Westermo RV-07B - Manual (Page 12)

12 6130-2200
Public Switched Telephone Network (PSTN)
Electrical specification Public Switched Telephone Network
Data rate 300 bit/s to 33.6 kbit/s
Protocol B103, B212, V21, V22, V22B, V23C, V32, V32B, V34
Circuit type TNV-3
Isolation to Power port 3kV rms 50 Hz 1 min
PSTN line 2kV rms 50 Hz 1 min
Leased line 2kV rms 50 Hz 1 min
RS-422/485 2kV rms 50 Hz 1 min
RS-232 2kV rms 50 Hz 1 min
Connection Screw connector
Connector size 0.2 – 2.5 mm 2 (AWG 24 – 12)
Shielded cable Not required
Leased Line (LL)
Electrical specification 2- or 4-wire Leased Line
Data rate 300 bit/s to 33.6 kbit/s
Protocol B103, B212, V21, V22, V22B, V23C, V32, V32B, V34
Transmission range PSTN 30 dB
Leased Line max 40 dB
Protection Installation Fault Tolerant (up to ±60 V)
Isolation to Power port 3kV rms 50 Hz 1 min
PSTN line 2kV rms 50 Hz 1 min
RS-422/485 2kV rms 50 Hz 1 min
RS-232 2kV rms 50 Hz 1 min
Connection Screw connector
Connector size 0.2 – 2.5 mm 2 (AWG 24 – 12)
Shielded cable Not required
Fault relay*
Relay Direction Description Product marking
1 In/Out Signal 1
2 In/Out Normally closed 2
3 In/Out Normally open 3
4 Not in use 4
* The switch is incorporated with a user configurable fault contact (STAT pins) that enables network and switch
faults to be highlighted, see below.
The fault contact is a potential free, normally closed solid-state component and therefore requires power to
control the device. As standard the fault contact will always highlight Power Supply Failure.