1 Exhibit 10.23 PROMISSORY NOTE ------------------------------------------------------------------------------- Borrower: Stephen M. Tennis Lender: Verilink Corporation 199 Hillside Avenue 145 Baytech Drive Menlo Park, CA 94025 San Jose, CA 95134...Promissory Note • September 23rd, 1998 • Verilink Corp • Telephone & telegraph apparatus • California
GUARANTY For value received, Verilink Corporation, a Delaware corporation, hereby guarantees the performance by Baytech Associates, a California general partnership ("Baytech") of Baytech's obligations under the Lease between Baytech and IDEC...Guaranty • September 23rd, 1998 • Verilink Corp • Telephone & telegraph apparatus
