Cabletron Systems 520 - Manual (Page 98)

Product Specifications
C-4
Connectors
Table C-4 provides a list of connectors for the SSR-510 and SSR-520.
Table C-4: Connectors for the SSR-510 and SSR-520
Connectors Quantity
8-pin MJ 10BaseT twisted pair connector 2
50-pin WAN connector 2