HP 5062-3054 - Active distribution panel (ADP II) - External MUX panel - Has eight 25-pin RS-232C ports Retail
HP 5063-2771 - Active distribution panel (ADP) - External MUX panel - Has eight 25-pin RS-422 ports Retail
HP 5062-3066 - Direct distribution panel (DDP) - External MUX panel - Has eight 25-pin RS-232C ports - (Part of J2092A or J2093A) Retail
HP 5181-2085 - Direct distribution panel (DDP) - Rack mountable panel with eight 25-pin RS-232C or RS-423A direct connect ports Retail