Crestron CNTBLOCK Manuals

CRESTRON CNTBLOCK Network Terminal Block R E M O T E C O N T R O L S Y S T E M S 1 DOC. 8055A Specifications subject to change without notice. CRESTRON MODEL: CNTBLOCK POWER NORM ON (Y) NORM OFF (Z) CONNECTORS ARE IN PARALLEL 8 7 1 6 5 4 3 2 NET NET NET NET NET NET NET NET G Z Y 24 G Z Y 24 G Z Y 24 G Z Y 24 24 G Z Y G Z Y 24 G Z Y 24 G Z Y 24 1.9 in 4.8 cm 5.8 in 14.7 cm Figure 1. CNTBLOCK, Network Terminal Block TOP PANEL SIDE PANEL (connectors exposed) UNIT DEPTH: 0.9 in (2.3 cm) DESCRIPTION: Functional Description The CNTBLOCK, illustrated in figure 1, is a network terminal expander and diagnostic tool for the CRESNET II remote control system (herein referred to as the CRESNET II system). The eight network connectors on the CNTBLOCK are setup as two sets of four. Power can be isolated between the two sets by disconnecting a jumper on the board. The unit provides LED indicators which help isolate wiring problems. Physical Description The CNTBLOCK is housed in a black enclosure with a silk-screened top panel (refer to figure 1). Three LEDs are located toward the center of the top panel: a green LED (POWER) and two red LEDs (NORM ON (Y) and NORM OFF (Z)). Eight four-pin network connectors are accessible from the two longest side panels of the unit (four per side). For stability two Dual Lock fasteners are supplied with the unit, but unattached. If desired, the fasteners may be applied to the underside of the CNTBLOCK. At the shorter sides of the unit, the enclosure extends to form feet at a right angle to the side. There are three holes per foot for inserting screws to further stabilize the unit. LEADING SPECIFICATIONS: Table 1 provides a summary of leading specifications for the CNTBLOCK. Dimensions and weight are approximations rounded to the nearest tenth unit. Table 1. Leading Specifications SPECIFICATION DETAILS Power Requirements +24 VDC Dimensions & Weight Height: 1.9 in (4.8 cm) Width: 5.8 in (14.7 cm) Depth: 0.9 in (2.3 cm) Weight: 0.5 lb (0.2 kg) As of the date of manufacture, the unit has been tested and found to comply with specifications for CE marking.