pin G when Online, all other conditions OPEN.
Tied to pin N when Faulted, all other conditions OPEN.
Momentary short to pin F to set SSPA #1 as High priority.
Fault Status Common.
Open when faulted, else tied to Pin N.
Momentary short to pin F to force backup SSPA Offline.
Open when faulted, else tied to Pin N.
Installation
2-7