273b4d9a_tion_Services_Routers____Cisco_ot_counters_Field_Descriptions_Description
[Field] SPA type [Description] 
Description of SPA including the technology type, number of ports, height of SPA (HHSPA—single height, FHSPA—double height), and optics type.
Cisco ASR 9000 Series Aggregation Services Router System Management Command Reference, Release 4.2.x - Hardware Redundancy and Node Administration Commands on the Cisco ASR 9000 Series Router [Cisco ASR 9000 Series Aggregation Services Routers] - Cisco