WIRING CONFIGURATIONS FOR THE OCC AND ACM ................................. 20
2
INTRODUCTION
The Model RCM-1 Riser Control module from
Siemens Building Technologies, Inc.provides
control and supervision of global paging risers
in MXL voice networks. The RCM-1 is a doublewidth card and has 4 ports (See Figure 1) with
the following inputs and outputs:
PORTSTYLEFUNCTION
A
B
C
D
6Audio signal input
4/7Audio signal input/output
4Audio signal output
6Audio signal output
The RCM-1 supervises Port B for open and
short circuits, reports by exception to the MXL,
and isolates the fault.
must be used for transient protection (UL 1459).
Refer to LLM-1 Installation Instructions, P/N 315-
093530.
Modes of Operation
The RCM-1 can operate in the following modes:
Local ModeThe audio from the local MXL
(ACM) will be switched to local
speaker zones (OCCs). The
A D and B C
Global Mode 1The audio output from the local
C and D
B
Global Mode 2The audio from the local
A B, C and D
For additional information on the MXL/MXLV
System, refer to the MXL/MXLV Manual, P/N
315-092036.
global audio riser will be
switched to Port C, the Style 4
output riser.
MXL is disconnected. The
audio from the global riser is
connected to the local speaker
zones and to Port C, the Style
4 output riser.
system is connected to both
the local speaker outputs and
the global risers.
Figure 1
RCM-1 Ports
Only one RCM-1 may be connected to the
MXL. The module communicates with the MXL
using the RS-485 MNET. If the RCM-1 detects
that supervision is lost with the MXL, it will
automatically switch to Local Mode.
If any copper wire pair leaves the building
(Campus Configuration) the LLM-1 module
Diagnostic LEDs
The RCM-1 has two yellow diagnostic LEDs and
six green diagnostic LEDs along its top edge.
Their functions are described in Table 1 (Refer to
Figure 2 for their location).
ELECTRICAL RATINGS
tnerruCeludoMCDV5evitcAAm08
tnerruCeludoMCDV42evitcAAm081
tnerruCeludoMCDV42ybdnatSAm002
3
TABLE 1
RCM-1 DIAGNOSTIC LEDS
LEDCOLORFUNCTION
Any Trouble
XMIT Enable
XMIT A
XMIT B
XMIT F
LM1
GM1
GM2
YellowLights when the RCM-1 cannot communicate with the MXL.
YellowLights whenever the RCM-1 transmits a message to the MXL.
GreenLights when the RCM-1 transmits voice using the copper
wire RECV connections.
GreenLights when the RCM-1 transmits voice using the copper
wire XMIT connections.
GreenLights when the RCM-1 transmits voice using any of the fiber
optic ports.
GreenLights when the RCM-1 is in local mode.
Flashes when there is no valid carrier on the riser.
GreenLights when the RCM-1 is in global mode 1.
Flashes when there is no valid carrier on the riser.
GreenLights when the RCM-1 is in global mode 2.
Flashes when there is no valid carrier on the riser.
Figure 2
RCM-1 Module Board
4
Note:
Polarity must be observed
with all riser connections.
Odd pins are hi side while
even pins are lo side. See
the separate wiring
connections for the ACM/
TBM and the OCC shown
in Figure 12.
NOT USED
PORT C: Copper Interface, Transmit, Style 4 (CT4)
NOT USED
PORT B: Copper Interface, Receive, Style 4 (BR4)
PORT B: Copper Interface, Transmit, Style 4 (BT4)
NOT USED
PORT B: Copper Interface, Receive, Style 7 (BR7)
PORT B: Copper Interface, Transmit, Style 7 (BT7)
PORT B: Fiber Interface, Style 4 (BF4)
PORT B: Fiber Interface, Style 7 (BF7)
PORT C: Fiber Interface, Style 4 (CF4)
NOT USED
PORT D: Copper Connection To The OCC
PORT D: Copper Connection To The OCC
PORT A: Copper Connection To The ACM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
RCM-1
CABLE TO
MMB OR PSR
P/N 555-190967
OMM-1
OMM-2
or
Figure 3
Description of the RCM-1 Terminals
The RCM-1 can be connected in many different ways. Table 2 describes the various applications. The
block diagrams below show the possible configurations.
TABLE 2
RCM-1 APPLICATIONS
Application No.
(See Corresponding Diagram)
1Typical Style 4 installation
2Style 4 installation with a Style 4 output only extension
3Typical Style 7 installation
4Style 7 installation with a Style 4 extension
5Style 4 installation with fiber optic transmission
6Style 4 fiber optic with a Style 4 fiber optic output only extension
7Style 7 fiber connections with a Style 4 output only fiber extension
8Combination wire and fiber installation
Configuration
9Style 4 Repeater Installation
5
Application 1
Typical Style 4 Installation
RCM-1 Nos. 4, 5, and 6 have local ACMs, but cannot
output to the global bus — they can only receive.
Application 2
Style 4 with a Style 4 Output Only Extension
Application 3
Typical Style 7 Installation
6
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