Patton electronics IM2RC/F User Manual

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Brand: Patton electronics

Category: Modem

Type: Operation & user’s manual for Patton electronics IM2RC/F

Pages: 11 (0.15 Mb)

Download Patton electronics IM2RC/F Operation & user’s manual

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Switch S1: Reserved for Future Use
Switch S1 is reserved for future use and should remain in the Off
position.
Switch S2: Operation Mode
Use Switch S2 to set the IM2RC/F for either Clear Channel or
Octet Timing Mode. Most installations use Clear Channel (64kbps)
Mode operation, though some installations may use Octet Timing
Mode.
When operating in octet timing mode, the IM2RC/F facilitates a
sense of frame synchronization by inserting bi-polar violations in the
AMI conding structure. When the IM2RC/F is set to Octet Timing Mode
(On position), all communications equipment in the channel must be
configured to communicate at 128 kbps (64 kbps data plus 64 kbps
octet framing pattern) Additionally, all terminal equipment must support
octet timing. When set to Clear Channel Mode, the system operates at
64 kbps.
S2 Setting
Off Clear Channel Mode
On Octet Timing Mode
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3.0 CONFIGURATION
This section describes how to configure the IM2RC/F rear card.
Please refer to the appropriate function card user manual to configure
the function card.
3.1 CONFIGURING THE IM2RC/F HARDWARE SWITCHES
The Model IM2RC/F rear card features an eight position DIP switch
mounted on the rear of the printed circuit board. Use these switches to
configure G.703 operational and timing modes. Figure 1, below shows
the position of the DIP switches on the board.
Figure 2 shows the orientation of the DIP switches with respect to
the “ON” and “OFF” positions.
Figure 2. Close up of Configuration switches
Figure 1. Model IM2RC/F Card Showing DIP Switches
OFF
OFF
ON
ON
DIP Switches
Position Function Factory Default
S1 Reserved for Future Use Off
S2 Operation Mode Off Clear Channel
S3 Timing Mode OffNetworkTiming
S4 Reserved for Future Use Off
S5 Reserved for Future Use Off
S6 G.703 Transmit Octet Off Injected BPVs
S7 Reserved for Future Use Off
S8 Reserved for Future Use Off
SWITCH SUMMARY TABLE
WARNING!The IM2RC/F card contains sensitive
integrated circuitry. Failure to ground yourself during
configuration may result in damage to the IM2RC/F card or
the front function card.
Notice!The RJ-45 G.703 port of the Model IM2RC/F is
intended to connect to telecommunication network voltage
(TNV) circuits which may carry dangerous voltages. Therefore
the power and network cables must be disconnected prior to
switch configuration.