MPS-Series – Installation Guide
U-0664-0174.doc – Issue: 07 complete, approved
Page 19 of 24
RJ45 Socket
Pin No. Signal Description
1 TRANSMIT+ O/P 100BASE-T Ethernet
2
TRANSMIT
−
O/P 100BASE-T Ethernet
3 RECEIVE+ I/P 100BASE-T Ethernet
4 and 5 DC+ I/P +V supply input (PoE: 42 – 57 V DC)
6
RECEIVE
−
I/P +V supply input (PoE: 42 – 57 V DC)
7 and 8
DC
−
I/P 100BASE-T Ethernet
①
ETHERNET
Ethernet Port
8
7
6
5
4
3
2
1
• PoE (Power over Ethernet): see Figure 16 (page 17) for required link settings
• The Ethernet port can be used for digital audio I/O and for configuration purposes
• Ethernet and PoE connections do not provide EN 54-16 compliance
• ASL protocols supported over IP: ASL Serial, TRL (Transactionless) and Paging (DMS).
The protocol is defined by the host (if any), and the MPS will automatically discover the
protocol upon connection.
USB Type B
Pin No. Signal Description
1 VBUS I/P +V supply input
2
D
−
I/O Negative Data Channel
3 D+ I/O Positive Data Channel
4 GND
−
Ground
②
USB
USB Port
2 1
3 4
• USB port can be used for digital audio I/O and for configuration purposes
• Refer to ASL for software compatibility details
RJ45 Socket
Pin No. Signal CAT5 Cable
(EIA 568-B)
Description
1 PTT-2+ O/P White/Orange Push-To-Talk switch to Router 2
(internally fitted with 6k8/470 Ω
resistors)
2 PTT-1+ O/P Orange Same as above, but to Router 1
3 LISTEN-IN+ I/P White/Green Listen-in audio from Router
(+ve / 0 dBu nominal / 10 k
Ω)
4 SPEAK NOW LED-1 I/P Blue Cathode of Speak Now indicators
with built-in 2k2
Ω series resistor
from Router 1 (anode is internally
connected to 15-40 V supply)
5 SPEAK NOW LED-2 I/P White /Blue Same as above, but from Router 2
6
LISTEN-IN
−
I/P Green Same as above Listen-in, but -ve
7 PTT GND I/P White/Brown PTT-1 or PTT-2: connection to 0 V
or Router PTT-
8 PTT GND I/P Brown Same as above
1
2
3
4
5
6
7
8
Orange/White
Orange
Green/White
Blue
Blue/White
Green
Brown/White
Brown
EIA 568-B
③
ROUTER MIC AUX PORT
ASL Aux. Microphone
Port (Listen-in and
Hardware Bypass
PTT+Speak-Now)
8
7
6
5
4
3
2
1
• Used to provide hardware bypass and listen-in functions
• Hardware bypass is provided on inputs 1 and 2 of ASL Voice Alarm Routers
• Used in addition to one or both standard ASL microphone ROUTER 1 and ROUTER 2
ports below
• Routers with All Call LED connection: a pull up resistor (10 kΩ / 0.25 W) to +V supply is
required in order to suppress the All Call LED fault
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