DigitalMedia Presentation Systems
Crestron
DMPS-100/200/300-C/300-C-AEC
24
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DigitalMedia Presentation Systems: DMPS-100/200/300-C/300-C-AEC
Operations Guide – DOC. 7219D
Connectors, Controls & Indicators (Continued)
#
CONNECTORS
1
,
CONTROLS &
INDICATORS
DESCRIPTION
23
RELAY
(1) 8-pin 3.5 mm detachable terminal block;
Comprises (4) normally open, isolated relays;
Rated 1 amp, 30 volts ac/dc;
MOV arc suppression across contacts
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(2) for DMPS-100-C; (4) for DMPS-200-C; (6)
for DMPS-300-C: 5-pin 3.5 mm detachable
terminal blocks, comprise balanced
microphone/line audio inputs;
Balanced mic input level: -57 to -12 dBV,
240 mVrms maximum;
Balanced line input level: -28 to +11 dBV,
3.7 Vrms maximum;
Unbalanced line input level: -34 to +5 dBV,
1.85 Vrms maximum;
Mic input impedance: 3.9k
Ω
, accepts 60 to
600
Ω
source;
Line input impedance: 19k
Ω
balanced, 9.5k
Ω
unbalanced;
Phantom power: 48 volts dc, software
enabled/disabled per channel
25
COM A – B
(2) DB9 male, bidirectional RS-232 ports;
Up to 115.2k baud, hardware and software
handshaking support for communication with
serial devices. Can also be used for modem
communications. The following table lists the
pin assignments of the serial ports.
PIN
DIRECTION
DESCRIPTION
1
To DMPS-
100/200/300-C
(DCD) Data Carrier
Detect
2
To DMPS-
100/200/300-C
(RXD) Receive Data
3
From DMPS-
100/200/300-C
(TXD) Transmit Data
4
From DMPS-
100/200/300-C
(DTR) Data Terminal
Ready
5
Common
(GND) Ground
6
To DMPS-
100/200/300-C
(DSR) Data Set
Ready
7
From DMPS-
100/200/300-C
(RTS) Request To
Send
8
To DMPS-
100/200/300-C
(CTS) Clear To Send
9
To DMPS-
100/200/300-C
(RI) Ring Indicator
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NET
(4) 4-pin 3.5 mm detachable terminal blocks;
Cresnet Master ports, paralleled;
Available Cresnet Power: 30 watts
24
: Power (24 volts dc)
Y
: Data
Z
: Data
G
: Ground
(Continued on following page)
