ADC UTU-701C Manuel D’Utilisation

This section lists the pinouts for the ETU-751C rear panel connectors and the ECA-80x connector adapters.

The pinouts for the ETU-751C rear panel connectors are listed in 

 and 

4

HDSL_RING_A

HDSL Loop 1 (Ring)

9

HDSL_TIP_A

HDSL Loop 1 (Tip)

1

HDSL_RING_B

HDSL Loop 2 (Ring)

6

HDSL_TIP_B

HDSL Loop 2 (Tip)

(a)

 

All other pins are not used. Pins 1 and 6 not used on single-pair HDSL cards.

7

Signal Ground

SG

SG

SG

2
14

Send Data

SD_A
SD_B

SD_A
SD_B

T_A
T_B

Input

3
16

Receive Data

RD_A
RD_B

RD_A
RD_B

R_A
R_B

Output

15
12

Send Timing

SCT_A
SCT_B

ST_A
ST_B

S_A
S_B

Output

17
9

Receive Timing

RCT_A
RCT_B

RT_A
RT_B

not used

Output

24
11

Terminal Timing

SCTE_A
SCTE_B

TT_A
TT_B

TT_A
TT_B

Input

5
13

Clear to Send

CTS

CTS

not used

Output

6
22

Data Set Ready

DSR

DSR

not used

Output

8
10

Received Line Signal Detect

RLSD

RLSD

I_A
I_B

Output

25

Test Mode

TM

TM

not used

Output

4
19

Request to Send

RTS

RTS

C_A
C_B

Input

20
23

Data Terminal Ready

DTR

DTR

not used

Input

18

Local Loopback

LL

LL

not used

Input

21

Remote Loopback

RL

RL

not used

Input

(a) All other pins are not used.