Datasheet

DS26521 Single T1/E1/J1 Transceiver
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Register Name:
LRSL
Register Description:
LIU Receive Signal Level Register
Register Address:
1006h
Bit # 7 6 5 4 3 2 1 0
Name RSL3 RSL2 RLS1 RLS0 — — — —
Default 0 0 0 0 0 0 0 0
Bits 7 to 4: Receiver Signal Level 3 to 0 (RSL[3:0]). Real-time receive signal level as shown in
Table 9-17. Note
that the range of signal levels reported the RSL[3:0] is limited by the Equalizer Gain Limit (EGL) in short-haul
applications.
Table 9-17. Receive Level Indication
RECEIVE LEVEL (dB)
RSL3 RSL2 RSL1 RSL0
T1 E1
0 0 0 0 > -2.5 > -2.5
0 0 0 1 -2.5 to -5 -2.5 to -5
0 0 1 0 -5 to -7.5 -5 to -7.5
0 0 1 1 -7.5 to -10 -7.5 to -10
0 1 0 0 -10 to -12.5 -10 to -12.5
0 1 0 1 -12.5 to -15 -12.5 to -15
0 1 1 0 -15 to -17.5 -15 to -17.5
0 1 1 1 -17.5 to -20 -17.5 to -20
1 0 0 0 -20 to -23 -20 to -23
1 0 0 1 -23 to -26 -23 to -26
1 0 1 0 -26 to -29 -26 to -29
1 0 1 1 -29 to -32 -29 to -32
1 1 0 0 -32 to -36 -32 to -36
1 1 0 1 < -36 -36 to -40
1 1 1 0 — -40 to -44
1 1 1 1 — < -44