RF Gateway Downstream 48-1G Universal Edge QAM Line Card

Cisco · RFGW-DS48-1G

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Refurbished

1-Year Warranty

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The Cisco RF Gateway Downstream 48-1G Universal Edge QAM Line Card is a 12-port, 48-channel universal edge quadrature amplitude modulation (UEQAM) modulator designed for operation in the Cisco RF Gateway 10 platform. This line card is very similar in function to the standalone Cisco RF Gateway 1 Universal Edge QAM product, but the Cisco RF Gateway 10 can accommodate up 10x the density of the Cisco RF Gateway 1.

Specification	Value
Hardware Specifications
Physical	Occupies a single RF slot in the Cisco RF Gateway 10 chassis
RF ports	12 RF ports with up to four contiguous QAM channels per port for a total of 48 QAMs
Dimensions	1.28 x 15.35 x 15 in. (33 x 390 x 381 mm) (H x W x D)
Weight	9.5 lb (4.32 kg)
Power consumption	180W maximum (3.75W per QAM); 165W typical (3.44W per QAM)
Environmental
Operating altitude:	-60 to 3000m
Storage temperature:	-40 to 158°F (-40 to 70°C)
Operating temperature, nominal:	32 to 104°F (0 to 40°C)
Operating relative humidity:	10 to 85%, noncondensing
LEDs	Status, alarm, traffic, Gigabit Ethernet (GE) port link, and activity
Ethernet Uplink Interfaces
Uplinks	2 GE
Uplink optic types	Small Form Factor Pluggable (SFP) GE
Small Form Factor Pluggables Supported
Gigabit Ethernet interfaces	SFP-GE-T SFP-GE-S SFP-GE-L
Video Specifications
Video format	MPEG-2 SPTS and MPTS encapsulated in UDP/IP (RFC-768) Up to seven 188-byte MPEG-2 packets per UDP datagram MPEG-2 and MPEG-4/H.264 content Standard and high definition CBR and VBR
Video processing	PID remapping PCR remapping PSI extraction, generation, and insertion Dejitter (up to 200 ms) MPTS passthrough Stream replication Session statistics
Video redundancy	Redundant source failover Link redundancy
Video monitoring	ASI video monitor port BNC-type connector Monitor any output MPTS
Multicast	IP multicast routing protocols: Protocol Independent Multicast (PIM), including sparse mode and dense mode Source Specific Multicast (SSM) and Any-Source Multicast (ASM) Internet Group Management Protocol (IGMP)
Dejitter buffering	200 ms, configurable
TS bit rate	VBR and CBR
ASI monitor port	BNC type connector
Signaling mode	Table-based or session-based functionality Support for up to 1440 streams
Maximum unique video multicast sessions	2048 load balanced
DOCSIS Specifications
CableLabs specifications supported	Downstream RF Interface (DRFI) CM-SP-DRFI Downstream External PHY Interface (DEPI) DOCSIS Timing Interface (DTI) M-CMTS Operations Support System Interface (OSSI)
RF Specifications
Channel encoding	Randomization, Reed-Solomon, trellis encoding, and interleaving configurable to ITU-T J.83 Annex A, B, or C
QAM constellations	64 and 256 QAM
QAM stacking	Contiguous, quad-stacked QAM channel block
Symbol rate	3.5 Msym per second to 7 Msym per second
Bits per symbol	6 bits per symbol and 8 bits per symbol
Frequency plan	HRC, IRC, and STD
Center frequency range	57 to 999 MHz
Step size	1 kHz
Channel spacing	6 MHz and 8 MHz
MER (unequalized and equalized)	$\ge$35 dB and $\ge$43 dB (at RF)
Output impedance	75 ohms
Return loss	$\ge$14 dB: 45-750 MHz $\ge$13 dB: 750-870 MHz $\ge$12 dB: 870-1000 MHz
Channel power - 1-channel mode (single QAM stacking)	+61 dBmV RMS maximum per QAM channel in 0.2 dB steps
Channel power - 2-channel mode (dual QAM stacking)	+57 dBmV RMS maximum per QAM channel in 0.2 dB steps
Channel power - 4-channel mode (quad QAM stacking)	+53 dBmV RMS maximum per QAM channel in 0.2 dB steps
Power accuracy	$\pm$2 dB
Channel power delta in 4-QAM block	<1 dB
RF channel muting	$\ge$73 dB
Phase noise	1 KHz-10 KHz: 33 dBc double sideband 10 KHz-50 KHz: 51 dBc double sideband 50 KHz-3MHz: 51 dBc double sideband
Out-of-band noise and spurious emissions	-60 dBc or better
Stability	$\pm$3 ppm

RF Gateway Downstream 48-1G Universal Edge QAM Line Card

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