Cisco MWR-1941-DC-2T1 Hardware Installation Guide - Page 87

Table B-14, X.21 DTE Cable Pinout DB-60 to DB-15, Table B-15, X.21 Serial DCE Cable Pinout DB-60

Page 87 highlights

Appendix B Cable Specifications Serial Connection Signals and Pinouts Table B-14 X.21 DTE Cable Pinout (DB-60 to DB-15) 60-Pin J1-48 J1-47 J1-51 J1-52 J1-46 J1-11 J1-12 J1-9 J1-10 J1-28 J1-27 J1-1 J1-2 J1-26 J1-25 J1-15 Shield Signal Name Type GND MODE_2 Shorting group GND Shorting group MODE_DCE Shield_GND Single TXD/RXD+ Twisted pair no. 3 TXD/RXD- RTS/CTS+ Twisted pair no. 2 RTS/CTS- RXD/TXD+ Twisted pair no. 6 RXD/TXD- CTS/RTS+ Twisted pair no. 1 CTS/RTS- RXC/TXCE+ Twisted pair no. 5 RXC/TXCE- Control_GN Twisted pair no. 4 D - Direction 15-Pin Signal Name - - - - - - - J2-1 Shield GND -> J2-2 Transmit+ -> J2-9 Transmit- -> J2-3 Control+ -> J2-10 Control-

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106

B-21
Cisco MWR 1941-DC Mobile Wireless Edge Router Hardware Installation Guide
78-15827-06B0
Appendix B
Cable Specifications
Serial Connection Signals and Pinouts
Table B-14
X.21 DTE Cable Pinout (DB-60 to DB-15)
60-Pin
Signal Name
Type
Direction
15-Pin
Signal Name
J1-48
J1-47
GND
MODE_2
Shorting group
-
J1-51
J1-52
GND
MODE_DCE
Shorting group
J1-46
Shield_GND
Single
J2-1
Shield GND
J1-11
J1-12
TXD/RXD+
TXD/RXD–
Twisted pair no. 3
—>
—>
J2-2
J2-9
Transmit+
Transmit–
J1-9
J1-10
RTS/CTS+
RTS/CTS–
Twisted pair no. 2
—>
—>
J2-3
J2-10
Control+
Control–
J1-28
J1-27
RXD/TXD+
RXD/TXD–
Twisted pair no. 6
<—
<—
J2-4
J2-11
Receive+
Receive–
J1-1
J1-2
CTS/RTS+
CTS/RTS–
Twisted pair no. 1
<—
<—
J2-5
J2-12
Indication+
Indication–
J1-26
J1-25
RXC/TXCE+
RXC/TXCE–
Twisted pair no. 5
<—
<—
J2-6
J2-13
Timing+
Timing–
J1-15
Shield
Control_GN
D
Twisted pair no. 4
J2-8
Shield
Control GND
Table B-15
X.21 Serial DCE Cable Pinout (DB-60 to DB-15)
60 Pin
Signal Name
Type
Direction
15 Pin
Signal Name
J1-48
J1-47
GND
MODE_2
Shorting group
J1-46
Shield_GND
Single
J2-1
Shield GND
J1-28
J1-27
RXD/TXD+
RXD/TXD–
Twisted pair no. 6
<—
<—
J2-2
J2-9
Transmit+
Transmit–
J1-1
J1-2
CTS/RTS+
CTS/RTS–
Twisted pair no. 1
<—
<—
J2-3
J2-10
Control+
Control–
J1-11
J1-12
TXD/RXD+
TXD/RXD–
Twisted pair no. 3
—>
—>
J2-4
J2-11
Receive+
Receive–
J1-9
J1-10
RTS/CTS+
RTS/CTS–
Twisted pair no. 2
—>
—>
J2-5
J2-12
Indication+
Indication–
J1-24
J1-23
TXC/RXC+
TXC/RXC–
Twisted pair no. 4
—>
—>
J2-6
J2-13
Timing+
Timing–
J1-15
Shield
Control_GN
D
Twisted pair no. 5
J2-8
Shield
Control GND