Eia-530-A Port Interface Connector - Paradyne 3172 Operator's Manual

EIA-530-A Port
Interface Connector
The EIA-530-A Port Interface DB25 connector
information is shown in Table D-5.
Signal
Shield
Signal Common
Signal Common
Transmitted Data
Received Data
Request-to-Send
Clear-to-Send
Received Line Signal Detector
DCE Ready
DTE Ready
Transmit Signal Element Timing (DTE Source)
Transmit Signal Element Timing (DCE Source)
Receiver Signal Element Timing (DCE Source)
Local Loopback
Remote Loopback
Test Mode
3170-A2-GB20-30
Table D-5
EIA-530-A Port Interface DB25 Connector
Circuit
Mnemonic
—
AB
AC
BA
BB
CA
CB
CF
CC
CD
DA
DB
DD
LL
RL
TM
March 1999
ITU-T
Direction
Number
— —
102A —
102B —
103 To DSU/CSU
104 From DSU/CSU
105 To DSU/CSU
106 From DSU/CSU
109 From DSU/CSU
107 From DSU/CSU
108/1, /2 To DSU/CSU
113 To DSU/CSU
114 From DSU/CSU
115 From DSU/CSU
141 To DSU/CSU
140 To DSU/CSU
142 From DSU/CSU
Pin Assignments
Pin
1
7
23
2 (A)
14 (B)
3 (A)
16 (B)
4 (A)
19 (B)
5 (A)
13 (B)
8 (A)
10 (B)
6
20
11 (B)
24 (A)
12 (B)
15 (A)
17 (A)
9 (B)
18
21
25
D-7