9
6619-2202
Interface specifications
** To minimise the risk of interference, a shielded cable is recommended when the cable is located inside 3 m
boundary to the rails and connected to this port. The cable shield should be properly connected (360°) to an
earthing point within 1 m from this port. This earthing point should have a low impedance connection to the
conductive enclosure of the apparatus cabinet, or similar, where the unit is built-in. This conductive enclosure
should be connected to the earthing system of an installation and may be directly connected to the protective
earth.
Power LV
Rated voltage
12 to 48 VDC or 12 to 34 VAC
Operating voltage
10 to 60 VDC or 10 to 42 VAC
Rated current
150 mA @ 12 VDC
70 mA @ 24 VDC
40 mA @ 48 VDC
150 mA @ 12 VAC
70 mA @ 24 VAC
Rated frequency
DC: –
AC: 48 – 62 Hz
Inrush current I
2
t 0.25
A
2
s
Startup current*
0.30 A
peak
Polarity
Polarity independent
Isolation to
All other ports 3 kV
rms
50 Hz 1 min
Connection
Detachable screw terminal
Connector size
0.2 – 2.5 mm
2
(AWG 24-12)
Shielded cable
Not required
* External supply current capability for proper startup
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, V.90
Protection
Installation Fault Tolerant (up to ±60 V)
Isolation to
Power port 3 kV
rms
50 Hz 1 min
RS-232 2
kV
rms
50 Hz 1 min
Connection
RJ-11C
Shielded cable
Not required
RS-232
Electrical specification
EIA/TIA-232
Data rate
1 200 bit/s – 115.2 kbit/s
Data format
7 or 8 data bits, Odd, even or none parity, 1 or 2 stop bits;
Σ
9-12 bits
Protocol
Transparent
Retiming
Yes
Transmission range
Cable length < 15 m
Isolation to
Power port 3 kV
rms
50 Hz 1 min
RS-232 2
kV
rms
50 Hz 1 min
Connection
9-pin D-sub female (DCE) and Detachable screw terminal (DCE )
Connector size
Detachable screw terminal 0.2 – 2.5 mm
2
(AWG 24 – 12)
Shielded cable
Not required **
Conductive housing
Isolated to all other circuits
