Moseley NXE1-20, User Manual, Page: 56 / 81

Front Panel Operation 3-26
602-95555-01 Rev A NXE1-20 Digital Radio
QAM Modem Configure (continued)
QAM Interface
Intfc
DTE Trnk
TX CLOCK
Clk Src Recov
Clk Ph Norm
TX Clk Out
Clk Ph Norm
RX Out
Data Src Norm
Clk Src Norm
Clk Ph Norm
Qmdm
FVERS 1.5
XVER 2.1
Function Settings Summarys
Interface Trunk
Radio (bkpln) Uses Trunk for I/O.
Uses Backplane for I/O.
Clk Src (Tx
Clock)
Internal, EXT TXC,
EXT RXC,
Recovered
Clock source of the Transmitter.
Clk Ph (Tx
Clock) Inverted, Normal Clock Phase of the Transmitter.
Clk Ph (Tx
Clock Out) Inverted, Normal Clock Phase of the Transmitter Clock Out.
Data Src (Rx
Out) Norm, RPT, Loop Data Source of the Receiver Out. Normal means the
source is either BKPLN or TRNK; RPT sets the radio to
Repeater; Loop sets the radio to loopback mode.
Clk Src (Rx
Out)
Internal, EXT TXC,
EXT RXC, Recov
Clock Source of the Receiver Out.
Clk Ph (Rx Out) Norm, Inverted Clock Phase of the Receiver Out.
Fvers
Xvers
Internal is the internal clock of the NXE1-20; EXT TXC is the External Transmit Clock; EXT
RXC is the External Receive Clock; Recovered is the recovered clock from the receiving RF.
NOTE: See the User Clock Options Conceptual Diagram in Figure 3 -4 below for clarification.
3.4.19.1 Typical Configuration
A typical installation of NXE1-20 Digital Radios involves configuring each NXE1-20 as either Data
Communications Equipment (DCE) or as Data Terminal Equipment (DCE), as illustrated below: