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ROSS
Comtech EF Data CDM-570L, Sea Tel DAC-2202, and ROSS Hardwire Interconnect
Wiring:
The CDM570L is connected to the DAC 2202 ACU through the Terminal Mounting Strip (TMS)
using the Comtech Modem Interface cable assembly 126877-B. The cable assembly is designed
to work with older and newer versions of the TMS, however when using the newer version of the
TMS the +12/24V pull-up connection is not required as there is a voltage pull-up jumper instead.
When using the newer terminal PCBA with pull-up jumper, clip the +12/24V line from cable
assembly. See Comtech Modem Interface Cable Assembly, Figure 12.
Antenna
Interconnect
Figure 11, ROSS to Sea Tel DAC-2202 to CDM-570L Interconnect Diagram
Comtech EF Data, Vipersat Products
110/220 VAC
LAN 10/100BaseT
M&C
L-Band Transmit
L-Band Receive
RX
110/220 VAC
LAN 10/100BaseT
110/220 VAC
LAN 10/100BaseT
SEATEL ACU
NEMA
Ship Gyro
TX
CDM-570L
Alarm
ROSS
Ethernet Switch
MN/13070
EXT AGC
GND
SW2
+12/24V
Page 77 of 87
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