Specifications

Replacement Procedures 2–3
■ Before touching any circuit board or component, always touch a verifiable earth
ground to discharge any static electricity that might be present in clothing.
■ Always keep circuit boards and components away from nonconducting material.
■ Always keep clothing away from circuit boards and components.
■ Always use antistatic bags and grounding mats for storing circuit boards or
components during replacement procedures.
■ Always keep the ESD cover over the program card when the card is in the controller. If
you remove the card, put it in its original carrying case. Never touch the contacts or
twist or bend the card while handling it.
■ Never touch the connector pins of a cable when it is attached to a component or host.
Maintenance Port Precautions
The maintenance port generates, uses, and radiates radio-frequency energy through cables
that are connected to it. This energy might interfere with radio and television reception.
Do not leave a cable connected to this port when not communicating with the controller.
Preparation Procedures
Establishing a Local Connection to the Controller
Communication with a controller is done locally or remotely. Use a local connection to
configure the controller for the first time. Use a remote connection to the host system for
all subsequent configuration tasks. See the Compaq StorageWorks HSG80 Array
Controller ACS Version 8.5 Configuration Guide and specific Installation Reference
Guide that came with the platform kit for details.
The maintenance port provides a convenient way to connect a personal computer (PC) or
terminal to the controller for troubleshooting and configuring the controller. This port
accepts a standard RS-232 jack from any EIA-423 compatible terminal or a PC with a
terminal-emulation program. The maintenance port supports serial communications with
default values of 9600 baud using 8 data bits, 1 stop bit, and no parity.
NOTE: There are two maintenance port cables shown in Figure 2–1. One has a 9-pin connector
molded onto its end for a PC connection. An optional cable is available for a terminal
connection.