MDS MX-2104 Dokumentacja Strona 141

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MX-2100/2104 Installation and Operation Manual Appendix A Connection Data
MNG Connector A-3
Pins 9, 10 are connected to the +12V and -12V lines through a 300
, 1/2W series
resistor.
Direction: IN - input to MX-2100
OUT - output from MX-2100.
A.3 MNG Connector
The MNG connector is a 9-pin female connector, intended for direct connection
to a dial-up modem:
The connection of the MNG connector to a dial-up modem terminal having a
9-pin connector is made by means of a straight cable.
The connection to a dial-up modem with 25-pin connector should be made
using a cable wired in accordance with the Connection to Dial-up Modem
with 25-pin Connector column of Table A-3.
Table A-3. Common Logic Module KCL.2, MNG Connector Pin Allocations
Pin Line Direction Connection to Dial-Up
Modem with 25-pin
Connector
1 Data Carrier Detect (DCD) IN 8
2 Receive Data (RD) IN 3
3 Transmit Data (TD) OUT 2
4 Data Terminal Ready (DTR) OUT 20
5 Signal Ground (SIG) Common reference and
DC power supply ground
7
6 Data Set Ready IN 6
7 Request to Send (RTS) OUT 4
8 Clear to Send (CTS) IN 5
9 Ring Indicator (RI) IN 22
Note
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