COMSPHERE 3600 Series Data Service Units
RespondRDL:Disab
Next
Enab
Disab
Respond to Remote Digital Loopback . Determines whether the DSU responds to a 2500 or V.54 Remote
Loopback request.
Enab
—
Performs a Digital Loopback.
Disab —
Ignores the Loopback command.
LL by DTE: Disab
Next
Enab
Disab
Local Loopback by DTE . Controls the use of Pin 18 of the EIA-232-D/V.24 interface or Pin L of the
V.35 interface by the DTE to initiate a Local Loopback when the DSU is the active device. Whenever this
lead is ON, the Local Loopback overrides any other diagnostic tests run by the network.
Enab
—
The DTE forces the DSU into Local Loopback when the signal on Pin 18 or Pin L is turned ON.
Local Loopback ends when the signal is dropped.
Disab —
The DTE will not initiate Local Loopback in response to the signal on Pin 18 or Pin L.
RL by DTE: Disab
Next
Enab
Disab
Remote Digital Loopback by DTE . Allows the use of Pin 21 of the EIA-232-D/V.24 interface or Pin N of the
V.35 interface by the DTE to initiate a Remote Digital Loopback. This configuration option only has an effect
if Link Configuration is set to Pt-Pt.
Enab
—
The DTE forces the DSU to request a Remote Digital Loopback when the signal on Pin 21 or
Pin N is turned ON. Remote Digital Loopback ends when the signal is dropped.
Disab —
The DTE cannot initiate Remote Digital Loopback.
Bilat Lpbk:Disab
Next
Enab
Disab
Bilateral Loopback . If this configuration option is enabled, a DTE Loopback occurs when a Digital Loopback
occurs.
Enab
—
When enabled, DTE Loopback occurs whenever a Digital Loopback occurs.
Disab —
Disables Bilateral Loopback.
6-26
Table 6-6
(4 of 8)
General Configuration Options
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July 1999
3610-A2-GB91-90