REV: 03-11
DOC1302B
PAGE
3
INSTALLATION INSTRUCTIONS
LC21HS INTERCOM HANDSET
RJ45 Connector Wiring
The LC21HS connects to an LC372SR Sound Reinforcement Module or LC331IC Integrated Communications Module
using CAT5 or better structured cable. Each connector should be wired as shown in Table 1.
Pin
Function
Cat5 Color Code
1
Handset Mic
Orange /W
2
Handset Mic Output –
Orange
3
Hookswitch Out
Green /W
4
Handset Earphone Input + Blue
5
Handset Earphone Input – Blue/W
6
Hookswitch Out
Green
7
+48 VDC
Brown /W
8
Ground
Brown
Table 1 -
RJ45 Connector Wiring
Specifications
Electrical
Power Requirements ................................................................................................................................ +48VDC
Supplied by LC372SR or LC331IC
Mechanical
Dimensions .........................................................................................................................4.5” W x 4.5” H x 2.39”
(114mm W x 114mm H x 61mm D)
Height (overall).................................................................................................................................. 9.5” (241mm)
Projection in Front of Plate with Handset .............................................................................................. 3” (76mm)
Mounting ............................................................4” x 4” deep box with extension ring and 2-gang mounting ring
Recommended Electrical Box ................................. Steel City 52151-1/2-3/4, 53151-1/2 and 52C17-25 or equal
Connections
Audio and Control Out ................................................................................................................................... RJ-45
PIN 1
