Table 10-21. receive level indication, Ster, Lrsl – Rainbow Electronics DS26519 User Manual
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DS26519 16-Port T1/E1/J1 Transceiver
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Register Name:
LRSL
Register Description:
LIU Receive Signal Level Register
Register Address:
1006h + (20h x (n - 1)) + (2000h x [(n - 1) / 8]): where n = 1 to 16
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
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 10-21. Receive Level Indication
RSL3 RSL2 RSL1 RSL0
RECEIVE LEVEL
DS1/E1 (dB)
0 0 0 0
>
-2.5
0 0 0 1
-2.5
to
-5
0 0 1 0
-5
to
-7.5
0 0 1 1
-7.5
to
-10
0 1 0 0
-10
to
-12.5
0 1 0 1
-12.5
to
-15
0 1 1 0
-15
to
-17.5
0 1 1 1
-17.5
to
-20
1 0 0 0
-20
to
-22.5
1 0 0 1
-22.5
to
25
1 0 1 0
-25
to
-27.5
1 0 1 1
-27.5
to
-30
1 1 0 0
-30
to
-32.5
1 1 0 1
-32.5
to
-35
1 1 1 0
-35
to
-37.5
1 1 1 1
<
-37.5