Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL Electronics Inc.
I N S T R U C T I O N D A T A
RFL OCUDP (Office Channel Unit Data Port) Module
Frame Relay Users (DYMEC Dynaster 2000): See Application Note at the end of this document
DESCRIPTION
The RFL OCUDP is a single slot module designed for use in IMUX 2000 T1 multiplexers and
provides the interface between a DS0 timeslot of the T-carrier data stream and the 4-wire metallic loop
extending to a midspan DDS repeater or the customer premises. The OCUDP can interoperate over the
carrier system with another OCUDP or a DS0DP at a central office. The card can transmit and receive
data at a rate of 56 kbps.
The OCUDP module has eight LEDs, one each for receiving idle code, no sealing current, OCU
loopback, CSU loopback, line loopback, and three presently unused. There is also a green LED to
show when the card is in service.
The OCUDP is remote-controllable when installed in an RFL remote controllable shelf. The following
module parameters can be configured remotely via SCB or locally via DIP switches.
o Local/Remote Use DIP switches or SCB
o Transmit timeslot Sets the transmit T1 channel slot
o Receive timeslot Sets the receive T1 channel slot
o Baud rate Sets the DDS data baud rate
o Zero code suppression Ensures pulse density for an AMI T1 data stream
o AB signaling enable Determines the state of the A and B signaling bits
o Latched loopback Enables loopback response capability for the OCUDP
RFL OCUDP RFL Electronics Inc.
July 15, 2010 1 (973)
334-3100
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