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E. Connectors, Cables, and Pin Assignments
E-10 December 2002 9700-A2-GB20-20
EIA-530-A-to-X.21 Adapter
An EIA-530-A-to-X.21 adapter for the Model 9788 CSU/DSU user data port must
have the following connections. An appropriate adapter is available from Paradyne
(Feature No.
3100-F1-571).
2
14
3
16
17
9
4
19
8
10
7
24
11
2
9
4
11
6
13
3
10
5
12
8
7
14
TD-A
TD-B
RD-A
RD-B
RXC-A
RXC-B
RTS-A
RTS-B
RLSD-A
RLSD-B
SIG. COMMON
TT-A
TT-B
TD-A
TD-B
RD-A
RD-B
RXC-A
RXC-B
RTS-A
RTS-B
RLSD-A
RLSD-B
SIG. COMMON
TT-A
TT-B
EIA-530-A
SIGNAL
DB25
PLUG
DB15
SOCKET
X.21
SIGNAL
01-16987