ETC Sensor3 SR Series Retro-Fit Manual page 8

Remove the Old CEM
1: Mark the edge connector of each dimmer output ribbon cable (1, 2, 3, and 4) as illustrated below
in the hexagons. There may be stickers on the ribbon cables already; however, these may refer
to cable length and not dimmer outputs. They should not be used as a reference for these
instructions.
Note:
6
CEM SR6/12 Ribbon Cable Layout
J1
J2
CEM SR24 Ribbon Cable Layout
J1
J2
CEM SR48 Ribbon Cable Layout
J1
J2
The order/layout of the dimmer output edge connectors is different on the CEM3
backplane.
1
J3
(1–24)
1
J3
(1 – 24)
3
(49 – 72)
J3
(1 – 24)
1
2
(25 – 48)
4
(73 – 96)
(25 – 48)
2
CEM3 Sensor Rack Retrofit Manual