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INSTALLING NETWORK INTERFACE BOARDS
Cable Pinouts
C-40
The following tables list the pinouts for the PictureTel Live50/
Live100 cables. Note that the pins are arranged by wire pairs.
PINOUTS FOR Live50/100 RS-449/RS-366 4-Leg DDM
CABLE (#180-0312-01)
RS-449 Port A
P1
Signal
P2
1
FGND
1
41
SGND
19*
2
SD(a)
4
42
SD(b)
22
3
ST(a)
5
43
ST(b)
23
4
RD(a)
6
44
RD(b)
24
5
RT(a)
8
45
RT(b)
26
6
TT(a)
17
46
TT(b)
35
7
RS(a)
7*
47
RS(b)
25*
8
CTS(a)
9
48
CTS(b)
27
9
DTR(a)
12
49
DTR(b)
30
10
RR(a)
13
50
RR(b)
31
11
DSR(a)
11
51
DSR(b)
29
12
RI
15
53
RC
20
21*
3*
37*
*
Tie pins 25 and 21 together.
Tie pins 7 and 3 together.
Tie pins 19 and 37 together.
Signal
P1
FGND
21
SGND
61
SD(a)
22
SD(b)
62
ST(a)
23
ST(b)
63
RD(a)
24
RD(b)
64
RT(a)
25
RT(b)
65
TT(a)
26
TT(b)
66
RS(a)
27
RS(b)
67
CS(a)
28
CS(b)
68
TR(a)
29
TR(b)
69
RR(a)
30
RR(b)
70
DM(a)
31
DM(b)
71
IC
32
RC
73
LOS(b)
LOS(a)
SC
RS-449 Port B
Signal
P4
Signal
FGND
1
FGND
SGND
19*
SGND
SD(a)
4
SD(a)
SD(b)
22
SD(b)
ST(a)
5
ST(a)
ST(b)
23
ST(b)
RD(a)
6
RD(a)
RD(b)
24
RD(b)
RT(a)
8
RT(a)
RT(b)
26
RT(b)
TT(a)
17
TT(a)
TT(b)
35
TT(b)
RS(a)
7*
RS(a)
RS(b)
25*
RS(b)
CTS(a)
9
CS(a)
CTS(b)
27
CS(b)
DTR(a)
12
TR(a)
DTR(b)
30
TR(b)
RR(a)
13
RR(a)
RR(b)
31
RR(b)
DSR(a)
11
DM(a)
DSR(b)
29
DM(b)
RI
15
IC
RC
20
RC
21*
LOS(b)
3*
LOS(a)
37*
SC
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