T3 IP telephone cabling
20
8
7
6
5
4
3
2
1
TD+
TD-
RD+
RD-
GND
-48VDC
35..57V
1: TD+ Transmit Data +
2: TD- Transmit Data –
3: RD+ Receive Data +
6: RD- Receive Data –
4 and 5: GND
7 and 8: – 48 V DC
(35...57
V)
c)
Remote power supply via the LAN (PoL with phantom power supply):
The telephone is supplied with power using the signal wires in the LAN cable. This is
also possible with 2-pair cables.
Max. range: 100 m with Cat. 5 cable 26 AWG (same as transmission range acc. to
IEEE802.3u).
Detection and power supply in accordance with current standard 802.3a/f (endspan
solution).
1: TD+ Transmit Data +
2: TD- Transmit Data –
3: RD+ Receive Data +
6: RD- Receive Data –
Phantom power supply
1 and 2: – 48 V DC
(35...57 V),
3 and 6: GND
8
7
6
5
4
3
2
1
TD+
TD-
RD+
RD-
GND
-48VDC
35..57V
Phantom supply
Network
T3 IP phone
lower side
Network
T3 IP phone
lower side
Содержание T3 Comfort
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