Westermo TD-23 - Manual (Page 12)

12 6600-2204
Relay (optional)
Rated voltage
Up to 48 VDC
Operating voltage Up to 60 VDC
Contact rating 50 mA @ 48 VDC
Contact resistance 8 Ω
Transmission range ≤ 3 m, depending on data rate and cable type
Function The output follows the transmit carrier, I.e. output shorted
when carrier is ON.
Isolation to Power, Leased Line, RS-232, RS-485/422
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm² (AWG 24 – 12)
Shielded cable Not required
Leased Line
Electrical specification
2- or 4-wire Leased Line
Data rate 300 bit/s – 1200 bit/s
Transmission level +3, –3, –6, –9, –10, –12, –13, –15 dBm
Transmision levels above –9 dBm are not allowed on
PTT networks only on private wires
Sensitivity reseption –45, –33, –27, –23 dBm
Protocol V23hdx, V23fdx
Turn around time 33 ms (half duplex)
Transmission range / Budget 30dB
Protection Installation Fault Tolerant (up to ±60 V)
Isolation to Power / RS-232 / RS-422/485
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm² (AWG 24 – 12)
Shielded cable Not required