Verilink AS2000: The Basics (880-502981-001) Product Manual - Manual (Page 102)

System Cables
B-8 Verilink Access System 2000: The Basics
Figure B-6 X.21 Adapter Cable (DTE)
DRAIN DRAIN
BLU/WHT
WHT/BLU
GRN/WHT
WHT/GRN
YEL/WHT
WHT/YEL
ORN/WHT
WHT/ORN
PNK/WHT
WHT/PNK
BRN/WHT
WHT/BRN
TAN/WHT
WHT/TAN
RXD(B)
RXD(A)
TXD(A)
17
TXD(B)
CGND
25
12
23
10
21
8
4
15
2
26
P1
6
19
C(A)
C(B)
TAN/YEL
YEL/TAN
1
GND
GND
13
ORN/TAN
TAN/ORN
N/C
I(A)
I(B)
RXC(A)
RXC(B)
XTC(A)
XTC(B)
N/C
N/C
8 GA
N/C
N/C
N/C
(A) R+ 4
(B) R-
(B) S-
(A) S+
(B) XC-
(A) XC+
3
14
13
6
7
10
(A) C+
(B) C
12
5
9
2
11
(B) T
(A) I+
(B) I-
(A) T+
J1
1 CGND
N/C N/C
RSVD
14
Part Number: 458-502047-101 (4 ft.)
P1
MALE
PIN 1
MALE
8 15
9 1
J1
13
14
26
DTE
(N/C Indicates no connection