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Cable
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
SGND 7
7
7
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
SHIELD
1
1
1
Memotec
V.35
TIA-232/V.24
140
N
RL
21
141
L
LL
18
142
NN
TI
25
125
n/s
CI
22
102
B
SGND
7
102a
n/s
n/a
n/a
102b
n/s
n/a
n/a
Shield
A
Shield
1
Table 6-1: Serial connector and NetPerformer custom HD-26 cable set
For V.24 and V.35, refer to V.35 for the ITU circuit number
NOTE:
Descriptions within parentheses refer to X.21 only
The abbreviation n/a means not applicable.
The abbreviation n/s means not supported.
The pinout above indicates the active signals that are used when
NOTE:
communicating with external DTE or DCE equipment via a
NetPerformer serial interface. These HD-26 cables are custom and
proprietary to the NetPerformer. The information in this table is not
sufficient to manufacture a working cable that can interoperate with the
serial port on the NetPerformer unit.
Serial Port and User Equipment Connection
TIA-530
TIA-449/V.36
n/a
n/a
RL
14
n/a
n/a
LL
10
n/a
n/a
TI
18
n/a
n/a
CI
15
SGND 7
SGND 19
n/a
n/a
SGND 37
n/a
n/a
SGND 20
Shield 1
Shield 1
X.21
Interface
n/a
n/a
DTE
Remote
Loopback
n/a
n/a
DTE
Local
Loopback
n/a
n/a
DCE
Test
Indicator
n/a
n/a
DCE
Call Indicator
SGND 8
n/a
Signal
Ground
n/a
n/a
n/a
DTE
Common
Return
n/a
n/a
n/a
DCE
Common
Return
Shield 1
n/a
Shield
6-9
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