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CSU
Parameters
LBO:
00 = 0
01 = -7.5
10 = -15.0
11 = -22.5
980-001-0210G
June 1999
Table 4-1 Two-Position DIP Switch Functions
Pos. 1
Pos. 2
OFF
OFF
ON
ON
To set the T1 Line configuration and CSU operating mode:
1. Set the two-position DIP Switch - 1 = ON, 2 = OFF.
2. Set the 12-position DIP Switch to select the configuration.
3. Depress the NVM RESET / CONFIG push button for at least one second to enter
the parameters in the unit's NVM.
The meaning of the 12-position DIP Switch settings are shown in Figure 4-2 and de-
scribed as follows:
Switch positions 1 - 2 select the LBO setting from 0 to -22.5 dB.
Switch positions 3 - 4 select the Framing Mode of ANSI, AT&T, or SF.
Switch position 5 selects the coding method B8ZS or AMI.
Switch position 6 selects whether the Tx data input is aligned with the DCE-supplied
clock, or the DTE-supplied clock.
Switch position 7 selects Frame Relay or Transparent (Clear Channel) mode.
Switch positions 8 - 12 are reserved for future use and should remain off.
1
2
3
4
5
6
O
N
Fram e:
00 = AN SI
01 = AT&T
10 = SF
11 = Resv.
* Changes to these item s w ill cause unit to reset.
Figure 4-2 Set CSU Parameters
NetPath 100 User's Manual - Installation Guide
OFF
Set WAN Management DLCI address
ON
Set time slots
OFF
Set CSU parameters
ON
Reserved
Set CSU Param eters
9
7
8
10
11
12
4 Operation
Function
1
2
O
N
Reserved (Off)
O n = Transparent (C lrChan) *
O ff = Fram e Relay M anagem ent *
O n = DTE, O ff = DCE
(Transm it Data Clock S ource)
O n = AM I, O ff = B8Zs
4-3
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Troubleshooting
