T9000
Preliminary Data Sheet
November 2000
ISDN Network Termination Node (NTN) Device
7 Transmission Superblock (continued)
7.6 DFAC Register Set (continued)
Table 33. SCR1: S-Interface Control Register #1 (0x10)
Reg
R/W
Bit 7
—
Bit 6
—
Bit 5
—
Bit 4
RLB_D
0
Bit 3
Bit 2
Bit 1
TE_DA
0
Bit 0
—
SCR1
R/W
RLB_B2 RLB_B1
RESET Default
0
0
0
0
0
0
Bit #
7—5
4
Symbol
Name/Description
—
Reserved. Program to 0.
RLB_D
RLB_B2
RLB_B1
TE_DA
S/T Remote Loopback—D Channel.
0: Normal operation.
1: D-channel data received at the S/T-interface is transmitted back to the TE.
3
2
1
S/T Remote Loopback—B2 Channel.
0: Normal operation.
1: B2-channel data received at the S/T-interface is transmitted back to the TE.
S/T Remote Loopback—B1 Channel.
0: Normal operation.
1: B1-channel data received at the S/T-interface is transmitted back to the TE.
Timer Expired/Deactivate. This signal is used to inform the S-block activation state
machine that an external timer (normally activation timer T1) has expired or that deacti-
vation is requested. It will force deactivation of the S-interface.
0: Normal operation.
1: Force deactivation of S/T-interface.
Reserved. Program to 0.
—
0
Lucent Technologies Inc.
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