DS2155LNB+ Maxim Integrated Products, DS2155LNB+ Datasheet - Page 90
DS2155LNB+
Manufacturer Part Number
DS2155LNB+
Description
IC TXRX T1/E1/J1 SGL 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2155L.pdf
(238 pages)
Specifications of DS2155LNB+
Function
Single-Chip Transceiver
Interface
E1, HDLC, J1, T1
Number Of Circuits
1
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
75mA
Operating Temperature
-40°C ~ 85°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)
-
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DS2155
16.2.1.2 E1 Mode
In E1 mode, TS16 carries the signaling information. This information can be in either CCS (common
channel signaling) or CAS (channel associated signaling) format. The 32 time slots are referenced by two
different channel number schemes in E1. In “Channel” numbering, TS0–TS31 are labeled channels 1
through 32. In “Phone Channel” numbering, TS1–TS15 are labeled channel 1 through channel 15 and
TS17–TS31 are labeled channel 15 through channel 30.
Table 16-A. Time Slot Numbering Schemes
TS
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Channel 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Phone
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Channel
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