Wholesale DB9 to RJ45 Serial Adapter DB-9 Female to RJ-45 Female and DB9 Male to RJ45 Female Ethernet Converter (2 Pack, DB9-F to RJ45-F a From m.alibaba.com
Amazon.com: LFHUKEJI RJ45 to DB9, DB9 9-Pin Serial Port Male to RJ45 Female Cat5 Ethernet LAN Console Cable 9.8Ft : Industrial & Scientific
Adapter Serial RS232 DB9 to RJ45 Console for Efficient Business Router 5851 | eBay
PLM DB9 -> RJ45 Serial Cable (for Polisy) - Polisy - Universal Devices Forum