Appendix, A. troubleshooting, B. frequently asked questions – Vivotek IP2121 User Manual
Page 5: C. upgrade system firmware, D. url commands of network camera, E. camera control cable, F. time zone table, G. technical specifications

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Appendix ..............................................................67
A. Troubleshooting ..........................................................67
B. Frequently Asked Questions..........................................68
C. Upgrade System Firmware ...........................................72
D. URL Commands of Network Camera ..............................73
E. Camera Control Cable ..................................................84
F. Time Zone Table ..........................................................85
G. Technical Specifications ...............................................88