3
TimeSource 3100 79
Installation
097-72020-01 Issue 9: November 2003
2
5
3
SSSSSSSSSSS SSSS S SSSSS SSSS SSS S SSS S SSSSS S
Communication Port 1
To provide an RS-232 link for TL1 command access to the TimeSource 3100, connect to
port 1 at the female 25-pin D connector labeled COM 1. See Figure 13 for the location of the
connector. See Table F for the connector pinouts.
Note: The COM 1 connector transmits data on pin 2, and receives data on pin 3. Be sure the
other equipment receives data from the transmitting pin, and transmits data to the receiving
pin.
Note: Pins not listed are reserved for future use
Table F. COM1 Pinouts
Pin Signal Abbreviatio
n
Direction
2 Transmit data TXD From TimeSource
3100
3 Receive data RXD To TimeSource 3100
4 Request to send RTS From TimeSource
3100
5 Clear to send CTS To TimeSource 3100
6 Data set ready DSR To TimeSource 3100
7 Signal ground GND —
20 Data terminal ready DTR From TimeSource
3100
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