User's Manual

TD 93021US Rev A
10 FEB 2014 / Ver A 125
Installation Guide
teleCARE IP
Caution: The display will not work on supplementary non-standard (reversed polarity)
ethernet switches
using a normal straight cable . A “Reverse Polarity Cable” is required when
connecting to a reversed polarity switch.
Figure 172. Single and double sided display network connection
Corridor Display Power Requirements
The following table shows the power requirements for the various corridor displays.
Table 10. Corridor display power requirements
When using an external power supply to power the display, a shielded PoE injector is required with the
24Vdc negative lead “-” connected to the shield. The 24Vdc from the external supply will be injected
on the spare wires of the network cable (SP1 and SP2 pairs).
Display Type PoE type PoE Class
Power Consumption
Ext. Supply PoE Supply
24 Vdc 42 Vdc 57 Vdc
6 character
Single Sided
PoE
(802.3af)
Class 2
< 6.49 W
7.6 W
0.31 A
7.5 W
0.17 A
7.9 W
0.14 A
6 character
Double Sided
PoE
(802.3af)
Class 0
< 12.94 W
15 W
0.62 A
13.8 W
0.32 A
14.0 W
0.24 A
12 character
Single Sided
PoE
(802.3af)
Class 0
< 12.94 W
11.3 W
0.47 A
10.8 W
0.25 A
11.0 W
0.19 A
12 character
Double Sided
PoE+
(802.3at)
Class 4
< 25.50 W
22.7 W
0.94 A
21.2 W
0.50 A
21.4 W
0.37 A