CANOGA PERKINS 2240 Fiber Optic Modem - Manual (Page 13)

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Chapter 1
Introduction
1.1 2240 Modem
The 2240 is a full-featured modem for full-duplex operation over fiber optic cable. It is available in
standalone and rack-mount models.
Figure 1-1 2240 Modem
The 2240 modem operates at speeds from 0 bps to 1.500 Mbps in asynchronous mode, 0 bps to
2.050 Mbps in synchronous mode (depending on the rate and mode selection, see Chapter 3,
"Mode and Rate Selection"), including the common rates of 1.536 Mbps, 1.544 Mbps, and 2.048
Mbps. For more information, see Chapter 2, "Installation and Setup".
The 2240 is intended to operate with one of a wide variety of electrical interfaces, listed below.
• RS-423/232
• RS-449
• RS-449/RS-423 (MC1)
• Programmable RS-422
• RS-530
• Twinax 422