Cisco MWR-1941-DC-2T1 Hardware Installation Guide - Page 95

V.35 Smart Serial Cable Assembly

Page 95 highlights

Appendix B Cable Specifications Smart Serial Connection Signals and Pinouts Table B-22 X.21 DCE Smart Serial Cable Pinout 26-Pin Signal Name Note J1-21 MODE_2 Local connections Drain wire Shield J1-05 I_RXD/TXD+ Twisted pair no. 5 J1-18 I_RXD/TXD- J1-01 O_TXD/RXD+ Twisted pair no. 8 J1-14 O_TXD/RXD- J1-11 I_CTS/RTS+ Twisted pair no. 3 J1-10 I_DSR/DTR+ J1-08 O_RTS/CTS Twisted pair no. 2 J1-09 O_DTR/DSR+ J1-02 J1-15 J1-26 O_TXCE/RXC + O_TXCE/RXC + Twisted pair no. 7 GND Not used Twisted pair no. 1 Not used Twisted pair no. 4 Not used Twisted pair no. 6 Not used Twisted pair no. 9 DB-15 Direction Pin Signal Name - J2-01 Shield_GND J2-11 RECEIVE- J2-12 + INDICATION - -> J2-06 TIMING+ -> J2-13 TIMING- - J2-08 CCT GND Not used Not used Not used Not used V.35 Smart Serial Cable Assembly Table B-23 lists the DTE pinout and Table B-24 lists the DCE pinout for the V.35 Smart Serial cable. Arrows indicate signal direction: -> means DTE to DCE and

  • 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-29
Cisco MWR 1941-DC Mobile Wireless Edge Router Hardware Installation Guide
78-15827-06B0
Appendix B
Cable Specifications
Smart Serial Connection Signals and Pinouts
V.35 Smart Serial Cable Assembly
Table B-23
lists the DTE pinout and
Table B-24
lists the DCE pinout for the V.35 Smart Serial cable.
Arrows indicate signal direction: —> means DTE to DCE and <— means DCE to DTE.
Table B-22
X.21 DCE Smart Serial Cable Pinout
26-Pin
Signal Name
Note
Direction
DB-15
Pin
Signal Name
J1-21
MODE_2
Local connections
Drain
wire
Shield
J2-01
Shield_GND
J1-05
J1-18
I_RXD/TXD+
I_RXD/TXD–
Twisted pair no. 5
<—
<—
J2-02
J2-09
TRANSMIT+
TRANSMIT–
J1-01
J1-14
O_TXD/RXD+
O_TXD/RXD–
Twisted pair no. 8
—>
—>
J2-04
J2-11
RECEIVE+
RECEIVE–
J1-11
J1-10
I_CTS/RTS+
I_DSR/DTR+
Twisted pair no. 3
<—
<—
J2-03
J2-10
CONTROL+
CONTROL–
J1-08
J1-09
O_RTS/CTS
O_DTR/DSR+
Twisted pair no. 2
—>
—>
J2-05
J2-12
INDICATION
+
INDICATION
J1-02
J1-15
O_TXCE/RXC
+
O_TXCE/RXC
+
Twisted pair no. 7
—>
—>
J2-06
J2-13
TIMING+
TIMING–
J1-26
GND
Not used
Twisted pair no. 1
J2-08
CCT GND
Not used
Not used
Twisted pair no. 4
Not used
Not used
Twisted pair no. 6
Not used
Not used
Twisted pair no. 9
Not used
Table B-23
V.35 DTE Smart Serial Cable Pinout
26-Pin
Signal Name
Note
Direction
V.35
Pin
Signal Name
J1-22
J1-23
J1-24
MODE_1
MODE_0
MODE_DCE
Local connections
Drain
wire
Shield
J2-A
Shield_GND
J1-06
J1-19
B_DCD/DCD+
GND+
Twisted pair no. 1
<—
J2-F
RLSD
GND
J1-13
J1-26
B_LL/LL+
GND
Twisted pair no. 3
—>
J2-K
J2-B
LT
GND