CA-8PP5-823-B-CA-8PP6-812-B Description CA-8PP5-823-B 19°1U STP Cat5e Blank Patch Panel 24 Ports Use for STP Keystone Jacks. CA-8PP6-812-B 19°1U STP Cat6 Blank Patch Panel 24 Ports Use for STP Keystone Jacks.