Get Familiar With Input And Output Ports - FrontRow CM900 Installer's Manual

2. Get familiar with input and output ports

1
AUX Power Out (12Vdc, 1.0A)
Used to power other components. Most
often used in ezRoom applications to
power the TB-14.
2
Channel 1 Audio Line In (switchable)
Connect other classroom media sources
(computer, wireless mic receiver, DVD) to
play audio through connected speakers.
3
Channel 1 Switch (Stereo/Balanced)
Use these switches to change the input for
Channel 1. Set both switches to stereo for
stereo input or both switches to Balanced
& Mono for mono input. Do NOT have one
switch on stereo and one on balanced.
4
Channel 2 Audio Line In (stereo)
Connect other stereo classroom media sources.
5
Channel 3 Audio Line In (stereo)
Connect other stereo classroom media sources.
6
Channel 1 Switch (Stereo/Mono)
Use these switches to change the input for
Channel 1. Set both switches to stereo for
stereo input or both switches to Balanced
& Mono for mono input. Do NOT have one
switch on stereo and one on mono.
7
PA Out
Terminal to connect speakers. 2 x 8w (8Ω),
2 x 16w (4Ω).
8
Line Out
Audio output for lesson capture or to send
audio to another device.
9
Main Power In (12Vdc, 5.0A)
*For fault status, see Appendix C: Troubleshooting (LED Status)
1 2 4
3
9 11
10
18
19 20
10
PoE Power In (12Vdc, 2.0A)
Power jack to connect separate PoE
extractor module. Provides power in event
of a mains interruption.
11
LAN (RJ45)
Provides network connection to device.
10/100Mb/s (auto sensing) using either
TCP/IP or UDP protocols.
12
RS232
Can be used to control two RS232 devices.
The second serial port can also be config-
ured as an input to allow the CM900 to be
controlled via RS232.
13
PGO Detect
Page override interface with 20/70/100V
analog paging systems. Automatically mutes
audio coming from CM900 system during a
paging event.
14
Alarm Detect
Connect to an alarm system to trigger events
or mute audio when the alarm is triggered
15
Intercom (RJ45)
Connect the CB75 intercom panel micro-
phone for communication with front office
when push-to-talk is required (can also be
used with CB85). Connect a CB50 volume
control with a TB8 cable for basic volume
and mute control. Connect the CMBT
Bluetooth audio receiver for wireless audio
streaming and pass-through support for
CB85 mic and CB55 volume control.
6 7
5
13 15
12 14
21
2
8
16 17
22
16
IR Blaster
Routes IR control signals to devices
connected via an IR emitter cable.
17
Relay (2.0A)
Allows triggering of third party devices,
like strobes or door locks. Can be wired for
"Always Open" or "Always Closed".
18
PA Fault LED*
Indicates the mute/unmute status of the
local audio ("CH1 Line In" and "CH2 Line
In" ports). Normal operation: solid amber
(muted), unlit (unmuted).
19
Error LED*
Indicates firmware error. Normal operation:
unlit.
20
Status LED*
Indicates the overall operational status of
the CM900. Normal operation: green LED
blinks ½ second on + ½ second off.
21
LAN In
Used with #22 CLAN Out; connect to a net-
work switch.
22
CLAN Out
Used with #21 LAN In to add power to the
network connection; connect to a CB6000
or CB2000 wall control.