Serial Port; Fxs Port; Fxo Port - Patton electronics SmartNode 4830 Series Getting Started Manual

SmartNode 4830 Getting Started Guide
X.21 Serial Port

FXS port

The FXS ports use an RJ-11 connector with 6 positions. The middle two positions, 3 and 4, are used according
to table 18.
Note
Pins not listed are not used.

FXO port

The FXO ports use an RJ-11 connector with 6 positions. The middle two positions, 3 and 4, are used accord-
ing to table 19.
Note
Pins not listed are not used.
X.21 Serial Port
Table 17. X.21 Female DB-15 connector
X.21 Interface Pin-Out
Pin
1 Signal Ground
2
3
4
5 Indication-a
6 Signal Element Timing (Clock) -a
8 DTE Common Return
9
10
11
12 Indication-b
13 Signal Element Timing (Clock)-b
Table 18. RJ-11 socket
Pin
3
4
Table 19. RJ-11 socket
Pin
3
4
Signal
TD-d
Control-a
RD-a
TD-b
Control-b
RD-b
Signal
Ring (-)
Tip (+)
Signal
Ring (-)
Tip (+)
D • Port pin-outs
79