MDS MX-2104 Specifikace stáhnout pdf (Strana 140)

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)

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

Ω

, 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

1 2 ... 135 136 137 138 139 140 141 142 143 144 145 ... 242 243

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MDS MX-2104 Specifikace Strana 140