How to change upstream power level?

There are different ranges of ONT's optical power i.e
For the ONTs using GPON upstream transmission: -27 dBm to -8 dBm (Class B+); -30 dBm to -8dBm (Class C+).For the ONTs using XG-PON upstream transmission: -28dBm to -8dBm(Class N1a); -28dBm to -8dBm(Class N2a).
CISI exam help

Have a look at the link below for basic troubleshooting techniques for RCA modem

Troubleshooting DCM 315

Hello Steve,

Follow the link for accessing diagnostics on your modem.
How to Read Your Cable Modems Diagnostic Page When Something Goes Wrong

use VLC palyer and can be free download from download.com

11 Timing belt skipped 1 tooth or more from initial learned value, Intermittent loss of either camshaft or crankshaft position sensor, No crank reference signal detected during engine cranking
12 Direct battery input to PCM/ECM was disconnected within the last 50 key-on cycles (normal)
13 No change in MAP from start to run
14 MAP sensor voltage too low
15 No vehicle speed sensor signal
17 Closed loop temp not reached or engine cold too long
21 02s sensor problem (oxygen sensor), upstream or down stream
22 Engine coolant temp sensor out of range
23 Intake air temp sensor out of range
24 Throttle Position sensor out of range
25 Idle air control motor circuits, target idle not reached (+/- 200),vacuum leak found
27 Injector control circuit
31 Evap purge flow monitor failure or evap solenoid circuit
32 EGR system failure
33 A/C clutch relay circuit
34 Speed control Solenoid circuits
35 Rad Fan control relay circuit
37 Torque converter clutch solenoid CKT or park/neutral switch failure
41 Generator field not switching properly
42 Fuel pump relay control ckt, Auto shutdown relay control ckt, No ASD relay output voltage at PCM, Fuel level sending unit volts out of range, Fuel level unit No change over miles
43 Multiple/ single cylinder misfire
44 Battery temp sensor volts out of range
46 Charging system voltage too low
51 Fuel system lean
52 Fuel system rich
53 Internal control failure
54 No Cam signal at PCM
55 End of error messages (If you get this only, no errors were found)
62 PCM failure SRI mile not stored
63 PCM Failure EEPROM write denied
64 Catalytic Converter Efficiency Failure
65 Power steering switch failur

the light has nothing to do with oil or coolant levels. it comes on for one of the following reasons. You will need to have the system computer memory tested to see which fault the system has.
CODE Description of Trouble Code
11 Timing belt skipped 1 tooth or more from initial learned value, Intermittent loss of either camshaft or crankshaft position sensor, No crank reference signal detected during engine cranking
12 Direct battery input to PCM was disconnected within the last 50 key-on cycles (normal)
13 No change in MAP from start to run
14 MAP sensor voltage too low
15 No vehicle speed sensor signal
17 Closed loop temp not reached or engine cold too long
21 02s sensor problem (oxygen sensor), upstream or down stream
22 Engine coolant temp sensor out of range
23 Intake air temp sensor out of range
24 Throttle Position sensor out of range
25 Idle air control motor circuits, target idle not reached (+/- 200),vacuum leak found
27 Injector control circuit
31 Evap purge flow monitor failure or evap solenoid circuit
32 EGR system failure
33 A/C clutch relay circuit
34 Speed control Solenoid circuits
35 Rad Fan control relay circuit
37 Torque converter clutch solenoid CKT or park/neutral switch failure
41 Generator field not switching properly
42 Fuel pump relay control ckt, Auto shutdown relay control ckt, No ASD relay output voltage at PCM, Fuel level sending unit volts out of range, Fuel level unit No change over miles
43 Multiple/ single cylinder misfire
44 Battery temp sensor volts out of range
46 Charging system voltage too low
51 Fuel system lean
52 Fuel system rich
53 Internal control failure
54 No Cam signal at PCM
55 End of error messages (If you get this only, no errors were found)
62 PCM failure SRI mile not stored
63 PCM Failure EEPROM write denied
64 Catalytic Converter Efficiency Failure
65 Power steering switch failure

try these
E7 D3 69 2E 6F 38 EA 78
E8 C9 E5 6E BO 49 53 E5
hope these work darl do you no codes for 5401 area from 27/12/08 need me TV back...

