HP ProCurve 9304M Installation And Configuration Manual page 490

Installation and Basic Configuration Guide
Figure B.7 shows an example of a patch panel that accepts a 50-pin connector, and converts the signals to 12 RJ­
45 sockets. Each of the RJ-45 sockets uses four signals per the RJ-21 wiring standard. You can use Cat5 cables
with RJ-45 connectors to plug your network devices into the patch panel.
Figure B.7 Telco patch panel
1
Front - Plug the
network cables
here.
7
Rear - Plug the
cable from the EP
module here
.
Table B.4 shows the output signals on each EP Telco 50-pin connector. Notice that each 10/100 port uses four
signals. Two of the signals are for transmit and the other two are for receive. Signals 25 and 50 are not used.
10/100 Port
1
2
3
4
5
6
7
8
9
B - 6
2 3 4 5 6 13 14
8 9 10 11 12 19 20
Table B.4: Output Signals for RJ-21
Pin Number Signal
1 RxD ( - )
2 TxD ( - )
3 RxD ( - )
4 TxD ( - )
5 RxD ( - )
6 TxD ( - )
7 RxD ( - )
8 TxD ( - )
9 RxD ( - )
10 TxD ( - )
11 RxD ( - )
12 TxD ( - )
13 RxD ( - )
14 TxD ( - )
15 RxD ( - )
16 TxD ( - )
17 RxD ( - )
18 TxD ( - )
15 16 17 18 25 26 27 28
21 22 23 24 31 32 33 34
Pin Number
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
29 30 37 38 39 40 41 42
35 36 43 44 45 46 47 48
Signal
RxD ( + )
TxD ( + )
RxD ( + )
TxD ( + )
RxD ( + )
TxD ( + )
RxD ( + )
TxD ( + )
RxD ( + )
TxD ( + )
RxD ( + )
TxD ( + )
RxD ( + )
TxD ( + )
RxD ( + )
TxD ( + )
RxD ( + )
TxD ( + )