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8 01-0870-401B 01/03
Installing the TDR6
TMAC-6125 The TMAC-6125 is the master controller module.
TMAC-6125 Ports
The TMAC-6125 provides the following ports:
■ ASI IN – accepts the incoming ASI transport stream, with data rates up to
104 Mbps, on a female BNC connector, 75Ω impedance
■ ASI OUT – outputs a DVB/ASI compliant transport stream as a loop through
of the input signal on a female BNC connector, 75Ω impedance. The output
follows the input selected, i.e., ASI or RF.
The ASI Out port provides a pass through relay; if power is lost, the input is
directly connected to the output.
■ USER DATA A and B – identical data ports that are independently
configurable for either RS-422 synchronous/asynchronous communications
up to 4.096 Mbps or RS-232 asynchronous communications up to 38.4 kbps
Both User Data ports are female, DB-9 connectors.
■ FAULT RLY (relay) – female RJ-11 connector that provides three
connections to create a form-C status relay
The fault relay indicates a non-normal, or fault, condition when power is
removed through a power failure, a power switch turned off, or an unplugged
unit. The fault relay can also report user-programmable faults.
A fault condition is indicated by contact closure between pins one and three,
and an open contact between pins one and six. Fault Relay pin assignments
are provided in the port pinout appendix.
■ ETHERNET – female RJ-11 connector that provides remote control of the
TRD6 over a network
■ REMOTE – female DB-9 connector that provides an RS-232 remote control
interface to the TRD6
Remote control port pin assignments are provided in the port pinout appendix.
Connecting to a Remote Unit
The TMAC-6125 enables you to connect a remote unit to the TDR6 using the
Remote port. A remote unit may be any device capable of asynchronous
communications at RS-232 electrical levels including:
■ Personal computer with an asynchronous communications software
application installed
■ ASCII computer terminal
To install a remote unit:
1. Connect a cable between the remote unit and the TDR6 remote control port.
2. Configure the communications software parameters of the remote unit to
match the DVB default settings of the TDR6 remote control port.
PUSH
HERE
TMAC-6125
IN OUT
ETHERNET
FAULT RLYUSER DATA B USER DATA A REMOTE
ASI