Samsung Ubigate iBG3026, Installation Manual, Page: 128 / 132

ANNEX B. Cable Specifications
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© SAMSUNG Electronics Co., Ltd.
(Continued)
RJ-21
(Left)
RJ-21
(Right)
Signal
name
RJ-21
(Left)
RJ-21
(Right)
Signal
name
12
37 12
37 TIP 12
RING 12 25
50 25
50 TIP 25
RING 25
13
38 13
38 TIP 13
RING 13 - - -
E&M-2M Module Cable
Cable Shape
Figure A.10 E&M-2M Module Cable
Cable Signaling and Pinout
Two-Wire Operation,
Type
Four-Wire Operation,
Type
Pin Signal Description
1 2 3 5 1 2 3 5
1 SB -48 V signaling
battery - SB SB - - SB SB -
2 M-lead Signaling input M M M M M M M M
3 R Ring, audio input - - - - R R R R
4 R or R1 Ring, audio
input/output or
output R R R R R1 R1 R1 R1
5 T or T1 Tip, audio input/
output or output T T T T T1 T1 T1 T1
6 T Tip, audio input - - - - T T T T
7 E-lead Signaling output E E E E E E E E
8 SG Signaling ground
return
- SG SG - - SG SG -