Cisco RPS Hardware Installation Guide - Connection Requirements [Cisco RPS 600 Redundant Power System] Connection Requirements This chapter describes the equipment required to connect the Cisco RPS to external devices. The Cisco RPS includes two fully redundant AC input power modules and four DC output power modules for connection to external devices. The Cisco RPS supports a quasi-redundant configuration for all devices, fully redundant configuration for the referenced Cisco routers and concentrator, and redundant-with-reboot configurations for the referenced hubs and switches. However, the redundant-with-reboot configuration is not recommended because a power supply failure will cause an interruption while the hub or switch reboots Ordering Cables The Cisco RPS ships in either of the following configurations: With cables (Cisco RPS number PWR600-AC-RPS-CAB)Includes four one-to-one (22-pin to 18-pin) cables for connecting to hubs and switches or for quasi-redundant support for Cisco 2600 series routers; Cisco 3620, Cisco 3640, and Cisco 3725 routers; and Cisco 4000 series routers. Without cables (Cisco RPS number PWR600-AC-RPS-NCAB)Cables must be ordered separately: One-to-one (22-pin to 18-pin) cables for connecting to hubs and switches or for quasi-redundant support for Cisco 2600 series routers; Cisco 3620, Cisco 3640, and Cisco 3725 routers; and Cisco 4000 series routers  CAB-RPS-2218= Cisco 2500 series routers and access servers and Cisco MC3810 multiservice concentrators One-to-one cable, 22-pin to 8-pin, 4 ft (1.22 m)1 CAB-RPS-2208= Fully redundant Cisco 2600 series routers, Cisco 3620, Cisco 3640, and Cisco 3725 routers, and Cisco 4000 series routers Two-to-one cable, 22-pin to 18-pin, 4 ft (1.22 m)1 CAB-RPSY-2218= Cisco 2500 series routers and access servers and Cisco MC3810 multiservice concentrators Two-to-one cable, 22-pin to 8-pin, 4 ft (1.22 m)1  series XL switches One-to-one cable, 22-pin to 18-pin, 4 ft (1.22 m)1 CAB-RPS-2218

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