Black Box LR5100A-T Manual do Utilizador descarregar pdf (Página 90)

Interface Pinouts

V.24 & RS232C Link Pinouts

The connector shown here and pinouts described here correspond to the connector labeled

“RS232 / V.24” on the back of the unit.

DB25 Female DTE

Contact

Number

CCITT

Circuit

Number

Circuit Circuit

Name

Direction

To From

DCE DCE

1 101 AA Protective Ground NA

2 103 BA Transmitted Data X

3 104 BB Received Data X

4 105 CA Request to Send X

5 ----------

6 107 CC Data Set Ready X

7 102 AB Signal Ground NA

8 109 CF Received Line Signal Detector (CD) X

9 ----------

10 ----------

11 ----------

12 ----------

13 ----------

14 ----------

15 114 DB Transmit Signal Element Timing (DCE

Source)

16 ----------

17 115 DD Receive Signal Element Timing (DCE Source) X

18 141 Local Loopback X

19 ----------

20 108.2 CD Data Terminal Ready X

21 ----------

22 125 CE Ring Indicator X

23 ----------

24 113 DA Transmit Signal Element Timing (DTE Source) X

25 ----------

Figure D-5 RS232 Link Pinouts

The connecting cable must be a shielded cable.

NOTE For U.K. Approval:

The connecting cable may be any length between 0 and 5M. Each end must be terminated in

a male 25 pin X.21 bis connector as defined in ISO-2110 1989.

1 2 ... 85 86 87 88 89 90 91 92 93 94 95 96 97 98

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