Specifications
Typical system oscillator pull-ranges:
n TCXO 1E-6 (1 ppm)
n OCXO 5E-7 (0.5 ppm)
n Rubidium 1E-9 (1 ppb)
Note: If the inbound signal is too noisy, the Hardware Clock may not lock to it.
Selectable Time Code Input Formats:
n IRIG B AM
n IRIG-B
n IRIG-B (Legacy TrueTime)
n IRIG-B with IEEE 1344 extensions
n Auto
Sysplex Out
Summary:The Sysplex Timer port outputs serial time strings for IBM mainframe Sysplex sys-
tems. The Sysplex Timer provides a common time reference across all the members of an IBM
Sysplex. The Sysplex Timer is a key component when systems on multiple CPCs share access to
the same data. Also see TIMING - Sysplex (on page 47).
Description:Sysplex Out is a male 9-pin D connector mounted on the rear chassis that transmits
Time of Day (TOD) with carriage return on time to an attached Sysplex-compatible device. Con-
figured as DTE (Data Terminal Equipment). Configurable via the Web interface. Sysplex typ-
ically uses a "null-modem" serial cable (not supplied) for interconnection with other Sysplex
equipment.
Connector:male 9-pin (Sysplex Out)
Data Rates:9600 bps
Parity:Even, Odd, or None
Data Bits:8
Stop Bits:1
Pin Assignment:
n 1N/C
n 2Rx
n 3Tx
n 4N/C
n 5GND
n 6N/C
n 7RTS
n 8CTS
n 9N/C
Format:IBM 9037 Sysplex Timer (First Protocol)
Level:RS-232
Accuracy:<10 mS RMS
Page 94..........................................................................997-01520-02 Rev. G2
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