Specifications

Table Of Contents
Appendix A Connection Data MX-2100/2104 Installation and Operation Manual
A-2 Supervisory Port Connector
Table A-1. Common Logic Module KCL.2, Supervisory Port Connector Pin Allocations for DCE
Emulation (Cont.)
Pin Designation Direction Connected to
Terminal
with 25-pin
Connector
5 Signal Ground (SIG) Common reference and DC power supply ground. Can
be isolated from chassis ground (AA) (strap-selectable)
7
6 Data Set Ready From MX-2100 6
7 Request to Send (RTS) To MX-2100 4
8 Clear to Send (CTS) From MX-2100 5
9 Ring Indicator (RI) To MX-2100 22
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.
Table A-2. Common Logic Module KCL.2, Supervisory Port Connector Pin Allocations for DTE
Emulation
Pin Designation Direction Function
1 FGND Frame ground
2 TD IN TX data
3 RD OUT RX data
4 DCD IN Carrier detect
5 CTS Not connected
6 DTR OUT Data terminal ready
7 SGND Signal ground
8 RTS OUT Request to send
9 +12V OUT See Note below
10 -12V OUT See Note below
11 RELAY M IN/OUT Alarm relay NC contact
12 RELAY F IN/OUT Alarm relay common
13 RELAY B IN/OUT Alarm relay NO contact
14 ALARM OUT Alarm indication
20 DSR IN Data set ready
25 RI IN Ring indicator
Note