Sentex Ovation S Installation Instructions Manual page 12

Table 1. Single Entrance Ovation Cabling Power Wire Distance.
B. Line Interface Board Cabling
The following cabling must be run for a single entrance installation:
a. A 2 conductor shielded cable from the LIB to the 120 VAC outlet for the 12 VAC, 50 VA
transformer supplied by Sentex (or a 12 VDC power supply that you provide). See Table 2 for
the required wire size.
b. A 4 twisted pair cable between the connector boards of each LIB housing in the stack, as
shown in Figure 6 (applies only to installations with multiple LIB housings).
NOTE: Belden 8757 for unshielded installations and Belden 9504 for shielded installations (or
equivalent) is recommended.
Rev B
DC POWER
WIRE SIZE
18 AWG
18 AWG
14 AWG
12 AWG
10 AWG
Figure 6. Single Entrance LIB Cabling.
DC POWER
WIRE SIZE
18 AWG
18 AWG
14 AWG
12 AWG
10 AWG
Table 2. Single Entrance LIB Cabling Power Wire Distance.
DISTANCE AC POWER
WIRE SIZE
30' and under
30'-75'
75'-150'
150'-250'
250'-500'
DISTANCE AC POWER
WIRE SIZE
30' and under
30'-75'
75'-150'
150'-250'
250'-500'
Doc. 6001072
18 AWG
14 AWG
12 AWG
10 AWG
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16 AWG
12 AWG
10 AWG
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