DS2154LN+ Maxim Integrated Products, DS2154LN+ Datasheet - Page 35

• Manufacturer Part Number: DS2154LN+
• Description: IC TXRX E1 1CHIP 5V ENH 100-LQFP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of DS2154LN+

• Number Of Drivers/receivers: 1/1
• Protocol: E1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 5-1. Alarm Criteria
RSA1
(receive signaling all 1s)
RSA0
(receive signaling all 0s)
RDMA
(receive distant multiframe
alarm)
RUA1
(receive unframed all 1s)
RRA
(receive remote alarm)
RCL
(receive carrier loss)
ALARM
Over 16 consecutive frames
(one full MF) time slot 16
contains less than three 0s
Over 16 consecutive frames
(one full MF) timeslot 16
contains all 0s
Bit 6 in time slot 16 of frame
0 set to 1 for two consecutive
MF
Less than three 0s in two
frames (512 bits)
Bit 3 of non-align frame set to
1 for three consecutive
occasions
255 (or 2048) consecutive 0s
received
SET CRITERIA
35 of 87
Over 16 consecutive frames
(one full MF) time slot 16
contains three or more 0s
Over 16 consecutive frames
(one full MF) time slot 16
contains at least a single 1
Bit 6 in time slot 16 of frame 0
set to 0 for a two consecutive
MF
More than two 0s in two
frames (512 bits)
Bit 3 of non-align frame set to
0 for three consecutive
occasions
In 255-bit times, at least 32 1s
are received
CLEAR CRITERIA
ITU SPEC.
G.775 /
1.6.1.2
G.732
G.732
O.162
O.162
O.162
G.962
2.1.5
2.1.4
4.2
5.2