Pin Assignments

EIA-530-A Port Interface Connector

The EIA-530-A Port interface connector information is shown in Table D-4.

Table D-4. EIA-530-A Port Interface Connector

Signal

CircuitCCITT

Direction

Pin

MnemonicNumber

 

 

 

 

 

Shield

1

 

 

 

 

 

Signal Common

AB

102A

7

 

 

 

 

 

Signal Common

AC

102B

23

 

 

 

 

 

Transmitted Data

BA

103

To DSU/CSU

2 (A)

 

 

 

 

14 (B)

 

 

 

 

 

Received Data

BB

104

From

3 (A)

 

 

 

DSU/CSU

16 (B)

 

 

 

 

 

Request-to-Send

CA

105

To DSU/CSU

4 (A)

 

 

 

 

19 (B)

 

 

 

 

 

Clear-to-Send

CB

106

From

5 (A)

 

 

 

DSU/CSU

13 (B)

 

 

 

 

 

Received Line Signal

CF

109

From

8 (A)

Detector

 

 

DSU/CSU

10 (B)

 

 

 

 

 

DCE Ready

CC

107

From

6

 

 

 

DSU/CSU

 

 

 

 

 

 

DTE Ready

CD

108/1, /2

To DSU/CSU

20

 

 

 

 

 

Transmit Signal Element

DA

113

To DSU/CSU

11 (B)

Timing (DTE Source)

 

 

 

24 (A)

 

 

 

 

 

Transmit Signal Element

DB

114

From

12 (B)

Timing (DCE Source)

 

 

DSU/CSU

15 (A)

 

 

 

 

 

Receiver Signal Element

DD

115

From

17 (A)

Timing (DCE Source)

 

 

DSU/CSU

9 (B)

 

 

 

 

 

Local Loopback

LL

141

To DSU/CSU

18

 

 

 

 

 

Remote Loopback

RL

140

To DSU/CSU

21

 

 

 

 

 

Test Mode

TM

142

From

25

 

 

 

DSU/CSU

 

 

 

 

 

 

D-8

August 2000

3162-A2-GB20-40