ERNI connector

1
SPD PATCH PANNEL
ERNI connector mounted on PCB MCM Power Supply
AMP connector mounted on front panel (Pixel
Power Supply)
2
SPD PATCH PANNEL CARD BIAS CONNECTION
J2
J1
B
1
B
7
J10
J4
J9
J3
B
2
B
8
B
3
B
9
J6
J5
J12
J11
12 micro coax cables Bias connection
J
1
5
B
4
B
1
0
To PP1
B
5
B
1
1
J14
J8
J13
J7
B
6
B
1
2
Small interface PCB (used for connecting 12 micro
coax to J15)
3
SPD PATCH PANNEL CARD SENSES Temp CONNECTIONS
J2
J1
B
7
J10
J4
J9
J3
TEMP MONITORING 6 shielded twisted pair
cable (half_sector)
B
8
To PP1 (RB24) To PP3 (RB26)
B
9
J6
J5
J12
J11
J
1
5
SENSES (1.8V and 2.5V) 12 shielded twisted pair
cable (half sector)
B
1
0
B
1
1
J14
J8
J13
J7
B
1
2
4
SPD PATCH PANNEL CARD 1.8V pixel CONNECTIONS
Back panel
Front panel
6 Bus extenders
1.8V cables
B
1
B
2
B
3
B
4
B
5
B
6
To Half stave
6 front panel connectors
5
SPD PATCH PANNEL CARD 2.5V MCM CONNECTIONS
Back panel
2.5V cables
B
7
B
8
B
9
B
1
0
B
1
1
B
1
2
6
SPD PATCH PANNEL CARD 2.5V MCM CONNECTIONS
6 MCM extenders
J2
J1
To MCM1
B
1
B
7
J10
J4
J9
J3
To MCM2
B
2
B
8
To MCM3
B
3
B
9
J6
J5
J12
J11
To MCM4
J
1
5
B
4
B
1
0
To MCM5
B
5
B
1
1
J14
J8
J13
J7
To MCM6
B
6
B
1
2
These connections are showned for RB26 side For
RB24 side,connectors J3,J5,J7,J9,J11,J13 are used