Position
RJ-11C
Direction*
Description
Product marking
PSTN
a
Not Connected
b
Not Connected
c
In/Out
PSTN Transmit/ Receive
d
In/Out
PSTN Transmit/ Receive
e
Not Connected
f
Not Connected
Position
Screw
terminal*
Direction*
Description
–
Not Connected
Data Carrier Direct (DCD)
No. 2
Out
Received Data (RD)
No. 1
In
Transmitted Data (TD)
No. 3
In
Data Terminal Ready (DTR)
No. 5
–
Signal Ground (SG)
No. 4
Out
Data Set Ready (DSR)
10
6619-2202
Position
D-sub
Direction*
Description
D-sub
description
No. 1
Out
Data Carrier Direct (DCD)
No. 2
Out
Received Data (RD)
No. 3
In
Transmitted Data (TD)
No. 4
In
Data Terminal Ready (DTR)
No. 5
–
Signal Ground (SG)
No. 6
Out
Data Set Ready (DSR)
No. 7
In
Request To Send (RTS)
No. 8
Out
Clear To Send (CTS)
No. 9
Out
Ring Indicator (RI)
RS-232 (DCE)
1
2
3
4
5
6
7
8
9
Power LV
LED Indicators
(for details see
next page)
PSTN
* Direction relative this unit.
Position
Direction*
Description
Product marking
No. 1
In
–Voltage
No. 2
In
+Voltage