XRT83L38 Datasheet, PDF (35/91 Pages) Exar Corporation – OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR

XRT83L38
OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
REV. 1.0.0
TABLE 5: RECEIVE EQUALIZER CONTROL AND TRANSMIT LINE BUILD-OUT SETTINGS
EQC4
0
EQC3
1
EQC2
1
EQC1
0
EQC0
E1/T1 MODE & RECEIVE
SENSITIVITY
1
T1 Short Haul/15dB
TRANSMIT LBO
Arbitrary Pulse
CABLE
CODING
100Ω/ TP B8ZS
0
1
1
1
0
T1 Gain Mode/29dB
0-133 ft./ 0.6dB 100Ω/ TP B8ZS
0
1
1
1
1
T1 Gain Mode/29dB 133-266 ft./ 1.2dB 100Ω/ TP B8ZS
1
0
0
0
0
T1 Gain Mode/29dB 266-399 ft./ 1.8dB 100Ω/ TP B8ZS
1
0
0
0
1
T1 Gain Mode/29dB 399-533 ft./ 2.4dB 100Ω/ TP B8ZS
1
0
0
1
0
T1 Gain Mode/29dB 533-655 ft./ 3.0dB 100Ω/ TP B8ZS
1
0
0
1
1
T1 Gain Mode/29dB Arbitrary Pulse 100Ω/ TP B8ZS
1
0
1
0
0
T1 Gain Mode/29dB
0dB
100Ω/ TP B8ZS
1
0
1
0
1
T1 Gain Mode/29dB
-7.5dB
100Ω/ TP B8ZS
1
0
1
1
0
T1 Gain Mode/29dB
-15dB
100Ω/ TP B8ZS
1
0
1
1
1
T1 Gain Mode/29dB
-22.5dB
100Ω/ TP B8ZS
1
1
0
0
0
E1 Long Haul/36dB ITU G.703/Arbitrary 75Ω Coax HDB3
1
1
0
0
1
E1 Long Haul/36dB ITU G.703/Arbitrary 120Ω TP HDB3
1
1
0
1
0
E1 Long Haul/43dB ITU G.703/Arbitrary 75Ω Coax HDB3
1
1
0
1
1
E1 Long Haul/43dB ITU G.703/Arbitrary 120Ω TP HDB3
1
1
1
0
0
E1 Short Haul
ITU G.703/Arbitrary 75Ω Coax HDB3
1
1
1
0
1
E1 Short Haul
ITU G.703/Arbitrary 120Ω TP HDB3
1
1
1
1
0
E1 Gain Mode
ITU G.703/Arbitrary 75Ω Coax HDB3
1
1
1
1
1
E1 Gain Mode
ITU G.703/Arbitrary 120Ω TP HDB3
TRANSMIT AND RECEIVE TERMINATIONS
The XRT83L38 is a versatile LIU that can be programmed to use one Bill of Materials (BOM) for worldwide
applications for T1, J1 and E1. For specific applications the internal terminations can be disabled to allow the
use of existing components and/or designs.
RECEIVER (CHANNELS 0 - 7)
INTERNAL RECEIVE TERMINATION MODE
31