
TD 92022GB
2002-11-13/ Rev. A
Installation Guide
H/U952T Terminal Transmitter
6
3.5
Connection of Buses and Control Equipment
Buses are connected either via modular bus cabling or twisted-pairs.
Note:
Data buses are polarized! Use only twisted-pairs for separate wiring!
Bus Connections via Modular Bus Cabling
Figure 8. Modular bus cable pins.
Note that only D- and SP-bus are used by the transmitter. When the modular bus cable is
used, no further connection of the SP-bus to T952SM/FL Speech and Frequency Lock
module is required.
• Connect the modular bus cabling to connectors J100 and J101, see
Bus Connections via twisted-pairs
Figure 9. Connection via twisted-pairs.
• Connect the D bus to connector J103, screw 1 and 2.
• If speech is used, see
Connection of SP/FL bus via twisted-pairs
on page 11 in
“
Connection of Control Equipment
• Connect control of H/U954 Power Amplifier* to J103 screw 3 and 5,
and
H/U950SC
Output Power Surveillance Module* to J103 screw 4 and 5, see
above.
*See also the installation guides for the respective units.
Note:
H/U989M Monitor Receiver (phased out product) is connected in the same ways as
H/U950SC.
Pin 1
234567
Pin 8
Pin
1
2
3
4
5
6
7
8
Signal
A1 data bus
A2 data bus
B1 data bus
B1 data bus
D1 data bus
D2 data bus
SP1 speech bus
SP2 speech bus
J100 + J101
J103
1 D1
2 D2
3 Booster control
4 Monitor input
5 GND
H/U952T
D-bus, connection
to a Central Unit
Control of H/U954
H/U950SC