User manual

Installation

ADPRO FastTrace, Issue 5 1 - 11

1.10.1 COMMS 1

COMMS 1 is a serial communications port and is used to connect to modems and terminal adaptors to support PSTN

and ISDN links at data rates up to 230Kbps. The 25-pin D connector pins are wired as shown in the Table 1-1 below:

Table 1-1 - COMMS1 25-pin D connector pins

1.10.2 COMMS 2

COMMS 2 is used to connect to modems and terminal adaptors to support PSTN and ISDN links at data rates up to

230Kbps. It can also be used to access the ADPRO FastTrace setup menu and to upgrade the software when connected

to a PC or laptop computer via a null-modem cable link. The 9-pin D connector pins are shown.

Table 1-2 - 9-pin D connector pins

PIN SIGNAL DESCRIPTION PIN SIGNAL DESCRIPTION

1 SGND Shield 14

2 TXD_A Transmit Data 15 SCT_A DCE Transmit Clock

3 RXD_A Receive Data 16

4 RTS_A Request to Send 17 RXC_A DCE Receive Clock

5 CTS_A Clear to Send 18

6 DSR_A Data Set Ready 19

7 GND Signal Ground 20 DTR_A Data Terminal Ready

8 DCD_A Carrier Detect 21 RL_A Remote Loopback

922RI RI function

10 23

11 24 TXC_A DTE Transmit Clock

12 25

PIN SIGNAL DESCRIPTION

1 DCD Carrier Detect

2 RXD Receive Data

3TXDTransmit Data

4DTRData Terminal Ready

5GNDGround

6DSRData Set Ready

7RTSRequest to send

8CTSClear to send

9RIRing Indicator