Communication Port 1 - Symmetricom TimeSource 3600 User Manual

Communication Port 1

To provide an RS-232 link for TL1 command access to the TimeSource 3600,
connect to port 1 at the female 25-pin D connector labeled COM1. See
for the location of the connector. See
Note: The COM1 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.
Table 3-4. COM1 Pinouts
Pin
2 Transmit data
3 Receive data
4 Request to send
5 Clear to send
7 Signal ground
20 Data terminal ready
Note: Pins not listed are reserved for future use.
Communication Port 2
To provide an RS-232 link for TL1 command access to the TimeSource 3600,
connect to port 2 at the female 9-pin D connector labeled COM2. See
for the location of the connector, and
Note: The COM2 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.
097-72060-01 Revision J – June, 2007
Table 3-4
Signal Abbreviation
TXD
RXD
RTS
CTS
GND
DTR
Table 3-5
Chapter 3 Installing the TimeSource 3600
for the connector pinouts.
Direction
From TimeSource 3600
To TimeSource 3600
From TimeSource 3600
To TimeSource 3600
—
From TimeSource 3600
for the connector pinouts.
TimeSource 3600 User's Guide
Installing the Shelf
Figure 3-14
Figure 3-14
91