DS21554L+ Maxim Integrated Products, DS21554L+ Datasheet - Page 46
![IC TXRX E1 1-CHIP 5V 100-LQFP](/photos/6/82/68291/406-100-lqfp_sml.jpg)
DS21554L+
Manufacturer Part Number
DS21554L+
Description
IC TXRX E1 1-CHIP 5V 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2154LNA2.pdf
(124 pages)
Specifications of DS21554L+
Function
Single-Chip Transceiver
Interface
E1, HDLC, J1, T1
Number Of Circuits
1
Voltage - Supply
4.75 V ~ 5.25 V
Current - Supply
75mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Includes
Remote and AIS Alarm Detector / Generator
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
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Table 6-1. Alarm Criteria
(Receive Remote Alarm)
(Receive Unframed All
(Receive Signaling All
(Receive Signaling All
(Receive Carrier Loss)
Multiframe Alarm)
(Receive Distant
ALARM
RDMA
Zeros)
RUA1
RSA1
RSA0
Ones)
Ones)
RRA
RCL
over 16 consecutive frames
(one full MF) time slot 16
contains less than three
zeros
over 16 consecutive frames
(one full MF) time slot 16
contains all zeros
bit 6 in time slot 16 of
frame 0 set to one for two
consecutive MF
less than three zeros in two
frames (512–bits)
bit 3 of non-align frame set
to one for three
consecutive occasions
255 (or 2048) consecutive
zeros received
SET CRITERIA
46 of 124
over 16 consecutive frames
(one full MF) time slot 16
contains three or more
zeros
over 16 consecutive frames
(one full MF) time slot 16
contains at least a single
one
bit 6 in time slot 16 of
frame 0 set to zero for two
consecutive MF
more than two zeros in two
frames (512 bits)
bit 3 of non-align frame set
to zero for three
consecutive occasions
in 255-bit times, at least 32
ones are received
CLEAR CRITERIA
G.775 / G.962
ITU SPEC.
1.6.1.2
G.732
G.732
O.162
O.162
O.162
2.1.5
2.1.4
4.2
5.2
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