Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
Table 3. Time Slot Select for RFL VF-8A module
Switch T1 E1
Code
(Decimal) 1 2 3 4 5 Time Slot Time Slot
0 D D D D D * *
1 D D D D U 1 1
2 D D D U D 2 2
3 D D D U U 3 3
4 D D U D D 4 4
5 D D U D U 5 5
6 D D U U D 6 6
7 D D U U U 7 7
8 D U D D D 8 8
9 D U D D U 9 9
10 D U D U D 10 10
11 D U D U U 11 11
12 D U U D D 12 12
13 D U U D U 13 13
14 D U U U D 14 14
15 D U U U U 15 15
16 U D D D D 16 *
17 U D D D U 17 17
18 U D D U D 18 18
19 U D D U U 19 19
20 U D U D D 20 20
21 U D U D U 21 21
22 U D U U D 22 22
23 U D U U U 23 23
24 U U D D D 24** 24
25 U U D D U * 25
26 U U D U D * 26
27 U U D U U * 27
28 U U U D D * 28
29 U U U D U * 29
30 U U U U D * 30**
31 U U U U U * 31***
Physical Switch Settings
SW2-
D = down, U = up.
Notes: * This setting is not allowed . Setting switches to this code will cause the module’s service to be disabled.
**A T1 or E1 network utilizing fast reframing cannot utilize this time slot for voice channel.
*** An E1 network utilizing inter-node com
munications (NMX) cannot use timeslot 31 for voice channel.
Table 4. Number of ring attempts selected by rotary switch SW3
SW3
Rotary
Switch
Position
0 1 2 3 4 5 6 7 8 9 A B C D E F
Number
Of Ring
Attempts
unlim-
ited
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
RFL VF-8A RFL Electronics Inc.
August 6, 2010 9 (973)
334-3100
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