"Rj-21 Connector - Cisco 6509 - Catalyst Chassis Switch Installation Manual

Module Connectors
Figure B-11 RJ-45 Interface Cable Connector
Pin 1
Pin 8
Category 5e and Category 6 cables can store large levels of static electricity because of the dielectric
Caution
properties of the materials used in their construction. Always ground the cables (especially in new cable
runs) to a suitable and safe earth ground before connecting them to the module.
To comply with GR-1089 intrabuilding, lightning immunity requirements, you must use foil twisted-pair
Caution
(FTP) cable that is properly grounded at both ends.
RJ-21 Connector
The RJ-21 connectors (shown in
for 12 ports.
The RJ-21 connector for the WS-X6624-FXS module has pins for 24 ports. See the
Note
(WS-X6624-FXS Only)" section on page
If the symbol of suitability with an overlaid cross appears above a port, you must not connect the
Warning
port to a public network that follows the European Union standards. Connecting the port to this type
of public network can cause severe personal injury or can damage the unit. Statement 1031
To connect to 10/100BASE-TX RJ-21 telco interfaces, use Category 5 UTP cables with male RJ-21
connectors, as shown in
connector, but the pinout arrangement is different than the 10/100BASE-TX.
Catalyst 6500 Series Switches Installation Guide
B-18
Appendix B
RJ-45 (both ends)
Figure B-12) are used on telco modules. Each RJ-21 connector has pins
B-21.
Figure B-12. The WS-X6224-FXS analog interface module also uses an RJ-21
Transceivers, Module Connectors, and Cable Specifications

"RJ-21 Connector

OL-5781-04