The HP MSR 4-port FXO HMIM Module, provide 4 FXO ports, is used to connect to PBX or key system, or to provide off-premises connections to PSTN.

Warranty and support

• Electronic and telephone support: limited electronic and business-hours telephone support is available from HP for the entire warranty period; to reach our support centers, refer to www.hp.com/networking/contact-support; for details on the duration of support provided with your product purchase, refer to www.hp.com/networking/warrantysummary