The vendor must furnish and deliver the following:
No substitutions will be accepted
Adtran Netvanta 3448 router (Adtran Part # 1200821E1).
Adtran Netvanta Dual T1/FT1 network module (Adtran
Part # 1200872L1)
Wilmore Electronics 1652-48-120-60-L DC-to-AC
inverter or EQUIVALENT.