Cisco Prisma II SuperQAM 1.2 Transmitters Data Sheet
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Cisco® Prisma® II optical networks allow for best in class architectures with increased reliability, scalability, and cost-effectiveness. The Cisco Prisma II SuperQAM 1.2 transmitter offers increased bandwidth and uses existing directly-modulated QAM transmitter designs to support DOCSIS® 3.1 networks. This transmitter combines the enhanced channel carrying capacity of the Prisma II 1-GHz SuperQAM Full Spectrum transmitter with the narrowcast support in multi-wavelength systems inherent in the original Prisma II 1-GHz SuperQAM transmitter to provide unprecedented performance in a directly modulated transmitter (Figure 1).
Features
● RF channels up to 1.218 GHz
● Designed to operate in the Prisma II and Prisma XD platforms
● Superior fiber dispersion compensation
● Excellent modulation-error-rate (MER) and bit-error-rate (BER) performance supports high-symbol-rate QAM
● ITU compatible with 100 GHz channel spacing for dense wavelength division multiplexing (DWDM) systems
● Small CO2 footprint with the lowest power consumption transmitter in the industry
● Status LEDs indicate module condition and simplify troubleshooting
● Blind-mate (push-on) RF and DC connectors
● RF input test points
● Nonvolatile storage of pre-set operating parameters simplifies installation procedures
● User selectable Automatic Gain Control (AGC)
● Local control via Local Craft Interface (LCI)
● Local control via Intelligent Communications Interface Module (ICIM)
● SNMP remote monitoring
Product Specifications
Unless otherwise noted, specifications are based on measurements made in accordance with NCTA Practices for Measurements made on Cable Television Systems using standard frequency assignments, and are referenced to the ambient air temperature at the inlet to the Prisma II or Prisma XD chassis.
Table 1. Cisco Prisma II SuperQAM 1.2 Specifications
| Optical |
|
| Wavelength |
DWDM ITU compatible between ITU 20 and 62 |
| Output power |
10 dBm |
| Modulation type |
Directly modulated laser |
| RF |
|
| Operating bandwidth |
54 to 1218 MHz |
| Nominal channel loading (note 1) |
30 channels, NTSC CW analog [54-258 MHz] 96 channels, J.83 ITU Annex B, 256 QAM (6 MHz) [258-834 MHz] 2 channels, 192-MHz OFDM (834-1218 MHz) |
| RF input levels for nominal channel loading:
● Broadcast port, analog channels
● Broadcast port, QAM channels
● Broadcast port, OFDM signal
● Narrowcast port, QAM channels
● Narrowcast port OFDM signal
|
18 dBmV/ch 12 dBmV/ch 27 dBmV total power (matches QAM level - note 2) 12 dBmV/ch (note 3) 27 dBmV total power (matches QAM level - note 2) |
| Total composite RF input |
36.5 dBmV (nominal channel loading) |
| RF input return loss |
16 dB |
| Digital link performance @ 60-km fiber (one of the following):
● 50 QAM channels
● 50 QAM channels plus 384-MHz OFDM
● 130 QAM channels plus 384-MHz OFDM
|
MER: ≥38 dB BER: < 1.0 x 10-9 Pre-FEC < 1.0 x 10-12 Post-FEC |
| Mixed link performance @ 40-km fiber (all of the following):
● 30 analog channels
● 96 QAM channels
● 2 OFDM channels (384 MHz)
|
CNR: 50 dB CSO, CTB: -62 dBc MER: ≥38 dB BER: <1.0 x 10-8 Pre-FEC <1.0 x 10-12 Post-FEC |
| Electrical, Mechanical, and Environmental |
|
| Power consumption |
7.5W |
| Connector type |
SC/APC |
| Management and control |
Web interface |
| Dimensions (H x W x D) |
3.48 in x 1.03 x 8.80 in. (8.84 x 2.62 x 22.35 mm) |
| Weight |
<0.90 lb (<0.41 kg) |
| Operating temperature |
32 to 122°F (0 to 50°C) |
| Humidity |
5 to 95% noncondensing |
Notes:
1. Input level to read 0 dB in the GUI or CLI parameter table.
2. Level shown represents the total power of a 192 MHz OFDM signal. It is equivalent to the power per 6 MHz Consumer Electronics Association (CEA) channel + 10*log10 (number of occupied CEA channels);
that is: [12 dBmV + 10*log10(32)] = 27 dBmV.
