Possible ACS configurations for Low-speed Samplers

Assuming always dual-polarizations.
The primary sampler selection is given; in many cases alternate samplers are possible.
Sampler groups defined as: G1 = (1-8); G2 = (9-16); G3 = (17-24); G4 = (25-32)

ACS mode as function of IF/Beam selection.
NIFS	Beams	NSamp	ACS Modes	Levels	#samp/bank (group)	ACS Channels
1	B1	2	A1 A2 A4 A1 A2 A4	3-lev 3-lev 3-lev 9-lev 9-lev 9-lev	2 (G1)	32768 65536 131072 8192 16384 32768
1	B2	2	same as for B1		2 (G3)
1	B3	2	same as for B1		2 (G2)
1	B4	2	same as for B1		2 (G4)
1	B12	4	A1_B1 A2_B2 A1_B1 A2_B2	3-lev 3-lev 9-lev 9-lev	2 (G1_G3)	32768 65536 8192 16384
1	B34	4	same as for B12		2 (G2_G4)
1	B1234	8	A1_B1_C1_D1 A1_B1_C1_D1	3-lev 9-lev	2 (G1_G2_G3_G4)	32768 8192
2	B1	4	A1 A2 A4 A1 A2 A4	3-lev 3-lev 3-lev 9-lev 9-lev 9-lev	4 (G1)	16384 32768 65536 4096 8192 16384
2	B2	4	Same as 2 IFs, B1		4 (G3)
2	B3	4	Same as 2 IFs, B1		4 (G2)
2	B4	4	Same as 2 IFs, B1		4 (G4)
2	B12	8	A1_B1 A2_B2 A1_B1 A2_B2	3-lev 3-lev 9-lev 9-lev	4 (G1_G3)	16384 32768 4096 8192
2	B34	8	Same as 2 IFs, B12		4 (G2_G4)
2	B1234	16	A1_B1_C1_D1 A1_B1_C1_D1	3-lev 9-lev	4 (G1_G2_G3_G4)	16384 4096
4	B1	8	A1_B1 A2_B2 A1_B1 A2_B2	3-lev 3-lev 9-lev 9-lev	4 (G1_G2)	16384 32768 4096 8192
4	B2	8	same as 4 IFs, B1		4 (G3_G4)
4	B3	8	same as 4 IFs, B1		4 (G1_G2)
4	B4	8	same as 4 IFs, B1		4 (G3_G4)
4	B12	16	A1_B1_C1_D1 A1_B1_C1_D1	3-lev 9-lev	4 (G1_G2_G3_G4) 4 (G1_G2_G3_G4)	16384 4096
4	B34	16	A1_B1_C1_D1 A1_B1_C1_D1	3-lev 9-lev	4 (G1_G2_G3_G4) 4 (G1_G2_G3_G4)	16384 4096
8	B1&2	16	A1_B1_C1_D1 A1_B1_C1_D1	3-lev 9-lev	4 (G1_G2_G3_G4) 4 (G1_G2_G3_G4)	16384 4096
8	B3&4	16	A1_B1_C1_D1 A1_B1_C1_D1	3-lev 9-lev	4 (G1_G2_G3_G4) 4 (G1_G2_G3_G4)	16384 4096

Note:
• B1 : receiver which uses IF Rack inputs S1,S3; (conv Rack A)
• B2 : receiver which uses IF Rack inputs S5,S7; (conv Rack B)
• B3 : receiver which uses IF Rack inputs S2,S4; (conv Rack A)
• B4 : receiver which uses IF Rack inputs S6,S8; (conv Rack B)