28 MDS Orbit MCR/ECR Technical Manual MDS 05-6632A01, Rev. F
Depending on the interfaces ordered, the NIC1 and NIC2 slot can be populated with a Cellular modem, a
WiFi interface, LnRadio interface, or an NxRadio interface. Described in Table 2-5 and Table 2-6 below,
are the possible NIC1 and NIC2 LED combinations based on the product configuration ordered.
Table 2-5. MCR NIC LED Descriptions
Lic. Narrowband (LnRadio)
Lic. Narrowband (LnRadio)
Lic. Narrowband (LnRadio)
Lic. Narrowband (LnRadio)
Table 2-6. ECR NIC LED Descriptions
Lic. Narrowband (LnRadio)
Lic. Narrowband (LnRadio)
2.6 Grounding Considerations
To minimize the chance of damage to the unit and its connected equipment, a safety ground (NEC Class 2
compliant) is recommended, which bonds the chassis, antenna system(s), power supply and connected
data equipment to a single-point ground, keeping all ground leads as short as possible.
Normally, the unit is adequately grounded if mounted with the flat brackets to a well-grounded metal
surface. If the unit is not mounted to a grounded surface, it is recommended that a safety ground wire be
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