Hardware problems are generally dealt with by the UNM/CS System Support Group. Please be really sure it's a hardware problem before calling them. Phone x7-8457, after hour emergencies x7-3527.
Network service problems are dealt with by either the SSG or by CIRT. Generally call SSG first, and go to CIRT only if SSG confirms that we should. Phones: CIRT help desk x7-4848, CIRT network communication center x7-4646.