Motorola PTP 600 - Manual (Page 6)

GPS SynchronizaTion UniT GUiDE 6
Installation
Enabling TDD synchronization is a two-stage process:
• install the GPS Synchronization Unit (Motorola part number WB3001)
• Enable TDD synchronization mode on the PTP 600 radio and configure related parameters using the
PTP 600 Web GUi interface
The following are deployment considerations for an UltraSync™ GPS-100M with a PTP 600 Series link:
• Fixed-frequency operations only
• Fixed TDD operation only – all synchronized links have the same ratio master to slave
• not presently available when radar avoidance is enabled
• networks need to be planned carefully
The following illustration shows the connections in the UltraSync GPS-100M:
• interface Specifications
> Sync Port (Port 1): Motorola proprietary differential 3.3V (nominal) peak-to-peak signal presented
on pins 4(+) and 5(-) of Port 1 (rJ-45 connector)
> Ethernet pass-through on Ports 2 and 3
• Maximum cable Lengths
> Sync Port: 2’ (0.6 m)
> Ethernet Port 2: 330’ (100 m)
> Ethernet Port 3: 2’ (0.6 m)
Motorola strongly recommends purchasing and installing the Motorola wi4 Fixed PTP Lightning Protection
Unit (PTP-LPU) as an integral part of a PTP 600 Series network. Because PTP 600 Series radios are often
located in situations that can attract lightning, the PTP-LPU shields the radio from sudden power surges
caused by electro-magnetic activity (lightning) before they can harm the unit. Two Lightning Protection Units
are required for each radio – installed on the wall, tower or mast adjacent to the PTP 600 radio, and one
installed at the cable entry point of the building in which the network resides. When correctly installed, the
Motorola PTP-LPU gives the PTP 600 Series radio the best protection from the harmful effects of lightning.
however, 100% protection is neither implied nor possible.
Sync Port 1 to oDU
pass Through Port 2 Ethernet
pass Through Port 3 Ethernet
UltraSync GPS-100M
connections