Comtech EF Data KST-12025 User Manual
Page 53
KST-12025 Ku-Band Satellite Terminal
Single Thread System Installation
Rev. 1
2–23
Table 2-2. RFT-1225 Remote Control Connector, J6
Pin
Name
Description
EIA-232-C
EIA-485
A
GND
-RX/TX
RX/TX Data
B
-RX/TX
RX/TX Data
C
+RX/TX
RX/TX Data
D
CTS
+RX/TX
Clear to Send
(see Note 1 below)
E
RD/RX
Receive Data
F
RTS
Ready to Send
(see Note 1 below)
G
TD/TX
Transmit Data
H
DSR
Data Set Ready
J
GND
Ground
K
LNA Power
Output, 10V for powering LNA
(see Note 2 below)
L
EXT_PWR
Output voltage, 11V, to power EIAU-503L and KP-10
M
EXT TWT FLT
Input, logic 0 or 5V, 5V = FLT, 0V = normal
(see Note 3 below)
N
EXT IN_2
Input, logic 0 or 5V, spare
(see Note 3 below)
P
SPARE
N/C
R
GRD
Ground
S
SPARE
N/C
T
ALOG TST
Analog test voltage output
U
UL_NC
Uplink fault relay, connects to uplink COM with fault
V
UL_COM
Uplink fault relay, COMMON
W
UL_NO
Uplink fault relay, opens with fault
X
DL_NC
Downlink fault relay, connects to downlink COM with fault
Y
DL_COM
Downlink fault relay, COMMON
Z
DL_NO
Downlink fault relay, opens with fault
a
LNA PWR RTN
Return for LNA Power
(see Note 2 below)
b
SPARE
c
SPARE
Notes:
1. In EIA-232-C mode, CTS is tied to RTS (and vice versa).
2. LNA can be powered from these pinouts instead of up through the RF cable.
3. 5V is a floating level.