Kentrox DataSMART T3/E3 IDSU Installation Manual page 48

48 Connector pinouts
Table 6—DB25D connector pin assignments for V.35
Pin CCITT
1 —
2 (a) 103
3 (a) 104
4 105
5 106
6 107
7 102
8 109
9 (b) 115
10 —
11 (b) 113
12 (b) 114
13 —
14 (b) 103
15 (a) 114
16 (b) 104
17 (a) 115
18 141
19 —
20 108.2
21 140
22 —
23 —
24 (a) 113
25 142
Circuit name
Protective GND
Tx Data A
Rx Data A
RTS
CTS
DSR
Signal GND
Rec Line Sig Det (DCD)
Rx Timing B
Not used
External clock B
Tx Timing B
Not used
Tx Data B
Tx Signal Timing A
Rx Data B
Rx Signal Timing A
LL, Local Loopback
Not used
DTR
RL, Remote Loopback
Not used
Not used
External Clk A
TM, Test Mode
Source
—
DTE
DCE
DTE
DCE
DCE
—
DCE
DCE
—
DTE
DCE
—
DTE
DCE
DCE
DCE
DTE
—
DTE
DTE
—
—
DTE
DCE