Synchronization Unit; Front-Panel Connectors, Controls, And Indicators - Philips IntelliVue Telemetry System Infrastructure Installation And Service Manual

Synchronization Unit

The Philips Synchronization Unit (Sync Unit) (Figure 1-7) provides a necessary
common clock signal to synchronize all the IntelliVue Access Points in the system.
Access Points need to be synchronized so that as the patients move around the
hospital they are able to maintain and hand over connections between the Access
Points seamlessly without interruption.
FROM POWER HUB (PoE Unit)
AP/SU (to APs or slave SUs)
Power Receptacle
The Sync Unit can be rack mounted (recommended) or placed freestanding on a flat
surface.
Each Sync Unit provides synchronization for up to 12 Access Points (AP). Maximum
cable length between a Switch/PoE Unit/Sync Unit/Access Point is 100m (328ft.)
(normal LAN Ethernet rules).
The Sync Unit provides the following front-panel connectors, controls, and
Front-panel
Connectors, indicators:
Controls, and
• FROM POWER HUB (PoE Unit) - Top row of connectors. 1 to 12 input RJ-45
Indicators
connectors, power inputs (48VDC) from the PoE unit, as well as 100Base-T
Ethernet.
• AP/SU (to APs or slave SUs) - Bottom row of connectors. 1 -12 'main' output RJ-
45 sockets, to APs carrying power (48VDC) and synchronization as well as 100-
base-TX Ethernet. These can feed APs or slave Sync Units.
• TO SLAVE SU - Output RJ-45 port carrying synchronization signal to a slave Sync
Unit. Category 5 (or greater) UTP cable length attached between this output and
the input of the upstream Sync Unit can be up to 500m.
• TO MASTER SU - Input RJ-45 socket designed to connect to the output of
another Sync Unit. This can be either the 'to slave' or a 'main' output of the
upstream unit
• POWER LED - Lights green when AC power is present.
• EXT REF. LED - Always off as this LED is not used currently.
• SYNC IN LED - LED should be OFF if this Sync Unit is the Master. LED is lit
GREEN if unit is a Slave.
IntelliVue Telemetry System Infrastructure Installation and Service Guide
IntelliVue Telemetry System Infrastructure Components
TO SLAVE SU
1 2 3 4 5 6 7 8
FROM
POWER
HUB
AP/SU
1 2 3 4 5 6 7 8
Figure 1-7: IntelliVue Telemetry System Sync Unit
Master/Slave Switch
TO MASTER SU
TO
TO
9 10 11 12
SLAVE SU MASTER SU
POWER EXT REF SYNC. IN
9 10 11 12
Power LED EXT REF. LED SYNC IN LED
Cable Delay Switch
CABLE DELAY
6 EXT. 10MHz REF.
5
7
4
8
MASTER
SLAVE
3 9
2
10
1
1-11