Paradyne BitStorm 4800 Express, Руководство по установке

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A. Connectors, Cables, and Pin Assignments
A-6
April 2002 4821-A2-GN20-00
EIA-530-A to X.21 Interface
The EIA-530-A to X.21 adapter (4800-F1-502) or adapter cable (4800-F1-503)
are DB25-to-DB15 connectors that, connected to the V.35/X.21 port of the
4804 Management Module, provide the X.21 interface shown in
Table A-5, X.21
Cable Interface .
Figure A-3. EIA-530-A to X.21 Adapter and Adapter Cable Pinouts
02-17090
Pin 25
Pin 1
Pin 1
Pin 15
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
530
SIGNAL
DB25
SOCKET
DB15
PLUG
X.21
SIGNAL
02-17091