Patton electronic 3196RC user manual EXT Clock connector location

Model 3196RC T-DAC User Manual 2 • Hardware installation

Note To synchronize the ForeFront system with a BITS clock, you must connect the site BITS clock system to the EXT CLOCK connector located on the rear-panel of the T-DAC WAN Access Module rear card (see figure 13).

ACCESS

WAN

EXT

READYALARM

D

S

L

W

EXT CLOCK connector

Pin 1

EXT CLOCK

Pin 3

Figure 13. EXT CLOCK connector location

Do the following to connect the WAN Access Module card’s EXT CLOCK connector to the BITS clock:

1.The EXT CLOCK connector is a 3-pin terminal block connector (see figure 13). As you face the rear- panel, pin 1 is located at the top (vertical card orientation) or left (horizontal card orientation). Table 6 lists the connector pinout.

Table 6. EXT CLOCK connector pinout

Pin Description

1Negative input

2 Positive input

3 Chassis ground

2.Plug the connector on the end of the BITS clock cable into the EXT CLOCK connector. Tighten the cap- tive screws to secure the connector.

Cable installation 33