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Reference Guide

PMB-RF 

RF Receiver

Overview

The PMB-RF RF Receiver allows direct RF communications between a 
PHAST system and the Viewpoint touch panel. This eliminates the need for 
an AMX emulation card and the associated overhead of multiple-protocol 
conversion. 

The RF receiver supports the same transceivers as the AMX AXR-RF. Only 
one PMB-RF can be used in a single Landmark system.

Safety Instructions

ATTENTION! 

Read and follow all safety and operating instructions before installing or 
operating this device. Adhere to all warnings listed on the device and in the 
operating instructions.

Disconnect this device from the power source before cleaning. Do not 

use liquid or aerosol cleaners. Use only a clean, soft, damp cloth for 
cleaning.

Installation and Operating

Caution:

 Many electronic components are static sensitive. If possible, 

install these components in a static-free work environment. Otherwise, 
touch a grounded metal object to discharge any static charge before han-
dling these components. 

Do not 

touch any live electrical conductors.

1.

Check the RJ-45 connector(s) and wiring for proper function.

2.

Plug the RJ-45 connector(s) into the RJ-45 socket(s) on the rear 
panel. It does not matter which RJ-45 socket(s) you use.

3.

Insert the 12VDC power supply plug into the +12VDC receptacle on 
the rear panel. The center post is positive and the ring is negative.

4.

Plug the power supply into a properly grounded 120VAC outlet. The 
Power LED on the front panel should be illuminated.

5.

When attaching this device to software in Landmark Designer, press 
the ID button on the front panel to send the device ID information to 
the Landmark system. This allows you to make the correct software 
connection to this physical device in the Landmark system.

6.

The RF LED flashes when RF data is received by the PMB-RF.

7.

The Link LED flashes when data is sent from the PMB-RF to the Land-
mark system.

PHASTLink Cable Information

This section contains information that you will need to make PHASTLink 
cables, plus general information on connecting PHASTLink devices.

PHASTLink cables are used to connect all PHASTLink-compatible devices, 
including keypads, dimmers, J-box IR devices, amplifiers, audio switches, 
etc. PHASTLink uses a standard 10Base-T connection (i.e. Category 5 wire 
and RJ-45 connectors). The wire should be connected in the standard man-
ner, as shown in the following figure. If a consistent color code is used, wir-
ing problems will be minimized.

The system comes with a 15-port hub built into the cardframe (PLB-CF10). 
The maximum length of wire per port is 1,000 feet. Each PHASTLink device 
has two RJ-45 connectors to allow multiple devices to be daisy-chained on 
one PHASTLink port. Refer to the PLB-CF10 documentation for more 
detailed connection information.

The limit for each home run is 10 PHASTLink devices. Extra hubs can be 
added to provide additional ports.

Note:

 Only one PHAST keypad can be used per port, so home-run each 

keypad (FIG. 2).

For optimum performance, you must install a double 120-ohm terminator in 
one of the RJ-45 jacks of the last device (or the only device) in a chain of 
PHASTLink devices.

To build a double 120-ohm terminator:

1.

Install a 120-ohm resistor (1/4-watt or larger) between pins 1 and 2 of 
an RJ-45 connector.

2.

Install a 120-ohm resistor (1/4-watt or larger) between pins 7 and 8 of 
the same RJ-45 connector.

FIG. 1  PMB-RF RF Receiver

Specifications

Color

Black

Data Bus

2 - RJ-45 PHASTLink connectors on rear panel

Power Supply

12 VDC, 1 Amp, DIN barrel connector on rear panel

Power Indicator

Red LED on front panel

Link Indicator

Green LED on front panel

RF Data Indicator

Red LED on front panel

Identify

One ID (identify) button on front panel

Antenna

BNC RF connector on rear panel

Certification

Certified for operation under FCC Part 15, Class B

Dimensions (HWD) .93" x 1.6" x 2.97" (2.36 cm x 4.06 cm x 7.54 cm)

Pin #

Wire Color

Polarity

Function

1

White/Green

+

Transmit

2

Green

-

Transmit

3

White/Orange

-

Mic

4

Blue

-

Ground

5

White/Blue

+

12VDC

6

Orange

+

Mic

7

White/Brown

+

Receive

8

Brown

-

Receive

It is important that the correct pairing is observed. Transmit, 
Receive, and Mic need to be on twisted pairs. Splitting pairs 
(e.g., using a white/green wire with a blue/white wire for 
transmit) will result in increased crosstalk, and may result in 
bus failure or noise on the intercom.

FIG. 2  Home-run each PHAST keypad.

1 2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

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