cx28380 Mindspeed Technologies, cx28380 Datasheet - Page 25

• Manufacturer Part Number: cx28380
• Description: Cn8380 Quad T1/e1 Line Interface
• Manufacturer: Mindspeed Technologies

Figure 2-5.
2.3.2.2
The receiver is capable of recovering signals with cable attenuation in excess of 0 to
–12 dB in E1 and T1 modes. The receiver is configured by setting register bits appropriately in Host Mode or by
setting configuration pins in Hardware Mode. See
Table 2-1.
29380-DSH-001-B
TI/E1=1
SENS=1
ATTN=0
TI/E1=1
SENS=0
ATTN=0
TI/E1=1
SENS=1
ATTN=1
TI/E1=0
SENS=1
ATTN=0
TI/E1=0
SENS=0
ATTN=0
TI/E1=0
SENS=1
ATTN=1
(1)
Settings
8380_009
Raw Mode Receiver Signals
Line Compatible Modes
(RAW Mode)
(RAW Mode)
(RAW Mode)
Equalized
Sensitivity
Received
RPOSO
RNEGO
Internal
Signal
RCKO
T1 Short Haul
T1 ISDN
T1 Monitor
E1 Short Haul
E1 ISDN
E1 Monitor
Preliminary Information / Mindspeed Proprietary and Confidential
Line Mode
Mindspeed Technologies
Data Slicer Level
(50% of Peak)
0 to –9 dB
0 to –18 dB
–17 to –26 dB
0 to –9 dB
0 to –18 dB
–17 to –26 dB
Table 2-1
Sensitivity
for line compatible modes.
®
–9 dB to –17 dB
–18 dB to –35 dB
–29 dB to –37 dB
–9 dB to –17 dB
–18 dB to –35 dB
–29 dB to –37 dB
RALOS
BPV
Circuit Description
100 Zeros
100 Zeros
100 Zeros
32 Zeros
32 Zeros
32 Zeros
RLOS
17