5
Factory default configuration options are shown in boldface type in the following tables.
Table 1. DTE Interface Configuration Options
Option
Factory
Comments/Description
DTE Port:
Enab
Enables the use of the DTE Drop/Insert port
DTE Port:
Disab
Enables the use of the DTE Drop/Insert port.
DTE Frame:
CRC4
Selects framing format
DTE Frame:
noCRC
Selects framing format.
DTE Coding:
AMI
Selects line coding format
DTE Coding:
HDB3
Selects line coding format.
Extrn DLB:
Enab
Allows control of DLB on external contact closure
Extrn DLB:
(External DTE Loopback)
Disab
Allows control of DLB on external contact closure.
Send Ones:
Enab
Sends all ones on channels allocated to the network E1 on
Send Ones:
Disab
Sends all ones on channels allocated to the network E1 on
LOS, LOF, or AIS.
Table 2. Port Configuration Options (1 of 2)
Option
Factory
Comments/Description
E530
Port Type:
V.35
S l
t th
t t
EIA 530A V 35 RS449
X 21
Port Type:
RS449
Selects the port type: EIA-530A, V.35, RS449, or X.21.
X.21
B
R t
Nx64
E
bl
th
t t
ith
N 56
N 64
t
Base Rate:
Nx56
Enables the port to either Nx56 or Nx64 rates.
N t DCLB
Enab
Network-initiated DCLB, allows DCLB to be controlled by
Net DCLB:
Disab
Network-initiated DCLB, allows DCLB to be controlled by
inband V.54 codes.
Disab
Port LB:
DTLB
Port-initiated Loopbacks, allows Loopbacks to be initiated
Port LB:
DCLB
Port-initiated Loo backs, allows Loo backs to be initiated
through the port by the external DTE.
Both