Eia-530-a port interface connector – Paradyne 3166 CSU User Manual
Page 129
Pin Assignments
D-3
3166-A2-GB20-10
November 1998
EIA-530-A Port Interface Connector
The EIA-530-A Port interface connector information is shown in
Table D-2.
EIA-530-A Port Interface Connector
Signal
Circuit
Mnemonic
CCITT
Number
Direction
Pin
Shield
—
—
—
1
Signal Common
AB
102A
—
7
Signal Common
AC
102B
—
23
Transmitted Data
BA
103
To DSU/CSU
2 (A)
14 (B)
Received Data
BB
104
From DSU/CSU
3 (A)
16 (B)
Request-to-Send
CA
105
To DSU/CSU
4 (A)
19 (B)
Clear-to-Send
CB
106
From DSU/CSU
5 (A)
13 (B)
Received Line
Signal Detector
CF
109
From DSU/CSU
8 (A)
10 (B)
DCE Ready
CC
107
From DSU/CSU
6
DTE Ready
CD
108/1, /2
To DSU/CSU
20
Transmit Signal
Element Timing
(DTE Source)
DA
113
To DSU/CSU
11 (B)
24 (A)
Transmit Signal
Element Timing
(DCE Source)
DB
114
From DSU/CSU
12 (B)
15 (A)
Receiver Signal
Element Timing
(DCE Source)
DD
115
From DSU/CSU
17 (A)
9 (B)
Local Loopback
LL
141
To DSU/CSU
18
Remote
Loopback
RL
140
To DSU/CSU
21
Test Mode
TM
142
From DSU/CSU
25