Gigamon On-Site Field Engineering assistance service. Gigamon trained field services technician provides on-site assistance to customers requiring hands-on expertise servicing Gigamon products. *Includes 1 (one) 8-hour block of regular work-day business hours based on engagement location; or includes 1 (one) 4-hour block outside regular work-day business hours. Does NOT include travel or material expenses, which will be billed separately.