96
A
PPENDIX
A: C
ABLE
S
PECIFICATIONS
Dumb Terminal
Adapter
Table 64 describes dumb terminal adapter pinouts.
E1 Cable
Table 65 describes E1 cable pinouts. In this table, Tx = transmit and Rx = receive.
These markings on 75-ohm coaxial cables are in relation to the routers, and they
should be connected to the peer's “Tx” and “Rx”.
15
TxD/RxD+
—>
R
RD+
39
TxD/RxD-
—>
T
RD-
19
RxC/TxCE+
<—
U
SCTE+
43
RxC/TxCE-
<—
W
SCTE-
17
NIL/RxC+
—>
V
SCR+
41
NIL/RxC-
—>
X
SCR-
16
TxCE/TxC+
—>
Y
SCT+
40
TxCE/TxC-
—>
AA
SCT-
50
GND
-
A
Shield_GND
7
GND
-
B
Circuit_GND
24
RxD-REST
GND
-
-
49
RxC-REST
GND
-
-
Table 63
V.35 DCE cable Pinouts
(continued)
DB-50
Signal
Signal Direction 34PIN
Signal
Table 64
Dumb Terminal Adapter Pinouts
RJ-45 (female)
DB-25 (female)
Signal
1
8
DCD
2
6
DSR
3
20
DTR
4
7
GND
5
2
TxD
6
3
RxD
7
4
RTS
8
5
CTS
Table 65
E1 Cable Pinouts
DB-15
BNC (75-ohm
coaxil cable)
RJ-45 (120-ohm
twisted pair
9
Tx Tip
Tx Tip
1
Tx Tip
2
Tx Ring
Tx Ring
2
Tx Ring
10
Tx Shield
-
3
Tx Shield
8
Rx Tip
Rx Tip
4
Rx Tip
Содержание 3C13701
Страница 14: ...12 CHAPTER 1 INTRODUCING THE ROUTER 5000 FAMILY ...
Страница 34: ...32 CHAPTER 2 INTRODUCING ROUTER 5012 SICS ...
Страница 57: ...ADSL MIMM 55 ...
Страница 58: ...56 CHAPTER 3 INTRODUCING ROUTER 5000 FAMILY MIMS ...
Страница 68: ...66 CHAPTER 4 INSTALLING THE ROUTER ...
Страница 90: ...88 CHAPTER 7 TROUBLESHOOTING ...
Страница 100: ...98 APPENDIX A CABLE SPECIFICATIONS ...
Страница 104: ...102 APPENDIX A OBTAINING SUPPORT FOR YOUR PRODUCT ...