CDM-570/570L Satellite Modem with Optional IP Module Revision 4
Connector Pinouts MN/CDM570L.IOM

5.9 Ethernet Interface Connectors (Traffic and M&C)

The 10/100BaseT Ethernet connector is a RJ45-8 modular jack. There is one connector
present on the base modem assembly, used for M&C purposes, and a second connector
present if the optional IP module is installed. The second connector is used for the IP
traffic connection. This interface is a Network Interface Card (NIC) pinout.
Table 5-9. Ethernet Interface Connector
Pin # Function
1 Tx+
2 Tx-
3 Rx+
4 N/C
5 N/C
6 Rx-
7 N/C
8 N/C

5.10 AC Power Connect or

A standard, detachable, non-locking, 3-prong power cord (IEC plug) supplies the
Alternating Current (AC) power to the modem. Note the following:
AC Power Specifications
Input Power 40W maximum, 20W typical
Input Voltage 100 - 240 volts AC, +6%/-10% - autosensing
(total absolute max. range is 90 - 254 volts AC)
Connector Type IEC
Fuse Protection 5.0A Slow-blow (115 volt AC operation)
2.5A Slow-blow (230 volt AC operation)
Line and neutral fusing
20 mm type fuses

5.11 Ground Connector

A #10-32 stud on the rear panel of the modem is used for connecting a common chassis
ground among equipment.
Note: The AC power connector provides the safety ground.
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