Yes you can convert to LP gas. go to this web site to get the parts.
http://www.vulcanhart.com/manuals/F-30536.pdf
Go to page 9 and look at parts # 57 - 60 that is the part you need to change. You need to know the sea level that you are at though so you get the right part.
Now if you go to page 8 you will find where it goes part # 53 thru 61
To order the parts go to this web site
http://www.vulcanhart.com/parts.cfm
If any ? please fill free to ask.

Replace your modem. I had the same issue. Replacing the modem solved everything.

Technical Details

• Model: SB5100
• Type: External, platform-independent modem with HTML-based user interface for status troubleshooting
• Standards: Integrated DOCSIS 2.0 A-TDMA and S-CDMA technology
• PC interface: USB for Windows 98/2000/XP
• Cable interface: F-Connector, female, 75 ohms
• CPE network interface: USB, Ethernet 10/100BaseT (auto sensing)
• LED indicators: Yes (front panel)
• Users: Supports up to 32 users (1 via USB and up to 31 via Ethernet or 32 users on Ethernet)
• Power: Internal power supply: 9 Watts (nominal)
• Input power: 100-240 VAC, 50-60 Hz
• Excite@Home Level 2 Approved: Yes
• Bridging: Ethernet and USB connections are bridged allowing LAN traffic between USB device and Ethernet LAN
• Networking: 10/100BaseT Ethernet (auto sensing)
• Remote management: Yes (via SNMP)
• Software upgradeable: Yes (over the network)
• Top-mounted stand-by button: Yes (enhances network security to end-user)
• Troubleshooting: HTML-based diagnostic user interface
• Global safety approval and certificates: CB scheme (EN60950/IEC950), CE-Evaluation test report (EN55022/EN55024), FCC Part 15, UL 1950
• Downstream demodulation: 64 or 256 QAM
• Downstream maximum data rate: 38 Mbps
• Downstream bandwidth: 6 MHz
• Downstream symbol rate: 64 QAM 5.069 Msym/s
• Downstream symbol rate: 256 QAM 5.361 Msym/s
• Downstream operating level range: -15 to +15 dBmV
• Downstream input impedance: 75 ohms (nominal)
• Downstream frequency range: 88 to 860 MHz
• Upstream modulation: 8, 16, 32, 64, 128 QAM or QPSK (with A-TDMA or S-CDMA enabled CMTS)
• Upstream maximum data rate: Up to 30 Mbps
• Upstream bandwidth: 200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, 6.4 MHz (with A-TDMA or S-CDMA enabled CMTS)
• Upstream symbol rates: 160, 320, 640, 1280, 2560 and 5120 ksym/s (with A-TDMA or S-CDMA enabled CMTS)
• Upstream operating level range: A-TDMA: +8 to+54 dBmV (32QAM, 64QAM), +8 to+55 dBmV (8QAM, 16QAM), +8 to+58 dBmV (QPSK), S-CDMA: +8 to+53 dBmV (all modulations)
• Upstream output impedance: 75 ohms (nominal)
• Upstream frequency range: 5 to 42 MHz (edge to edge)
• Data protocol: TCP/IP
• Operating temperature: 0 degrees to 40 degrees C
• Storage temperature: -30 degrees to 80 degrees C
• Operating humidity: 0 to 95 percent R.H. non-condensing
• System requirements: Windows 95/98/2000/NT/Millennium, Macintosh, UNIX
• Width: 2.3 inches
• Height: 6.2 inches
• Depth: 6 inches
• Warranty, parts: 1 year
• Warranty, labor: 1 1year