Paradyne 9161 User Manual page 284

Cables, Connectors, and Pin Assignments
E-10
The following table provides the pin assignments for the 25-position Sync Data
connector/interface and a DTE's 37-position RS-449 connector.
Table E-3. EIA-530A-to-RS-449 DTE Adapter
Signal
Shield
Transmit Data ( TXD/ TD )
Receive Data ( RXD/ RD )
Request to Send ( RTS )
Clear to Send ( CTS )
Data Set Ready/ Data Mode
( DSR/ DM )
Signal Ground (SG)
Data Channel Received Line
Signal Detect / Receiver Ready
( RLSD/ RR )
Transmitter Signal Element
Timing/Transmit Timing ( TXC ) —
DCE Source
Receiver Signal Element Timing/
Receive Timing ( RXC ) —
DCE Source
Local Loopback ( LL )
Data Terminal (or DTE ) Ready
( DTR/ TR )
Remote Loopback ( RL )
Receive Common ( RC )
Transmitter Signal Element/
Terminal Timing ( TT ) —
DTE Source
Test Mode ( TM )
no connection
25-Pin
Plug
ITU/
CCITT # Pin #
— 1
103 2 ( A ),
14 ( B )
104 3 ( A ),
16 ( B )
105 4 ( A ),
19 ( B )
106 5 ( A ),
13 ( B )
107 6
102A 7
109 8 ( A ),
10 ( B )
114 15 ( A ),
12 ( B )
115 17 ( A ),
9 ( B )
141 18
108/1, /2 20
140 21
102B 23
113 24 ( A ),
11 ( B )
142 25
— —
April 1999
37-Pin
Socket
Direction
Pin #
— 1
To DCE 4 (A),
22 (B)
From DCE 6 (A),
24 (B)
To DCE 7 (A),
25 (B)
From DCE 9 (A),
27 (B)
From DCE 11 (A)
— 19
From DCE 13 (A),
31 (B)
From DCE 5 (A),
23 (B)
From DCE 8 (A),
26 (B)
To DCE 10
To DCE 12 (A)
To DCE 14
— 20, 29
To DCE 17 (A),
35 (B)
From DCE 18
— 30, 37
9161-A2-GH30-40