Location Pin Assignment Type Signal Characteristics
Input Logic High: 3.0–14 VDC
25 Tx Audio 2
5
Audio Transmit Audio – Nominal input level is 80 mVrms for 60%
deviation with scaling factor set to 100%. 600 Ω input
7.2.9
Frequency Reference
The Frequency Reference port is a BNC (female) type connector. Figure 33: Frequency Reference
Connector on page 74 depicts the Frequency Reference connector.
Figure 33: Frequency Reference Connector
Various external frequency reference signal types can be provided to the SLR 5000 series repeater for
normal operation. Table 33: Frequency Reference on page 74 provides a list of acceptable input
signal types as well as their permissible levels.
Table 33: Frequency Reference
Frequency (MHz) Waveform
6
Level (Vpp) Impedance (Ω)
7
Note
5 Sine 1.5–5.3 100 k AC Coupled
5 Square
6
1.5–5.3 100 k AC Coupled
10 Sine 1.5–5.3 100 k AC Coupled
10 Square
6
1.5–5.3 100 k AC Coupled
7.2.10
Receiver RF
The Receiver RF port is a BNC (female) type connector. Figure 34: Receiver RF Connector on page
74 depicts the Receiver RF connector.
Figure 34: Receiver RF Connector
7.2.11
Transmitter RF
The Transmitter RF port is an N-Type (female) type connector. Figure 35: Transmitter RF Connector
on page 75 depicts the Transmitter RF connector.
6
Square wave duty cycle range is 45–50%.
7
Impedance of the SLR 5000 series repeater's frequency reference port.
Chapter 7: SLR 5000 Series Back Panel
Motorola Solutions Confidential
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