3Com 3C63311 Reference Guide - Page 35
Specifications, double term., double buffer
View all 3Com 3C63311 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 35 highlights
Specifications 23 Table 5 PathBuilder S310 System Specifications X.21 DCE cable pinouts (60-pin connector) to DB-15 female (continued) Signal Name Pin # on 60-pin Pin # on DB-15 Direction (for QSIM) Frame GND 46 1 Circuit GND 15 8 RTS 1,2 3,10 IN CTS 9,10 5,12 OUT DSR OUT DCD (not used; tristate when in DTE mode) DTR IN LL (not used) IN SD+ 28 2 IN SD- 27 9 IN RD+ 11 4 OUT RD- 12 11 OUT SCTE+ IN SCTE- IN SCR+ 24 6 OUT SCR- 23 13 OUT (tristate SCR + and - when in DTE mode, double term., double buffer) SCT+ OUT SCT- OUT Shorting GR 1 47,48 Shorting GR 2 51, 52
Specifications
23
X.21 DCE cable pinouts
(60-pin connector) to
DB-15 female
Signal
Pin # on
Pin # on
Direction
Name
60-pin
DB-15
(for QSIM)
Frame GND
46
1
Circuit GND
15
8
RTS
1,2
3,10
IN
CTS
9,10
5,12
OUT
DSR
OUT
DCD (not used; tristate when in DTE mode)
DTR
IN
LL (not used)
IN
SD+
28
2
IN
SD-
27
9
IN
RD+
11
4
OUT
RD-
12
11
OUT
SCTE+
IN
SCTE-
IN
SCR+
24
6
OUT
SCR-
23
13
OUT
(tristate SCR + and - when in DTE mode,
double term., double buffer)
SCT+
OUT
SCT-
OUT
Shorting
GR 1
47,48
Shorting
GR 2
51, 52
(continued)
Table 5
PathBuilder S310 System Speciļ¬cations