Mitel SX-200 EL Technician's Handbook page 224

Technician's Handbook
Table 48: USOC Connector Pin Designations (Continued)
Pin Color
14
40
15
41
16
42
17
43
18
44
19
45
20
46
21
47
22
48
23
49
24
50
25
NOTE: RJ21X is a standard trunk.
RJ2EX is a two-wire E&M trunk.
RJ2GX is a four-wire E&M trunk.
214
RJ21X
BR-BK
BK-S
S-BK
Y-BL
BL-Y
Y-O
O-Y
Y-G
G-Y
Y-BR
BR-Y
Y-S
S-Y
V-BL
BL-V
V-O
O-V
V-G
G-V
V-BR
BR-V
V-S
S-V
RJ2EX
R M
T T
R R
T E
R M
T T
R R
T E
R M
T T
R R
T E
R M
T T
R R
T E
R M
T T
R R
T E
R M
SPARE
SPARE
RJ2GX
R1
E
M
T
R
T1
R1
E
M
T
R
T1
R1
E
M
T
R
T1
R1
E
M
(Sheet 2 of 2)