Nortel-networks Instant Internet 400 Unit Bedienungsanleitung PDF herunterladen (Seite 55)

Appendix B Adapter cable pinout diagrams 55

Setting Up the BayStack Instant Internet 400 Unit

X.21 (DCE) adapter cable

Figure 8 shows the pinout settings for an X.21 modem adapter cable (part number

CQ2118004).

Figure 8 X.21 (DCE) adapter cable diagram.

1

2

4

3

5

8

15

17

24

7

14

19

16

10

13

9

12

11

1

2

3

4

5

6

7

8

9

10

11

12

13

14

GND

TDA

RTA

RDA

CTSA

RCA

ETCA

SGND

TDB

RTB

RDB

CTSB

RCB

ETCB

DTE

DB25M DV15M (X.21 VF)

9109EB

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