RS232 <=> RTC<=> RS485
Modem
10
SOCOMEC - Réf. : 874 669 A GB
SPECIFICATIONS
Interface specifications
PUBLIC SWITCHED TELEPHONE NETWORK (PSTN)
Electrical specification
Public Switched Telephone Network
Data rate
300 bit / s - 33.6 kbit / s
Protocol
Bell103, Bell212, V.21, V.22, V.22Bis, V.23C, V.32, V.32Bis, V.34
Protection
Installation Fault Tolerant (up to ±60 V)
Isolation to
Power port
3 kVrms 50 Hz 1 min
Leased Line
2 kVrms 50 Hz 1 min
RS232
2 kVrms 50 Hz 1 min
RS485
2 kVrms 50 Hz 1 min
I / O
2 kVrms 50 Hz 1 min
Connection
RJ-11C and Detachable screw terminal
Connector size
Detachable screw terminal 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 - 33.6 kbit / s
Protocol
Bell103, Bell212, V.21, V.22, V.22Bis, V.23C, V.32, V.32Bis, V.34
Transmission range / Budget
PSTN 30 dB
Leased Line max 40 dB
Protection
Installation Fault Tolerant (up to ± 60 V)
Isolation to
Power port
3 kVrms 50 Hz 1 min
PSTN line
2 kVrms 50 Hz 1 min
RS232
2 kVrms 50 Hz 1 min
RS485
2 kVrms 50 Hz 1 min
I / O
2 kVrms 50 Hz 1 min
Connection
Detachable screw terminal
Connector size
0.2 - 2.5 mm
2
(AWG 24 - 12)
Shielded cable
Not required
