PANASONIC AVIONICS CORPORATION
Enhanced Cell Modem
ASC-AA8190-01
PROPRIETARY AND CONFIDENTIAL
PAGE 13 OF 22
4.0 FUNCTIONS
4.1 Functionality and Interface Characteristics
The Enhanced Cell Modem (eCM) is a component of the GCS/eXConnect system designed to provide
cellular and wireless data bridge from aircraft to ground network server for gatelink application. The eCM
communicates with other head-end equipment through dual ports copper gigabit Ethernet and serves as
wireless-to-wired network switch, routing media content, application software and service data.
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The eCM supports the following Functions:
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Offloads cached credit card transaction data.
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Offloads BITE data.
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Loads media content.
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Loads and monitors Digital Rights Management (DRM) key.
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The eCM has the following interfaces:
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One 1000Base-T Ethernet port to headend server.
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One 1000Base-T Ethernet port for redundant loopback port or daisy-chained Ethernet port
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One cell modem card.
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Two external 2x2 MIMO cellular antennas.
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One integrated 802.11 a/b/g/n/ac wireless adapter.
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Three external 3x3 MIMO wireless antennas.
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One smart card.
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Two“plug-in” UICC SIM Card slots.
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One SSD to store media content.
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One real-time clock.
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Three modem enable discrete inputs 1, 2a, 2b.
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One Battery Pack Radio Enable discrete input (Optional).
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One pass through Remote Off discrete from J1 to J2.
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One pass through RF Disable discrete from J1 to J2.
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One Maintenance Enable discrete input.
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Three spare discrete inputs.
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One RS-232 port for maintenance.
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AC power input from aircraft.
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DC power input from aircraft / Battery Pack power input.
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Battery Pack RS-485 interface.
