Datasheet

DS26514 4-Port T1/E1/J1 Transceiver
19-5856; Rev 4; 5/11 164 of 305
Register Name:
T1RIBCC (T1 Mode)
Register Description:
Receive In-Band Code Control Register
Register Address:
082h + (200h x (n - 1)) : where n = 1 to 4
Bit #
7
6
5
4
3
2
1
0
Name
—
—
RUP2
RUP1
RUP0
RDN2
RDN1
RDN0
Default
0
0
0
0
0
0
0
0
Note: This register has an alternate definition for E1 mode. See E1RCR2.
Bits 5 to 3: Receive Up Code Length Definition Bits (RUP[2:0])
RUP2
RUP1
RUP0
LENGTH SELECTED
0
0
0
1 bits
0
0
1
2 bits
0
1
0
3 bits
0
1
1
4 bits
1
0
0
5 bits
1
0
1
6 bits
1
1
0
7 bits
1
1
1
8 : 16 bits
Bits 2 to 0: Receive Down Code Length Definition Bits (RDN[2:0])
RDN2
RDN1
RDN0
LENGTH SELECTED
0
0
0
1 bits
0
0
1
2 bits
0
1
0
3 bits
0
1
1
4 bits
1
0
0
5 bits
1
0
1
6 bits
1
1
0
7 bits
1
1
1
8 : 16 bits
Register Name:
E1RCR2 (E1 Mode)
Register Description:
Receive Control Register 2
Register Address:
082h + (200h x (n - 1)) : where n = 1 to 4
Bit #
7
6
5
4
3
2
1
0
Name
—
—
—
—
—
—
—
RLOSA
Default
0
0
0
0
0
0
0
0
Note: This register has an alternate definition for T1 mode. See T1RIBCC.
Bit 0: Receive Loss of Signal Alternate Criteria (RLOSA). Defines the criteria for a loss of signal condition.
0 = LOS declared upon 255 consecutive zeros (125µs).
1 = LOS declared upon 2048 consecutive zeros (1ms).