DS26521LN+ Maxim Integrated Products, DS26521LN+ Datasheet - Page 41

• Manufacturer Part Number: DS26521LN+
• Description: IC TXRX T1/E1/J1 64-LQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS26521LN+

• Number Of Drivers/receivers: 1/1
• Protocol: T1/E1/J1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8.9.2
The E1 framing consists of FAS, NFAS detection as shown in
Table 8-8. E1 FAS/NFAS Framing
C = C bits are the CRC-4 remainder, A = alarm bits, Sa = bits for data link.
FRAME
CRC-4
10
11
12
13
14
15
#
0
1
2
3
4
5
6
7
8
9
E1 Framing
NFAS
NFAS
NFAS
NFAS
NFAS
NFAS
NFAS
NFAS
TYPE
FAS
FAS
FAS
FAS
FAS
FAS
FAS
FAS
C1
C2
C3
C4
C1
C2
C3
C4
E1
E2
0
0
1
0
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2
A
A
A
A
A
A
A
A
3
0
0
0
0
0
0
0
0
41 of 258
Sa4
Sa4
Sa4
Sa4
Sa4
Sa4
Sa4
Sa4
Table
4
1
1
1
1
1
1
1
1
8-8.
Sa5
Sa5
Sa5
Sa5
Sa5
Sa5
Sa5
Sa5
5
1
1
1
1
1
1
1
1
DS26521 Single T1/E1/J1 Transceiver
Sa6
Sa6
Sa6
Sa6
Sa6
Sa6
Sa6
Sa6
6
0
0
0
0
0
0
0
0
Sa7
Sa7
Sa7
Sa7
Sa7
Sa7
Sa7
Sa7
7
1
1
1
1
1
1
1
1
Sa8
Sa8
Sa8
Sa8
Sa8
Sa8
Sa8
Sa8
8
1
1
1
1
1
1
1
1