TDP SQL 6.4 configuration

Hi All,

I have SQL2012 installed windows machine, I he configured first instance using MMC, now I want to create second instance, MMC is not allowing to create another opt and cfg file. Please let me know how to create second instance how second instance backup can be initiated.
Frist node details.
node name - ews-pgh1-sqls5_sqldbj

sqls5_sqldbj.opt
sqls5_sqldbj.cfg
qldbj_full.cmd _ how command needs to be given to backup ???

Second node should be created with below details. Please help me to create second instance.???

node name - eews-pgh1-sqls5_sqldbm
sqls5_sqldbm.opt
sqls5_sqldbm.cfg
sqldbm.cmd - how second instace backup can be initiated ???