3 utility connections, 1 sample port connectors (front panel), 2 j4 | redundant loop connector – Comtech EF Data CPA User Manual
Page 39
CPA C-Band Indoor Solid State Power Amplifier
Revision 1
Connectors and Pinouts
MN/CPA-IN.IOM
3–5
3.3
Utility Connections
3.3.1
Sample Port Connectors (Front Panel)
These ports are Type ‘N’ female connectors, providing easy access
–20 dBc and –40 dBc test points on the ISSPA front panel.
Name
Connector Type
Description
Direction
SAMPLE | OUTPUT
Type ‘N’ Female
–20 dBc Sample Test Port
Input
SAMPLE | INPUT
–40 dBc Sample Test Port
Output
3.3.2
J4 | REDUNDANT LOOP Connector
Appendix B. ISSPA REDUNDANT OPERATIONS
This is a 19-pin circular connector, type MS3112E14-19S. The pin-out
specification is contained in Table 3-2. This receptacle is used only in 1:1
and 1:2 redundant configurations.
Mating connector: ITT KPT06J14-19P or MS3116J14-19P
Table 3-2. J4 Redundancy Loop Connector Pinout
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 NC*
H
HSB +RX/TX
U
No Connect
J
HSB – RX/TX
V
No Connect
K
Local Loop In
*Connected to Pin ‘S’ if unit is powered on and no fault present