Function: ARM
Models: R–2000i A/200FO, 130U
Function: AS (USER/SIGNAL)
Models:R–2000i A/165R, 200R,100P
Function: AP (USER/POWER)
Models: R–2000i A/165R, 200R,100P
Function: DNS (SIGNAL)
Function: DNP (POWER)
Function: I/O
Function: ARP
Models: R–2000i A/165CF