Nortel 10ft RJ-21 Female to DB9 Male and ELAN CLAN RJ-45 Multi I/O Dual Ethernet Adapter Cable Assembly NTRH0912.
Connectors: IPE slot 50-pin Amphenol (RJ-21) Female / RS-232 DB9 Male, ELAN CLAN with RJ-45
Length: 10ft
Type: Serial Interface Cable
Features: Amphenol Position Female Telco Connector P/N: 157-82500-3