Codan-radio MT-4E Paging Uživatelský manuál stáhnout pdf (Strana 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

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