Comtech EF Data KST-2000A/B - Manual (Page 40)

Ku-Band Satellite Transceiver Revision 9
Installation MN/KST2000AB.IOM
2–12
2.4.1.11 1:1 Connector (J10)
The 1:1 (J10) connector is a 32-pin circular, female connector used in redundant
applications for unit communications and switch control. Refer to Table 2-7 for pin
assignments.
Table 2-7. 1:1 Connector (J10) Pin Assignments
Pin Signal Description
A UL_FLT_OUT U/L Fault output – wires to adjacent unit UL_FLT_IN
B DL_FLT_OUT D/L Fault output – wires to adjacent unit DL_FLT_IN
C TX_SW_CMD Transmit switch command – momentary +28 VDC
output
D RX_SW_CMD Receive switch command – momentary +28 VDC output
E IF_SW_CMD IF switch command – momentary +28 VDC output
F UL_OL_IND U/L online indicator – wires to adjacent unit UL_OL_IN
G DL_OL_IND D/L online indicator – wires to adjacent unit DL_OL_IN
H ENA_OUT Redundancy enable – wires to adjacent unit ENA_IN
J MODE_1_OUT Mode output – wires to adjacent unit MODE_1_IN
K MODE_2_OUT Mode output – wires to adjacent unit MODE_2_IN
L MODE_2_IN Mode input – wires to adjacent unit MODE_2_OUT
M MODE_1_IN Mode input – wires to adjacent unit MODE_1_OUT
N DL_OL_IN D/L online – wires to adjacent unit DL_OL_IND
P UL_OL_IN U/L online input – wires to adjacent unit UL_OL_IND
R DL_FLT_IN D/L fault input – wires to adjacent unit DL_FLT_OUT
S UL_FLT_IN U/L fault input – wires to adjacent unit UL_FLT_OUT
T CONTINUITY Continuity detection – wires to adjacent unit CONT RTN
U A/B_UNIT Unit designator GND = A unit, open = B unit
V ENA_IN Enable input – wires to adjacent unit ENA_OUT
W IF_IND_B IF switch, position B indicator input
X IF_IND_A IF switch, position A indicator input
Y RX_IND_B RX switch, position B indicator input
Z RX_IND_A RX switch, position A indicator input
a TX_IND_B TX switch, position B indicator input
b TX_IND_A TX switch, position A indicator input
c IF_IND_COM IF switch indicator common
d RX_IND_COM RX switch indicator common
e TX_IND_COM TX switch indicator common
f IF_CMD_COM IF switch command common
g RX_CMD_CO
M
RX switch command common
h TX_CMD_COM TX switch command common
j CONT_RTN Continuity return – wires to adjacent unit continuity