Datasheet

DS26518 8-Port T1/E1/J1 Transceiver
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Register Name:
T1RBOC (T1 Mode)
Register Description:
Receive BOC Register
Register Address:
63h + (200h x (n - 1)) : where n = 1 to 8
Bit # 7 6 5 4 3 2 1 0
Name — — RBOC5 RBOC4 RBOC3 RBOC2 RBOC1 RBOC0
Default 0 0 0 0 0 0 0 0
Bit 5: BOC Bit 5 (RBOC5)
Bit 4: BOC Bit 4 (RBOC4)
Bit 3: BOC Bit 3 (RBOC3)
Bit 2: BOC Bit 2 (RBOC2)
Bit 1: BOC Bit 1 (RBOC1)
Bit 0: BOC Bit 0 (RBOC0)
The T1RBOC register always contains the last valid BOC received. The Receive FDL Register (
T1RFDL) reports
the incoming Facility Data Link (FDL) or the incoming Fs bits. The LSB is received first. In D4 framing mode, RFDL
updates on multiframe boundaries and reports the six Fs bits in RFDL[5:0].