Standard Inputs And Outputs; Serial I/O Port; Net - Network Port - Symmetricom XLi User Manual

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Standard Inputs and Outputs

The following specifications describe the standard (as opposed to optional) inputs and outputs on the
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standard configuration of the XLi.

Serial I/O Port

The standard serial data port is a bi-directional EIA standard RS-232C interface. The serial data port is
configured via the Keypad / Display and Standard network port.
Interface:
Data Rates:
Data Bits:
Parity:
Stop Bits:
Connector:
Pin Assignment:
Factory settings:
Note:
Parity - NONE is only available/valid when Data Bits is set to 8.
See "F4 – Serial Port Configuration" on page 52.
NET – Network Port
The Ethernet port interface has a standard RJ-45 connector that provides IEEE 802.3 frame 10/100
Base-T Ethernet. The XLi can optionally be factory configured as a Network Time Protocol (NTP) server,
which can be used to synchronize client computer clocks over a network. This function is only available
with GPS and IRIG B input.
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RS-232 or RS-422
1200, 2400, 4800, 9600 and 19200 bps
7 or 8
even, odd, or none
1 or 2
Male 9-pin D subminiature
1------N/C
2------Rx (RS-232)
3------Tx (RS-232)
4------N/C
5------GND
6------Rx- (RS-422)
7------Rx+ (RS-422)
8------Tx- (RS-422)
9------Tx+ (RS-422)
9600, 8, N, 1
See "F100 – Network Port Configuration & XLi Firmware" on page 117.
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XLi Time & Frequency System
XLi-man, Issue 8, 6/17/2008, Rev. H
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