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
Ω
, 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. 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