Codan Radio MT-4E Paging - Manual (Page 31)

MT-4E PAGING SYSTEMS | USER GUIDE
Chapter 3: MT-4E Paging System Components Page 23
SUBRACK
The SR-39-1 subrack is designed to hold and interconnect the MT-4E series of receiver, transmitter and
control modules on one universal motherboard. The subrack has room for two receiver and transmitter
pairs. The left side connectors are reserved for transmitter A and receiver A, while the right side
connectors are reserved for transmitter B and receiver B. See Figure 3-14.
Figure 3-14: Standard Subrack Confi guration
If a VHF or UHF 30 Watt power amplifi er is installed, only one transmitter and receiver pair can be
installed. The power amplifi er takes up two slots as shown in Figure 3-15.
Figure 3-15: Standard Subrack with Power Amplifi er
SYSTEM
REGULATOR
RECEIVER
B
TRANSMITTER
B
RECEIVER
A
TRANSMITTER
A
CONTROL
CARD
POWER AMPLIFIER
A
SYSTEM
REGULATOR
RECEIVER
A
TRANSMITTER
A
CONTROL
CARD