Service manual

194 Trinix NXT — Installation and Service Manual

Section 3 — Hardware Installation

shown in Figure 108, inputs 1-16 are not split (and therefore are restricted

to outputs 1-512).

Figure 108.

Note Use the PE33016 Port expander for HD operations and the PE2x2-3G Port

expander for 3G operations.

In this example:

• For SI-33110, HI-3G, and HI-33110 input boards, the gain for

inputs 17-512 would be boosted by closing the rear-panel Output

Expand DIP switches on both frames and verifying that the on-

board jumpers for that set of inputs are in the Expand Enable

position. The location of the boost jumpers on these input

boards is shown on Figure 105 on page 191. (“Base” refers to the

16 lower-numbered inputs to the main board; “Mez” refers to

the 16 higher-numbered inputs to the mezzanine board.) The

gain for inputs 1-16 must be held at unity by setting the on-

board jumper for that set of inputs to the Force Normal position;

this overrides the rear-panel DIP switch setting for those inputs.

17 - 512

1 - 16

1 - 512

513 - 1024

17 - 512

Outputs

expanded

to 1024

(restricted)

PE 33016

used as

splitters

Trinix

Frame 0

512 x 512

Trinix

Frame 2

512 x 512