Safety Information and Technical Specifi cations Chapter 3 Dual Port and Cascading Confi gurations 3-1 Single and Dual Port Expanders Single Ports SAS-216EL1 backplanes have a single-port expander on the daughter card, that accesses all 24 drives and supports cascading.
MH1 MH1 J2 J2 1 2 D1 D1 C76 C76 R85 R85 C242 C242 R74 R74 R71 R71 C243 C243 R79 R79 R97 R97 R95 R95 C253 C253 C78 C78 R91 R91 C240 C240 C241 C241 R96 R96 R86 R86 C244 C244 U2 U2 R5 R5 R11 R11 R78 R78 R98 R98 R99 R99 C245 C245 C246 C246 C247 C247 C248 C248 C249 C249 C250 C250 C251 C251 C252 C252 C73 C73 C348 C348 R87 R87 BC1 BC1 R102 R102 C347 C347 C171 C171 R77 R77 R101 R101 C346 C346 R89 R89 C326 C326 R104 R104 C339 C339 C340 C340 R72 R72 C327 C327 R103 R103 C338 C338 R76 R76 R106 R106 R88 R88 C337 C337 R105 R105 R75 R75 C349 C349 R108 R108 R73 R73 C350 C350 C351 C351 RA3 RA3 C168 C168 C334 C334 C335 C335 C153 C153 C336 C336 C345 C345 C172 C172 C342 C342 C155 C155 C344 C344 C341 C341 C157 C157 C343 C343 C158 C158 L66 L66 L59 L59 C159 C159 L60 L60 C162 C162 L61 L61 L67 L67 C123 C123 L62 L62 C126 C126 L68 L68 L69 L69 C129 C129 L39 L39 C132 C132 L45 L45 L46 L46 C135 C135 L50 L50 L52 L52 C138 C138 L55 L55 C166 C166 L58 L58 L65 L65 C146 C146 L3 L3 C107 C107 C88 C88 L6 L6 L8 L8 C90 C90 C111 C111 L23 L23 PRI_EXP1 PRI_EXP1 L25 L25 C94 C94 C113 C113 L10 L10 L28 L28 C98 C98 J1 C106 C106 L15 L15 L17 L17 C103 C103 L32 L32 C105 C105 L34 L34 C118 C118 C120 C120 L41 L41 C124 C124 L40 L40 C127 C127 L43 L43 L47 L47 C130 C130 L51 L51 C133 C133 WWN WWN BAR CODE BAR CODE PRI_J1 PRI_J1 MH2 MH2 C178 C178 R112 R112 BC2 BC2 R8 R8 Rev:1.01 Rev:1.01 BPN-SAS216EL C261 C261 PRI_SRAM1 PRI_SRAM1 J2 PRI_J2 PRI_J2 MH3 MH3 MH4 MH4 PRI_FLASH1 PRI_FLASH1 1 3 J3 PRI_MODE1 PRI_MODE1 PRI_J3 PRI_J3 To Lower Backplane in Cascaded System Figure 3-1:
SAS-216EL2 Single Port Confi guration Dual Ports SAS-216EL2 backplanes have dual-port expanders on the daughter cards, that access all 24 drives. These dual-port expanders support cascading, failover, and recovery. Figure 3-2: SAS-216EL2 Dual Port Confi guration 3-1 scading.
From HBA or higher backplane Port A Primary Ports Expander 1 From HBA or higher From HBA or higher Port B Port A backplane backplane Secondary Ports Primary Ports Expander 2 Expander 1 MH1J2 1 2 MH1J2 1 2 D1C76C2C 42 243 C253 CC 12 74 81 C UR2 12 R4 1C 142 15 22C B2 RC4 515C251C250 BC P240 NC -24 S9 AC2 S46 2C 124 68 ReEC v2 L4 :17 PRI_EXP1 JJ 21 PPRRII__JJ12 MH2 D1C76C2C 42 243 C253 CC 12 74 81 C UR2 12 R4 1C 142 15 22C B2 RC4 515C251C250 BC P240 NC -24 S9 AC2 S46 2C 124 68 ReEC v2 L4 :17 PRI_EXP1 JJ 21 PPRRII__JJ12 MH2 87R1B8C2 3 71 707 CC C42 6 233 CC 6789 90125 39560258 6666 56666 C3445555 LLLL3 LLLLL LLLLLLL L 13701 456 12345 35824 4057 4 954445 333 44444 22233 68111 L 7 LLLLLLLLL LLL 79 333 533333 R7LL 8 8 RR67 9 CCC 8CCCCC 6 9 8 89401 4 3 R4 4 3 3 3R355 3 R 33 3 3 CC33 C CC C C 24568CC 1 3 90000 258 76 0 10 7 17 6 893 03 81111 778 97 1 91 8 77 9 9 7A 17 RRRRR RRR RR R RR R RR R R RR RR 578926 586 363 35 70 21 92 3836 5555668047 334 223 800 71003 23 561480 1111111222 111 111 811 11911 11 111991 CCCCCC1111 CCC CCC CCC CCCCC CC CCCCCC CCCC WWN 87R1B8C2 3 71 707 CC C42 6 233 CC 6789 90125 39560258 6666 56666 C3445555 LLLL3 LLLLL LLLLLLL L 13701 456 12345 35824 4057 4 954445 333 44444 22233 68111 L 7 LLLLLLLLL LLL 79 333 533333 R7LL 8 8 RR67 9 CCC 8CCCCC 6 9 8 89401 4 3 R4 4 3 3 3R355 3 R 33 3 3 CC33 C CC C C 24568CC 1 3 90000 258 76 0 10 7 17 6 893 03 81111 778 97 1 91 8 77 9 9 7A 17 RRRRR RRR RR R RR R RR R R RR RR 578926 586 363 35 70 21 92 3836 5555668047 334 223 00 710803 23 561480 1111111222 111 111 11 119811 11 111991 CCCCCC1111 CCC CCC CCC CCCCC CC CCCCCC CCCC WWN .01 .01 C261 C261 PRI_SRAM1 PRI_SRAM1 MH4 J3 MH3 MH4 J3 MH3 PRI_FLASH1 CODE BAR PRI_FLASH1 CODE BAR 1 1 PRI_MODE1 PRI_J3 PRI_MODE1 PRI_J3 3 3 To Lower Backplane in To Lower Backplane in Cascaded System Cascaded System From HBA or higher backplane Fro To Lower Backplane in Cascaded System