Polycom Cable - 25ft, RJ45 - SS  (2457-00449-001.) Logo

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Anonymous Posted on Jan 20, 2012

Which pair is for power?

The Soundstation does not come ON

  • 2 more comments 
  • Anonymous Jan 20, 2012

    This cable is for both the power and voice signal to the Soundstation, which is the pin-outs for power?

  • Anonymous Jan 22, 2012

    STANDARD SOURCE LOAD REMARKS
    Ethernet RJ-45 connector pin number
    Source Voltage 1 2 3 4 5 6 7 8 Load Voltage DC Load Connector
    IEEE 802.3af
    using data pairs 48 V DC, protected RX, DC+ RX, DC+ TX, DC- spare spare TX, DC- spare spare (embedded) Industry Standard for active PoE
    IEEE 802.3af
    using spare pairs 48 V DC, protected RX RX TX DC+ DC+ TX DC- DC- (embedded) Industry Standard for passive PoE
    Intel, Symbol, Orinoco Usually
    12 or 24 V DC RX RX TX DC+ DC+ TX DC- DC- (embedded) Most Brands of PoE
    Cisco
    (OLD old standard) 48 V DC RX RX TX DC- DC- TX DC+ DC+ (embedded) Older Cisco polarity is
    REVERSED
    Cisco
    (NEW old standard) 48 V DC RX RX TX DC+ DC+ TX DC- DC- (embedded) New Cisco is IEEE compliant
    Cisco (very unusual)

    28 V DC DC+ DC- TX n.c. n.c. TX RX RX (embedded) Seen on Cisco 7936 conference station
    D-Link (Adapter) 48 V DC RX RX TX DC+ DC+ TX DC- DC-
    [email protected]
    or 12VDC@1A

    DC coaxial
    5.5/2.5mm D-Link PoE Adapter for non-PoE products.
    Apple MacIntosh AirPort PoE, Extreme 48 V DC RX RX TX DC?? DC?? TX DC?? DC?? Converted to ??? DC coaxial
    (???) Mac Polarity Unknown
    HyperLink Many DC Voltages Available RX RX TX DC+ DC+ TX DC- DC- same as input DC coaxial and others available Variety of Options Available to Fit Most Brands of PoE
    NYC Wireless
    Roll Your Own 12 or 24 or 48 V DC RX RX TX DC+ DC+ TX DC- DC- same as input DC coaxial
    or as reqd New York City Wireless PoE
    3Com AirConnect 24 V DC RX RX TX spare spare TX DC+ DC- 3Com AirConnect wireless access points
    Alvarion VL 55 Vdc RX RX TX DC+ DC- TX DC+ DC-

  • Anonymous Jan 22, 2012

    12345678
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    |-|

  • Anonymous Jan 22, 2012

    Well i tried to draw it, but it didn't come out that great. LOL. The pins are numbered from left to right, as you are holding the connector in your hand like you are going to insert it into the female receptacle, with the tab pointing down. Typically numbers 4 and 5 are positive, and numbers 7 and 8 are negative.

    Like I said, this is typically how they are!!!!!! I cannot make any guarantee that your equipment is set-up this way. PROCEED WITH CAUTION!!!!!!!!!

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  • Posted on Jan 20, 2012
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It gets it's power from a wall outlet, not from the phone line

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