Lucent Technologies Lineage
®
 2000 ECS-12U Controller J85501E-2
Issue 3  July 1998  Ordering  3 - 1
3Ordering 
ECS-12U
Table 3-A provides a summary of the J85501E-2 List structure. 
Microprocessor board (CP2) and Datalogger board (CP3) 
options (Lists A through F and K through KB) are discussed in 
the Controller Options Product Manual (167-790-109). Please 
note that all lettered options except List BA are shipped 
separately from the controller for connection by installers. 
Section 2 presents a detailed description of controller features. 
Table 3-A: ECS-12U Controller Ordering Information
Description List
ECS-12U Controller for -48 volt plants. Provides 
interface to 12 Lucent Technologies Lineage
® 
2000 rectifiers.
1
ECS-12U Controller for +24 volt plants. Provides 
interface to 12 Lucent Technologies Lineage
® 
2000 rectifiers.
2
Same as List 1, except includes low voltage 
disconnect circuit for J85500S-1 and J85500T-1 
plants.
3
Optional -48 volt microprocessor circuit pack 
(CP2) to provide local or remote monitoring and 
control functions.
A
Same as List A, except with voice response feature.
B
Optional +24 volt microprocessor circuit pack 
(CP2) to provide local or remote monitoring and 
control functions. 
C