28953-SWG-001-A Datasheet, PDF (136/183 Pages) M/A-COM Technology Solutions, Inc. – Application and Channel Unit Software

8.0 API Command Set
8.5 Channel Unit API Commands
Table 8-116. BER Parameter
Bit 7
Bit 5–6
Reserved
PRBS mode
(test pattern)
RS8953B
Application and Channel Unit Software Developer’s Guide
Bit 3–4
BER scale
(test interval)
Bit 2
Reserved
Bit 0–1
BER select
BER select:
00 – Normal
10 – Reserved
01 – PCM Framed
11 – PCM Serial
BER scale:
00 – 2³¹ bits
01 – 2²⁸ bits
10 – 2²⁵ bits
11 – 2²¹ bits
PRBS mode:
00 – 2²³
01 – 2²⁰
10 – 2¹⁵
11 – 2⁴
NOTE: Refer to Command Register 3 (CMD_3) and Command Register 6 (CMD_6) in the
[N8953BDSA] for additional information.
References:
1. [N8953BDSA]
2. [G.991.1]
RS8953B/RS8953SPB HDSL Channel Unit Data Sheet, August, 1998.
International Telecommunication Union. High Speed Digital Subscriber
Line (HDSL) Transceivers. October, 1998.
Table 8-117. Opcode: 0x8A (_CU_MEASURE_BER)
Destination
Description
_CU_COMMON
Check Channel Unit BER meter.
Parameter
0x00
Table 8-118. Opcode: 0x89 (_CU_BER_STATUS)
Destination
Description
_CU_COMMON
Check Channel Unit BER meter status.
Parameter
0x00
1. Refer to the Bt8953 data sheet for detailed information on command register 6 BER_SEL
options.
2. These BER meter-related APIs are not supported in Channel Unit 6.0.
8-46
Conexant
100418C