OPTICAL MASTER UNIT MARK I
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless – Coverage Date: 4-Jan-18 www.cobham.com/wireless
Document number:A1829300UM Rev. 3.1
Page | 7
1.4.3 6-Way UL/DL RF Simplex Interface Cards
Optional cards used to implement multi-sectors:
• The cards are supplied in pairs (UL and DL)
• Provide the interface between up to six (UL/DL) RF
sources (from Cobham Wireless Point-of-Interface
system) to up to six OMU I Optic Converter Modules.
• Each DL/UL connector corresponds to a specific optic
module (1
st
pair to Optic module in slot 1, 2
nd
pair to
optic module in slot 2, etc.).
• Allows for Front Panel connection to RF sources
• See section 3.12.3 for more information.
Figure
functions:
• Supports RS232 port for local connection
• Supports an Ethernet port for Ethernet connection
• For units with a modem - SIM card tray
• Manages and controls the OMU and transmits alarms
to the control center
• RS232 port for local setup
• Includes a Real Time Clock (RTC) with a dedicated
backup battery.
Figure
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