RAD Data comm ASMi-52 Manuel D’Utilisation
Appendix A Interface Connector Specifications
Installation and Operation Manual
A-4
CONTROL Connector
ASMi-52 Ver. 2.5
A.2 CONTROL Connector
The control terminal interface terminates in a V.24/RS-232 9-pin D-type female
connector that can be configured as DCE or DTE (see the
connector that can be configured as DCE or DTE (see the
Selecting the Control
Port Interface
section in Chapter 4).
Table A-4
lists the CONTROL connector pin
assignments.
Table A-5
describes the control signal direction.
Table A-4. CONTROL Connector Pinout
Pin
Function
1
Data Carrier Detect (DCD)
2
Receive Data (RD)
3
Transmit Data (TD)
4
Data Terminal Ready (DTR)
5 Ground
(GND)
6
Data Set Ready (DSR)
7
Request To Send (RTS)
8
Clear To Send (CTS)
9
Ring Indicator (RI)
Table A-5. CONTROL Connector Signal Direction
Interface Type
Control Signal
DCE DTE
CTS Out Not
Used
DCD Out Out
DSR Out Out
DTR In
In
RI Not
Used
In
RTS In
In
When connected and turned on, the terminal sets the DTR line ON (active) to gain
control over ASMi-52 and starts a configuration or monitoring session.
control over ASMi-52 and starts a configuration or monitoring session.
When connecting a dial-out modem to the CONTROL port for the alarm
reporting, a cross cable must be used.
reporting, a cross cable must be used.
Table A-6
provides the pinout of a typical
cross cable with two male DB-9 connectors.
Note