Connecting To Communication Port 2; Connecting Alarm Outputs; Com 1 Connector Pinout - Symmetricom TimeSource 3100 User Manual

Connecting to Communication Port 2

To provide an RS-232 link for TL1 command access to the TimeSource 3100,
connect to port 2 at the female 9-pin D connector labeled COM2. See
the location of the connector, and
Note: The COM 2 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 3-6. COM 1 Connector Pinout
Pin
2 Transmit data
3 Receive data
5 Signal Ground
6 Data terminal ready
7 Clear to send
8 Request to send
Note: Pins not listed are reserved for future use.

Connecting Alarm Outputs

Connect the TimeSource 3100 alarms to the office alarm panel at the critical (CR),
major (MJ), and minor (MN) wire-wrap pins. See
alarm pins, and
Connect at the upper group of pins (AUD) for audible alarms and at the lower group
of pins (VIS) for visible alarms. Connect the alarm circuit between the NO and C
pins for normally open contacts, or between the NC and C pins for normally closed
contacts.
097-72020-01 Revision K – December 2005
Table 3-6
Signal Abbreviation
TXD
RXD
GND
DTR
CTS
RTS
Figure 3-21 for the connections.
Chapter 3 Installing the TimeSource 3100
Making Cable Connections
for the connector pinouts.
Direction
From TimeSource 3100
To TimeSource 3100
—
From TimeSource 3100
To TimeSource 3100
From TimeSource 3100
Figure 3-8 for the location of the
TimeSource 3100 User's Guide
Figure 3-8 for
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