Extron Electronics IN3218HR - Manual (Page 5)

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©2000 - INLINE, INC. IN3218HR OPERATION MANUAL - REV. 1.0 1/4/01
INTERNAL CONTROLS
CAUTION: Adjustment of the IN3218HR internal controls must only be carried out by qualified
technicians. Care must be taken to avoid static shock to the internal components.
1. Remove the screws from the sides of the unit.
2. Slide the top cover off.
3. Identify the location of the jumpers using the diagram below and adjust as needed.
4. Replace the top cover and tighten the side screws.
IN3218HR INTERNAL JUMPERS
JUMPER FUNCTIONS
J2
*Closed
Open Input Terminated into 75 ohms
Input Unterminated (High Z)
J1 & J3
*Closed
Open Unit Operates as One 1 x 8 Distribution Amplifier
Unit Operates as Two 1 x 4 Distribution Amplifiers
J9
Closed
*Open Input #2 Terminated into 75 ohms
Input #2 Unterminated (High Z)
J4 / J5 / J6 / J7
Closed
*Open Outputs DC Coupled
Outputs AC Coupled
*Factory Default Settings
Operating
Mode
Jumpers
J4 J5 J6 J7
J9
J1 J3
J2
AC/DC
Coupled
Output
Jumpers