HP Surestore 64 Planning Guide - Page 32
CTP Card, CTP card provides nonvolatile memory for storing firmware, director configuration
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The system error LED illuminates when the director detects an event requiring immediate operator attention, such as a FRU failure. The LED remains illuminated as long as an event is active. The LED extinguishes when the Clear System Error Light function is selected from the Product Manager application. The LED blinks if unit beaconing is enabled. An illuminated system error LED (indicating a failure) takes precedence over unit beaconing. CTP Card The director is delivered with two CTP cards. The active CTP card initializes and configures the director after power on and contains the microprocessor and associated logic that coordinate director operation. A CTP card provides an initial machine load (IML) button on the faceplate. When the button is pressed and held for three seconds, the director reloads firmware and resets both CTP cards without switching off power or affecting operational fiber-optic links. Each CTP card also provides a 10/100 megabit per second (Mbps) RJ-45 twisted pair connector on the faceplate that attaches to an Ethernet local area network (LAN) to communicate with the HP EFC Server or a simple network management protocol (SNMP) management station. Each CTP card provides system services processor (SSP) and embedded port (EP) subsystems. The SSP subsystem runs director applications and the underlying operating system, communicates with director ports, and controls the RS-232 maintenance port and 10/100 Mbps Ethernet port. The EP subsystem provides Class F and exception frame processing, and manages frame transmission to and from the SBAR assembly. In addition, a CTP card provides nonvolatile memory for storing firmware, director configuration information, persistent operating parameters, and memory dump files. Director firmware is upgraded concurrently (without disrupting operation). The backup CTP card takes over operation if the active card fails. Failover from a faulty card to the backup card is transparent to attached devices. A failed CTP card should be replaced while the director is powered on. This ensures correct transfer of the firmware image and configuration information. Each card faceplate contains a green LED that illuminates if the card is operational and active, and an amber LED that illuminates if the card fails. Both LEDs are extinguished on an operational backup card. The amber LED blinks if FRU beaconing is enabled. 18 Director Description