EXHIBIT 4.2 THIS DEBENTURE IS A RESTRICTED SECURITY WITHIN THE MEANING OF THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), AND ANY APPLICABLE STATE SECURITIES LAWS, AND MAY NOT BE OFFERED, SOLD, PLEDGED, OR OTHERWISE TRANSFERRED WITHOUT...Convertible Subordinated Secured Debenture • June 12th, 2001 • Fastcomm Communications Corp • Telephone & telegraph apparatus • Virginia
