Crestron electronic CEN-TIA Manual De Usuario

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Telephone Interface Module 
 
Crestron CEN-TIA
 
Hardware Connections for the CEN-TIA (Rear) 
PHONE LINE 
LAN: 
10 BaseT/100 BaseTX 
HIGH SPEED 
ETHERNET TO LAN
MEMORY: 
MMC CARD 
SLOT
AUDIO INPUT:
BALANCED AND UNBALANCED AUDIO 
SIGNALS FROM LOCAL AUDIO SOURCES
AUDIO OUTPUT:
BALANCED AND UNBALANCED AUDIO 
SIGNALS TO AMP, ETC.
NET: 
TO CONTROL 
SYSTEM AND OTHER 
CRESNET DEVICES
GROUND
 
The CEN-TIA’s audio connections support both balanced and unbalanced line-level 
audio. These connectors are wired as shown in the following illustrations. 
Audio Input: Balanced and Unbalanced 
+ - 
G
 + -
+
+
Shield
L        R
 
Jumpers
+ - 
G
 + -
+
+
L        R
Left
Right
Shield
Shield
 
Audio Output: Balanced and Unbalanced 
Shield
AMP
Left
Right
+ - 
G
 + -
L        R
+
+
 
Shield
AMP
Left
Right
+ - 
G
 + -
L        R
Shield
+
+
 
 
10  
  Telephone Interface Module: CEN-TIA 
Operations Guide – DOC. 6414