Datatek DT-4180 User Manual
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9 4 8 0 , 4 1 8 0 , 4 2 8 0 , 4 2 8 4 4 0 0 0 X A U s e r
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uses the IP “real time protocol (RTP)” for delivery in an expedient manner without under-
run or over-run. The TSR may be configured in one or multiple instances of the same
command (changes are cumulative).
The frmr parameter indicates what basic framing is being used. A value of T1 is used for
domestic 1.544 MHz interfaces with 193 Bit Superframes. A value of E1 is used for
European interfaces at 2.048 MHz with 256 Bit Superframes.
The prof parameter indicates the Transmission Waveform to be used with T1 transport.
There is only one E1 transport profile, which is automatically set. The following table
indicates the available waveforms for T1.
Option
Description
0DB
T1 Long Haul w/ 0 DB Attenuation.
7DB
T1 Long Haul w/ 7.5 DB Attenuation.
15DB
T1 Long Haul w/ 15 DB Attenuation.
22DB
T1 Long Haul w/ 22 DB Attenuation.
S0
T1 Short Haul @ 0-110 Feet.
S110
T1 Short Haul @ 110-220 Feet.
S220
T1 Short Haul @ 220-330 Feet.
S330
T1 Short Haul @ 330-440 Feet.
S440
T1 Short Haul @ 440-550 Feet.
S550
T1 Short Haul @ 550-660 Feet.
T0
TR62411 T1 Long Haul w/ 0 DB Attenuation.
TS0
TR62411 T1 Short Haul @ 0-110 Feet.
TS110
TR62411 T1 Short Haul @ 110-220 Feet.
TS220
TR62411 T1 Short Haul @ 220-330 Feet.
TS330
TR62411 T1 Short Haul @ 330-440 Feet.
TS440
TR62411 T1 Short Haul @ 440-550 Feet.
TS550
TR62411 T1 Short Haul @ 550-660 Feet.
The TR62411 nomenclature indicates compliance to the AT&T TR62411 ACUNET T1.5
pulse template. It is to be used for situations requiring such compliance.
The timing parameter indicates the timing signal to be used for transmission. A value of
INT (internal) indicates that the 4000XA/4180 should generate the transmit clock
internally from its precision oscillator. A value of NET (network) indicates that the
4000XA/4180 should recover the transmit clock from the receive data stream and use it
for transmission. It should be noted that there may only be one master clock in the DSU
interface between components, and there must be one master clock in that interface.
The tsrate parameter indicates the type of timeslot to be used. This is used for support
of time slots which do not operate at the full 64K rate. The most prevalent is a 56K
timeslot for DDS and Frame Relay protocols. These sub-rate timeslots may be
connected to a remote channel bank to provide for remote HDLC connections.