Contents
Overview........................................................................A.1
Base Cabinet ......................................................................... A.1
Main board............................................................................. A.2
Backplane.............................................................................. A.2
Memory Module..................................................................... A.3
Power supply ......................................................................... A.3
Port card options.................................................................... A.4
NSP ....................................................................................... A.7
Phones...........................................................................B.1
IP Phone models ................................................................... B.2
VIP Softphone........................................................................ B.4
Licensing .......................................................................C.1
Cautions ................................................................................ E.1
Site location ............................................................................F.1
LED functions .......................................................................F.15
Site location ...........................................................................G.1
Important: For information concerning the programming of an ESI Communications Server (the ESI-1000,
ESI-600, ESI-200, ESI-100, or ESI-50), see the ESI Communications Servers Programming Manual
(ESI document # 0450-1050).
Statements in this document about ESI Communications Servers as a group do NOT pertain to the
ESI-50L, which must be upgraded to ESI-50 status to provide a number of usual ESI Communications
Server features (particularly those related to automatic call distribution, IP capabilities, and use of PRI).
For information concerning hardware installation of the the ESI-50L, please see the ESI-50L Hardware
Installation Manual (ESI document # 0450-1159).
LED functions........................................................................ G.6
Site location............................................................................H.1
LED functions.........................................................................H.6
Power...................................................................................... I.1
MOH port ................................................................................ I.3