Installation guide

36 M-eMTA Installation Guide
Downstream
Modulation 64 or 256 QAM
Max. Data Rate
*
*. When comparing download speeds with a traditional 28.8k analog modem. Actual speeds will vary, and are often
less than the maximum possible. Upload and download speeds are affected by several factors including, but not lim-
ited to, network traffic and services offered by your cable operator or broadband service provider, computer equip-
ment, type of service, number of connections to server, and availability of Internet router(s).
38 Mbps
(256 QAM at 5.361 Msym/s)
Bandwidth 6 MHz
Symbol Rates 64 QAM 5.069 Msym/s
256 QAM 5.361 Msym/s
Operating Level Range -15 to +15 dBmV
Frequency Range 88 to 860 MHz (edge to edge)
Input Impedance 75  (nominal)
Upstream
Modulation
8
*
, 16, 32
*
, 128
*
QAM or QPSK
*. With A-TDMA- or S-CDMA-enabled Cable Modem Termination System (CMTS). Certain features may not be acti-
vated by your service provider, and/or their network settings may limit the feature’s functionality. Additionally, certain
features may require a subscription. Contact your service provider for details. All features, functionality, and other
product specifications are subject to change without notice or obligation. Your service provider, not Motorola, is
responsible for the provision of Voice-over-IP (VoIP) telephony services through this equipment. Motorola shall not
be liable for, and expressly disclaims any direct or indirect liabilities, damages, losses, claims, demands, actions,
causes of action, risks, or harms arising from or related to the services provided through this equipment.
Important: Be aware that you will not be able to make any calls using this VoIP device if your broadband connection
is not functioning properly.
Maximum Channel Rate
†
†. Actual data throughput will be less due to physical layer overhead (error correction coding, burst preamble, and
guard interval).
30 Mbps
Bandwidth
200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, 6.4
*
MHz
Symbol Rates
160, 320, 640, 1280, 2560, and 5120
*
ksym/s
Operating Level Range
A-TDMA 8 to 54 dBmV (32 QAM, 64 QAM), 8 to 55 dBmV (8 QAM, 16 QAM)
8 to 58 dBmV (QPSK)
S-CDMA 8 to 53 dBmV (all modulations)
Output Impedance 75 Ω (nominal)
Frequency Range 5 to 42 MHz (edge to edge)