
Installing Multiple Carriers  | Model 117A4 Carrier Installation Instructions  | |
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Using the expansion cable provided with each carrier, you can link up to five carriers.
CAUTION  | |||
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USE  | 
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  | CABLE  | |
  | 847667896  | ||
AT&T  | 
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P N  | 
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  | IN  | 
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  | OUT  | 
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  | OF  | SYNC  | 
  | CONTROL/  | ||
OUT  | 
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EXPANSION  | |||
To 
 Expansion
Carrier #1
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CAUTION  | Control Carrier  | ||||
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USE  | 
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  | CABLE  | 
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  | 847667896  | 
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AT&T  | 
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P N  | 
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  | IN  | 
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  | OUT  | 
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  | OF  | SYNC  | To  | |
  | CONTROL/  | 
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OUT  | 
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  | Expansion  | ||
EXPANSION  | |||||
Carrier #2  | |||||
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T T  | 
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CAUTION  | Carrier #1  | |||
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USE  | 
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  | CABLE  | 
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  | 847667896  | 
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AT&T  | 
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P N  | 
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  | IN  | 
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  | OUT  | 
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  | OF  | SYNC  | To  | 
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  | Expansion  | |
  | CONTROL/  | |||
OUT  | 
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EXPANSION  | Carrier #3  | |||
T T
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CAUTION  | Carrier #2  | |||
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USE  | 
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  | CABLE  | 
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  | 847667896  | 
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AT&T  | 
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P N  | 
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  | IN  | 
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  | OUT  | 
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  | OF  | SYNC  | To  | 
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  | Expansion  | |
  | CONTROL/  | |||
OUT  | 
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EXPANSION  | Carrier #4  | |||
T T
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  | Expansion  | 
CAUTION  | Carrier #3  | |||
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USE  | 
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  | CABLE  | 
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  | 847667896  | 
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AT&T  | 
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P N  | 
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  | IN  | 
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  | OUT  | 
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OUT  | OF  | SYNC  | 
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  | CONTROL/  | 
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EXPANSION  | 
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T T
CAUTION  | CAUTION  | CAUTION  | CAUTION  | CAUTION  | 
1  | 2  | 3  | 
4  | 
5  | 
6  | 1  | 2  | 3  | 4  | 5  | 
6  | 
1  | 2  | 
3  | 4  | 5  | 6  | 
1  | 2  | 
3  | 4  | 5  | 6  | 
1  | 2  | 
3  | 
4  | 5  | 6  | 
Control  | Expansion  | Expansion  | Expansion  | Expansion  | 
Carrier  | Carrier #1  | Carrier #2  | Carrier #3  | Carrier #4  | 
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  | (Fourth and fifth carriers can be  | 
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  | used only with PBX extensions.)  | 
5Connect an expansion cable to the OUT jack of the control carrier.
CAUTION
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  | ONLY  | 
  | USE  | |
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  | CABLE  | 
AT&T  | ||
P⁄  | N  | 847667896  | 
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IN
  | OUT  | 
OF  | SYNC  | 
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OUT  | 
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CONTROL/  | |
EXPANSION  | |
Model 117A4 Carrier Installation Instructions   | Issue 2 February 1999 25  |