Installation Manual
62
Document #: LTRT-94704
Mediant 3000 & IPmedia 3000
Table
3-7: Alarm Terminal Block Pin Details
Pin
Pin
Description
1 - Common
2 – Normally Open (N.O)
“CRT” (Critical Alarm)
3 - Common
4 – N.O.
“MJR” (Major Alarm)
5 - Common
6 – N.O.
“MNR” (Minor Alarm)
7 – Alarm In
8 – GND
“IN” (User Alarm In)
It is recommended to provide a dual-redundant solution by wiring the two PEMs' alarm
terminal blocks to the alarm device, as shown in the figure below:
Figure
3-16: Normal Logic Alarm Connection (Redundancy Scheme)
3.3.6
Connecting the RS-232 Port to a PC
For RS-232 interface, a crossover RS-232 cable adapter (of approximately two meters) is
supplied. This cable adapter provides a 3-pin connector for connecting to the 6310/8410
blade's RS-232 port (located on the front panel) and a DB-9 connector (on the other end of
the cable) for the COM1 or COM2 RS-232 communication port on your PC.
¾
To connect the device's RS-232 port to your PC:
1.
Plug the RS-232 cable adapter's 3-pin connector into the RS-232 port (labeled
1010
),
located on the blade's front panel.
2.
Connect the DB-9 female connector (on the other end of the RS-232 cable adapter) to
your PC's COM1 or COM2 port.
Figure
3-17: RS-232 Cable Adapter (Supplied)
Note:
The RS-232 port is not intended for permanent connection.
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