G2-EMD80 ,

1.) CN1: Power socket to connect to the main power unit (G2-PWU)
2.) CN10: Fan power input (2-PIN)
3.) CN11: Fan power output (3-Pin)
4.) CN2: G2-MPU2/G2-MPU4/G2-MPU8 slot
5.) JP1: reset jumper for flash memory
6.) SW1: Cabinet position selection
7.) LED1: Power LED of system (Steady on when power is ON)
8.) CN3: VMU 1 slot
9.) CN4: VMU 2 slot
10.) CN8: DC 5V power output (reserved for future use)
11.) CN5: MSU slot
12.) CN6: G2-IPU2 slot
13.) CN27: G2-IXU slot
14.) CN12: STU/SLU 1 slot
15.) CN13: STU/SLU 2 slot
16.) CN14: STU/SLU 3 slot
17.) CN15: STU/SLU 4 slot
18.) CN16: STU/SLU 5 slot
19.) CN17/CN22: STU/SLU 6 slot and SIU/PIU/TKU 1 slot (Only one card can be installed.)
20.) CN23/CN18: STU/SLU 7 slot and SIU/TKU2 slot (Only one card can be installed.)
21.) CN24/CN19: STU/SLU 8 slot and TKU3 slot (Only one card can be installed.)
22.) CN25/CN20: STU/SLU 9 slot and TKU4 slot (Only one card can be installed.)
23.) CN26/CN21: STU/SLU 10 slot and TKU5 slot (Only one card can be installed.)