Verilink WANsuite 5650 (34-00314.E) Product Manual Manual de usuario descargar pdf (Pagina 67)

A-7

Connector Pin Assignments

Serial Interface Pin Assignments (DCE Mode)

The table below displays Serial Interface Pin Assignments for the DCE Mode.

Function

Abbrev.

Direction

DB-25*

V.35

V.36

X.21

Frame Ground

n/a

Transmit Data

Input

Receive Data

Output

Request to Send

RTS

Input

Clear to Send

CTS

Output

Data Set Ready

DSR

Output

Signal Ground

n/a

Data Carrier Detect

DCD

Output

Secondary Receiver Clock

(S)RC

Output

Secondary Data Carrier Detect

(S)DCD

Output

Secondary External Transmitter Clock

(S)ETC

Input

Secondary Transmitter Clock

(S)TC

Output

Secondary Clear to Send

(S)CTS

Output

Secondary Transmit Data

(S)TD

Input

Transmitter Clock

Output

Secondary Receive Data

(S)RD

Output

Receiver Clock

Output

Local Loopback

Loop 3

Input

Secondary Request to Send

(S)RTS

Input

Data Terminal Ready

DTR

Input

Remote Loopback

Loop 2

Input

Secondary Data Set Ready

(S)DSR

Output

Secondary Data Terminal Ready

(S)DTR

Input

External Transmitter Clock

ETC

Input

Test Indicator

Output

Function

Abbrev.

Direction

DB-25*

V.35

V.36

X.21

1 2 ... 62 63 64 65 66 67 68

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Verilink WANsuite 5650 (34-00314.E) Product Manual Manual de usuario Pagina 67

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