User`s manual

APPENDIX C

X.2 1

/EIA-530

(EIA-422)

Daughterboard

(SYNC/57Oi)

x.21

coMecmrsandcabuflg

The

cable included in the

SYNW57Oi

X.21 package has a DB-44 male

connector on the board end, and two DB-15 male connectors on the

peripheral end. The

connectors

provide a X21 interface and serial data

transmission and reception. The

pinout

is shown in Figure 12 and the pin

assignments for the DB-15 connector are shown in Figure 13.

Fgum

12,CabkDB-15makconnechx

pinout