Function: AS (USER/SIGNAL)
Models: R–2000i A/165F, 200F,210F, 125L
Function: AP (USER/POWER)
Function: DNS (SIGNAL)
Models: R–2000i A/165F, 200F, 210F, 125L
Function: DNP (POWER)
Function: I/O
Function: J123 OT
Function: ARP
Function: ARM
Models: R–2000i A/200FO, 130U
Models: R–2000 A/200FO, 130U