Fujitsu MJA2500BH Maintenance Manual - Page 81
Connector pinouts, Table 5.1
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5.1 Physical Interface 5.1.4 Connector pinouts The pin definitions are shown in Table 5.1. Table 5.1 Connector pinouts Signal segment key S1 Gnd 2nd mate Signal segment S2 A+ Differential signal pair A from Phy Connected to TXD at the host side. S3 A- Connected to RXD at the device side. S4 Gnd 2nd mate S5 B- Differential signal pair B from Phy Connected to RXD at the host side. S6 B+ Connected to TXD at the device side. S7 Gnd 2nd mate "Key and spacing separate signal and power segments" P1 V33 N.C.(Open) P2 V33 N.C.(Open) P3 V33 N.C.(Open) P4 Gnd 1st mate P5 Gnd 2nd mate P6 Gnd 2nd mate P7 V5 5 V power, pre-charge, 2nd mate P8 V5 5 V power Power segment P9 V5 5 V power P10 Gnd 2nd mate P11 Staggered Spin-up Mode/ Activity LED • Staggered Spin-up mode detect for input • Activity LED drive for output For the specification of P11, see Section 5.1.5. (in next page) When the host system does not use these functions, the corresponding pin to be mated with P11 in the power cable receptacle connector shall be grounded. P12 Gnd 1st mate P13 V12 N.C.(Open) P14 V12 N.C.(Open) P15 V12 N.C.(Open) Power segment key Notes: Note) Since applying a single external supply voltage of 5 V enables this drive to operate it is unnecessary to supply +3.3 V and +12 V power supplies. C141-E293 5-7
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