Telesto Private Wire, Manual

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Appendix C - Technical Specifications
Description
The Telesto Private Wire Modem is an interfacing unit between an RS232 line and an analog
private wire line (dedicated telephone line). At one end it connects to the serial data port (port 2) of
the Callisto Europa digitiser and at the other end to a 2 or 4 wire analog telephone line. The Telesto
is powered from a 24 Vdc power source and provides 12 Vdc to the Callisto Europa digitiser.
Specifications
Power Consumption 15 W (Typical)
Supply voltage 24 Vdc
Voltage Range 22-26 VDC
Surge Level no voltages above +/- 30 VDC
Interfaces
To Callisto Europa: RS232 with RTS/CTS data flow control
To telephone line: analog private wire on 2 or 4 wires
Baud rate: 19.2K and below
Standards: Data: Enhanced V.34, V.34, V.32bis, V.32,
V.22bis
Error Correction: V.42
Data Compression: V.42bis, MNP® 3 & 4
& Class 5
Environment
Housing Rugged waterproof aluminum enclosure
Size 469.9 mm L x 279.4mm W x 137.2mm H (18.50" L x 11.00"
W x 5.40" H)
Weight 3 kg (6 lbs)
Connectors RS-232, 19 pin cicular
Power, 3 pin
Telephone line, 4 pin circular
Environment meets or exceeds protected outdoor specification, see
Nanometrics document 13065
Telesto Private Wire Modem 20