I have a Catalyst 1900 WS-C1900 switch , wich console connection is 9 pin connector not RJ-45.I am connecting with regular rollover cable with two DB-9 adapters on both ends.I get to diagnostic screen just fine , but when I try to go to the next step...

I have a Catalyst 1900 (WS-C1900) Switch (very old) with no Operating software in it.Can anyone help me locating software for it ? it should be version 5.37.I've tryed to install the version from the Cisco site (ver.9.00) but the switch refused to ac...