(Models 9820, 9820-2M, 9820-8M - Paradyne 9820 User Manual

Connectors, Cables, and Pin Assignments
User and Network Data Port Connectors

(Models 9820, 9820-2M, 9820-8M)

C-6
The following table provides the pin assignments for the EIA-530-A connector to
the DTE or NTU.
Signal
Shield
Transmit Data ( TXD )
Received Data ( RXD )
Request to Send ( RTS )
Clear to Send ( CTS )
Data Set (or DCE ) Ready
( DSR )
Signal Ground/Common ( SG )
Received Line Signal Detector
( RLSD or LSD )
Transmit Signal Element
Timing (TXC – DTE Source)
Transmit Signal Element
Timing ( TXC – DCE Source)
Received Signal Element
Timing ( RXC – DCE Source )
Local Loopback ( LL )
Data Terminal (or DTE )
Ready ( DTR )
Test Mode Indicator ( TM )
NOTE:
The user data port has a DCE personality, while the network data port has a
DTE personality.
June 2000
Circuit
ITU #
Mnemonic
— —
BA 103
BB 104
CA 105
CB 106
CC 107
AB 102A
CF 109
DA 113
DB 114
DD 115
LL 141
CD 108/1, /2
TM 142
25-Pin
Direction
Pin #
— 1
To DCE 2 (A)
14 (B)
From DCE 3 (A)
16 (B)
To DCE 4 (A)
19 (B)
From DCE 5 (A)
13 (B)
From DCE 6
To/From 7
DCE
From DCE 8 (A)
10 (B)
To DCE 11 (B)
24 (A)
From DCE 12 (B)
15 (A)
From DCE 17 (A)
9 (B)
To DCE 18
To DCE 20
From DCE 25
9820-A2-GB20-20