Description
GSDMC is a 1RU Mini CMTS, which is designed in accordance with C-DOCSIS standard for Cable TV system. It is fully compliant with DOCSIS and Euro-DOCSIS standard, and supports DOCSIS/Euro-DOCSIS 3.0/2.0 cable modems.
GSDMC provides 16 downstream channels and 4 upstream channels, and supports 511 cable modems online at same time.
GSDMC can be configured an IP QAM module to support IP QAM function depending on customers requirement.
Features
?Support DOCSIS/Euro-DOCSIS3.0/2.0
?16 downstream channels, 1 RF output port
?4 upstream channels, 1 RF input port
?RF output level 45dBmV
?RF input level -13 ~ 23dBmV
?Support 511 CMs online at same time.
?Support dynamic load balancing
?Support DHCP forwarding
?Support QoS and VLAN
?Support SNMP remote network management
?Support CLI and Telnet local configuration and troubleshooting
?IP QAM optional
?Low noise, low consumption
?Small size, save space
Specifications
Table 1. Downstream Channel Section Specifications
|
Item
|
Unit
|
Value
|
|
RF Forward Pass Band
|
MHz
|
87 - 1000
|
|
Channel Bandwidth
|
MHz
|
8 or 6
|
|
QAM Modulation Standard
|
-
|
Annex A，B，C
|
|
QAM Constellations
|
QAM
|
64，256
|
|
Channel Speed
|
Mbps
|
36 @ 64 QAM
51 @ 256 QAM
|
|
Channel Number
|
-
|
16
|
|
Max. Speed
|
Mbps
|
800
|
|
Channel Output Level
|
dBmV
|
50 @ 8 channels
45 @ 16 channels
|
|
Output Level Adjustable Range
|
dB
|
-20 (0.1dB step)
|
|
MER (after equalizer)
|
dB
|
42
|
|
CNR
|
dB
|
45
|
|
RF Output Port Number
|
-
|
1
|
|
RF Connector
|
-
|
F-female, 75 ?
|
Table 2. Upstream Channel Section Specifications
|
Item
|
Unit
|
Value
|
|
RF Reverse Pass Band
|
MHz
|
5 - 65
|
|
Channel Number
|
-
|
4
|
|
Channel Bandwidth
|
MHz
|
1.6，3.2，6.4
|
|
QAM Constellations
|
-
|
QFSK，16 QAM，64 QAM
|
|
Channel Speed
|
Mbps
|
0.32 - 40
|
|
Max. Speed
|
Mbps
|
160
|
|
Input Level Range
|
dBmV
|
-13 - 23
|
|
RF Input Port Number
|
-
|
1
|
|
RF Connector
|
-
|
F-female, 75 ?
|
Table 3. General Specifications
|
Item
|
Unit
|
Value
|
|
Uplink IP Interface
|
-
|
One RJ-45 port
One SFP slot
|
|
Network Management Interface
|
-
|
One RJ-45 port
|
|
Power Supply Voltage
|
VAC
|
90 - 264
|
|
Power Consumption
|
W
|
35
|
|
Dimensions (W x H x D)
|
mm
|
483 x 43 x 410
|
|
Weight
|
kg
|
4
|
|
Operating Temperature
|
°C
|
0 - 55
|
|
Storage Temperature
|
°C
|
- 20 - 70
|
|
Relative Humidity
|
%
|
5 – 90 (non-condensing)
|
Ordering information
|
Product Description
|
Part Number
|
|
GSDMC 1RU Mini CMTS, with IP QAM module, Chinese power cord
|
GSDMC-QAM-CH
|
|
GSDMC 1RU Mini CMTS, without IP QAM module, European power cord
|
GSDMC-000-EU
|
|
GSDMC 1RU Mini CMTS, other optional
|
GSDMC-aaa-bb
aaa ─ IP QAM module
000 – without IP QAM module
QAM – with IP QAM module
bb ─ Power cord
US – American cord
CH – Chinese cord
EU – European cord
|
