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Crestron CNX-PVID8x3 Professional Video Distribution Switch
Operations Guide - DOC. 8159A Professional Video Distribution Switch: CNX-PVID8x3 • 9
Wire Gauge Values
RESISTANCE WIRE GAUGE
4 16
6 18
10 20
15 22
13 Doubled CAT5
8.7 Tripled CAT5
NOTE: All network wiring must consist of two twisted-pairs. One twisted pair is
the +24V conductor and the GND conductor and the other twisted pair is the Y
conductor and the Z conductor.
NOTE: When daisy chaining network units, always twist the ends of the incoming
wire and outgoing wire that share a pin on the network connector. After twisting the
ends, tin the twisted connection with solder. Apply solder only to the ends of the
twisted wires. Avoid tinning too far up or the tinned end becomes brittle and breaks.
After tinning the twisted ends, insert the tinned connection into the network
connector and tighten the retaining screw. Repeat the procedure for the other three
network conductors.
Identity Code
Every equipment and user interface within the network requires a unique identity
code (Net ID). These codes are two-digit hexadecimal numbers from 03 to FE. The
Net ID of the unit must match an ID code specified in the SIMPL Windows program.
Refer to “Setting the Net ID in Device Settings” on page 25 for details of the SIMPL
Windows procedure.
The Net ID of each CNX-PVID8x3 has been factory set to 41. The Net IDs of
multiple CNXPVID8x3s in the same system must be unique. Net IDs are changed
from a personal computer (PC) via the Crestron Viewport.
NOTE: For detailed information on establishing communication between the PC and
control system, refer to “Communication Settings” on page 34. If communication
cannot be established, refer to the “Troubleshooting Communications” section in the
latest version of the 2-Series Control System Reference Guide (Doc. 6256) or the
respective Operations Guide for the control system.
There are two different methods—Method A or Method B—for setting the
CNX-PVID8x3 Net IDs:
Method A (Cresnet address-settable ID), described on the next page, applies to
CNX-PVID8x3s in a Cresnet system with a 2-Series control system upgrade file
(CUZ) version prior to 3.008, but can be used with later versions of firmware and
requires that a single unit be the only network device connected to the control
system.
Method B (Touch Settable IDs), which begins on the next page, applies to
CNX-PVID8x3s in a Cresnet system with 2-Series control system upgrade file
(CUZ) version 3.029 or later. These upgrades enable Touch Settable ID (TSID)
functionality, which makes it possible for the control system to recognize a network
device via its serial number, which is stored in the device’s memory. This method
does not require that any devices be disconnected from the network; Net IDs may be