Installation guide

Cabling Specifications A-69
Serial Cables
EIA-530 Dual Serial Module Cable Assembly
Figure A-12 shows the dual serial module EIA-530 cable assembly and Table A-24 lists the
EIA-530 DTE serial cable pinouts. Arrows indicate signal direction: —> indicates DTE to
DCE, and <— indicates DCE to DTE.
– Not used
Not used
Twisted pair #7 – Not used
Not used
–
– Not used
Not used
Twisted pair #8 – Not used
Not used
–
– Not used
Not used
Twisted pair #9 – Not used
Not used
–
Table A-23 Low-Speed X.21 DCE Compact Octal Serial Cable Pinouts
(Continued)
Router End (200-Position Plug) Network End (15-Pin Connectors)
Pin Signal Note Direction Signal Pin