Westermo Dial-Up RS-232/V.90 Modem, 12-48 VDC, DIN-Rail Mount. (Article No. 3619-0001). Product ID: TDW-33
Westermo 2 or 4-wire Dial-Up / Leased Line RS-232/485 Telephone Modem, 20 - 264 VAC / 14 - 300 VDC, DIN-Rail Mount, -25 to +70 C. (Article No. 3618-0001). Product ID: TD-36 / 485 AV
Westermo 2 or 4-wire Dial-Up / Leased Line RS-232/485 Telephone Modem, 12-36 VDC, DIN-Rail Mount, -25 to +70 C. (Article No. 3618-0010). Product ID: TD-36 / 485 LV
Westermo Dial-Up / Leased Line RS-232 Telephone Modem, 33.6 kbit/s, DIN-Rail Mount, 20 - 264 VAC / 14 - 300 VDC, -25 to +70 C. (Article No. 3618-0101). Product ID: TD-36 AV
Westermo Dial-Up / Leased Line RS-232 Telephone Modem, 33.6 kbit/s, DIN-Rail Mount, 12-36 VDC, -25 to +70 C. (Article No. 3618-0110). Product ID: TD-36 LV