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LBI-39224
6-3
4. Connect the NETCLOCK/2 to an unused CEC/IMC Manager
COM port. See the cable wiring diagrams that follow.
The NETCLOCK/2 has two RS-232 serial ports. One is an output that
transmits the 26-character ASCII time/date data once each second in
Format 0 or Format 1. This is called the 1/sec interface or the
"REMOTE OUTPUT."
The other port responds to commands from the CEC/IMC Manager by
transmitting a 26-character ASCII time/date data in Format 0, Format 1,
or Format 2. This port transmits the data on the next even second after
receiving an ASCII "T" from the CEC/IMC Manager. This is the T-
CMD or "SERIAL COM" port. Refer to the section of the
NETCLOCK/2 instruction manual concerning NETCLOCK/2 data
formats for additional details.
6.2.1 Hardware Installation Notes
TIME DATA FORMAT − Select the required data format:
– FORMAT 0 − No date setting.
– FORMAT 1 − Date setting available.
– FORMAT 2 − Only available when using the T-CMD
interface. Must use the Time Zone Correction setting
at the CEC/IMC Manager. No date setting capability.
T-CMD Interconnections
The T-CMD interface (RS-232) requires a 9-pin male connector at the
NETCLOCK/2. The CEC/IMC Manager end may be either 9-pin
female or 25-pin female, depending on the specific configuration of the
PC. (See Figure 59 below.)