The Edited Option / Module List 21-APR-83 Page 620, 621 says:
RP11 CONTROL FOR 8 RP02 OR RP03
RP11-CA CONT,CAB FOR 8 RP03-AS (20M 16BIT WORDS) 120V
RP11-CB CONT,CAB FOR 8 PR03-BS (20M 16BIT WORDS) 240V
RP11-E RPR02 CONTROL
RP11-EA RPR02 & RP03 CONTROL & H950 CAB,120V
RP11-EB RPR02 & RP03 CONTROL & H950 CAB,240V
RPR02-AM MEMOREX REFURBISHED RP02 (BETTER SPECS) 60HZ
RPR02-BM MEMOREX REFURBISHED RP02 (BETTER SPECS) 50HZ