Connectors, Cables, and Pin Assignments
C-8
9664-A2-GB20-00
March 2000
X.21 DTE Adapter Cable (Feature No. 3100-F1-571)
This adapter is used to connect the user data port to a DTE with an X.21 cable.
It is a 25-pin EIA-530A-to-15-pin X.21 (DB25-to-X.21) adapter cable.
98-15883
The following table provides the pin assignments for the DB25-to-X.21 adapter
cable.
Signal
ITU/
CCITT #
25-Pin
Plug
Pin #
Direction
15-Pin
Socket
Pin #
Transmit Data ( TXD )
103
2 ( A )
14 ( B )
To DCE
2 ( A )
9 ( B )
Received Data ( RXD )
104
3 ( A )
16 ( B )
From DCE
4 ( A )
11 ( B )
Received Signal Element Timing
( RXC ) — DCE Source
115
17 ( A )
9 ( B )
From DCE
6 ( A )
13 ( B )
Request to Send ( RTS )
105
4 ( A )
19 ( B )
To DCE
3 ( A )
10 ( B )
Data Channel Received Line
Signal Detector ( RLSD or LSD )
109
8 ( A )
10 ( B )
From DCE
5 ( A )
12 ( B )
Transmit Signal Element/
Terminal Timing ( TT ) —
DTE Source
113
24 ( A )
11 ( B)
To DCE
7 ( A )
14 ( B )
Signal Ground/Common ( SG )
102
7
—
8
Содержание FrameSaver SLV 9664
Страница 1: ...FrameSaver SLV 9664 USER S GUIDE Document No 9664 A2 GB20 00 March 2000 ...
Страница 18: ...About the FrameSaver SLV 9664 1 6 9664 A2 GB20 00 March 2000 This page intentionally left blank ...
Страница 28: ...User Interface and Basic Operation 2 10 9664 A2 GB20 00 March 2000 This page intentionally left blank ...
Страница 130: ...Operation and Maintenance 5 36 9664 A2 GB20 00 March 2000 This page intentionally left blank ...
Страница 150: ...Troubleshooting 6 20 9664 A2 GB20 00 March 2000 This page intentionally left blank ...
Страница 182: ...Setting Up Network Health for FrameSaver Devices 9 10 9664 A2 GB20 00 March 2000 This page intentionally left blank ...
Страница 186: ...Menu Hierarchy A 4 9664 A2 GB20 00 March 2000 This page intentionally left blank ...
Страница 214: ...SNMP MIBs and Traps and RMON Alarm Defaults B 28 9664 A2 GB20 00 March 2000 This page intentionally left blank ...