X.21, Db-25 c, Able – Quick Eagle Networks DL3800E User Manual
Page 139: Inouts, Xternal, Lock, Onnector, Ssignments
Pinouts
B-7
B
X.21
TO
DB-25 C
ABLE
P
INOUTS
E
XTERNAL
C
LOCK
C
ONNECTOR
P
IN
A
SSIGNMENTS
A DE-9 connector is provided on the DL3800E unit rear panel for
connection to an External Clock. Pin Assignments for the External Clock
connector are as Listed in Table B-14:
Table B-9 DB-25 to DB-15 Pinouts
X.21
Signal Name
DB-25
3
Control (A)
4
10
Control (B)
19
4
Rx DAta (A)
3
11
Rx Data (B)
16
2
Send Data (A)
2
9
Send Data (B)
14
5
Indication (A)
8
12
Indication (B)
10
6
Serial Clock Rx (A)
17
13
Serial Clock Rx (B)
9
*7
Serial Clock External (A)
24
*14
Serial Clock External (B)
11
8
Signal Ground
7
* Needs to be wired in when using X.21 with SCTE.
Table B-10 External Clock Pinouts
PIN
SIGNAL
1
Signal A
2
Signal B
5
Shield
3,4,6,7,8,9
No Connection