DS2156L+ Maxim Integrated Products, DS2156L+ Datasheet - Page 68
DS2156L+
Manufacturer Part Number
DS2156L+
Description
IC TXRX T1/E1/J1 1-CHIP 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2156L.pdf
(265 pages)
Specifications of DS2156L+
Function
Single-Chip Transceiver
Interface
E1, J1, T1, TDM, UTOPIA II
Number Of Circuits
1
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
75mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Includes
BERT Generator and Detector, CMI Coder and Decoder, HDLC Controller
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
- Current page: 68 of 265
- Download datasheet (2Mb)
Table 9-B. E1 Alarm Criteria
V52LNK
ALARM
RDMA
RLOS
RUA1
RRA
RCL
An RLOS condition exists on power-up
prior to initial synchronization, when a
resync criteria has been met, or when a
manual resync has been initiated by
E1RCR1.0
255 or 2048 consecutive 0s received as
determined by E1RCR2.0
Bit 3 of nonalign frame set to 1 for three
consecutive occasions
Fewer than three 0s in two frames (512
bits)
Bit 6 of time slot 16 in frame 0 has been set
for two consecutive multiframes
Two out of three Sa7 bits are 0
SET CRITERIA
68 of 265
At least 32 1s in 255-bit times
are received
Bit 3 of nonalign frame set to
0 for three consecutive
occasions
More than two 0s in two
frames (512 bits)
CLEAR CRITERIA
SPECIFICATION
G.775/G.962
1.6.1.2
O.162
O.162
G.965
2.1.4
ITU
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