3. QAM channel level in the narrowcast port must be 6 dB below those of the analog channels in the combined channel load.
Ordering Information
Part numbers for the Cisco Prisma II SuperQAM 1.2 transmitters are shown in Table 2. Please consult with your Cisco account representative, customer service representative, or system engineer to determine the best configuration for your application.
Table 2. Cisco Prisma II SuperQAM 1.2 Transmitter Part Numbers
| Description |
Cisco Part Number |
| 1.2 GHz SUPERQAM, ITU20 |
P2HD1.2G15TXQ20= |
| 1.2 GHZ SUPERQAM, ITU21 iWDM |
P2HD1.2G15TXQ21i= |
| 1.2 GHZ SUPERQAM, ITU22 iWDM |
P2HD1.2G15TXQ22i= |
| 1.2 GHZ SUPERQAM, ITU23 |
P2HD1.2G15TXQ23= |
| 1.2 GHZ SUPERQAM, ITU24 iWDM |
P2HD1.2G15TXQ24i= |
| 1.2 GHZ SUPERQAM, ITU25 |
P2HD1.2G15TXQ25= |
| 1.2 GHZ SUPERQAM, ITU26 iWDM |
P2HD1.2G15TXQ26i= |
| 1.2 GHZ SUPERQAM, ITU27 |
P2HD1.2G15TXQ27= |
| 1.2 GHZ SUPERQAM, ITU28 iWDM |
P2HD1.2G15TXQ28i= |
| 1.2 GHZ SUPERQAM, ITU29 |
P2HD1.2G15TXQ29= |
| 1.2 GHZ SUPERQAM, ITU30 |
P2HD1.2G15TXQ30= |
| 1.2 GHZ SUPERQAM, ITU31 |
P2HD1.2G15TXQ31= |
| 1.2 GHZ SUPERQAM, ITU32 |
P2HD1.2G15TXQ32= |
| 1.2 GHZ SUPERQAM, ITU33 iWDM |
P2HD1.2G15TXQ33i= |
| 1.2 GHZ SUPERQAM, ITU34 |
P2HD1.2G15TXQ34= |
| 1.2 GHZ SUPERQAM, ITU35 |
P2HD1.2G15TXQ35= |
| 1.2 GHZ SUPERQAM, ITU36 iWDM |
P2HD1.2G15TXQ36i= |
| 1.2 GHZ SUPERQAM, ITU37 |
P2HD1.2G15TXQ37= |
| 1.2 GHZ SUPERQAM, ITU38 |
P2HD1.2G15TXQ38= |
| 1.2 GHZ SUPERQAM, ITU39 iWDM |
P2HD1.2G15TXQ39i= |
| 1.2 GHZ SUPERQAM, ITU40 |
P2HD1.2G15TXQ40= |
| 1.2 GHZ SUPERQAM, ITU41 |
P2HD1.2G15TXQ42= |
| 1.2 GHZ SUPERQAM, ITU42 |
P2HD1.2G15TXQ41= |
| 1.2 GHZ SUPERQAM, ITU43 |
P2HD1.2G15TXQ43= |
| 1.2 GHZ SUPERQAM, ITU44 iWDM |
P2HD1.2G15TXQ44i= |
| 1.2 GHZ SUPERQAM, ITU45 |
P2HD1.2G15TXQ45= |
| 1.2 GHZ SUPERQAM, ITU46 |
P2HD1.2G15TXQ46= |
| 1.2 GHZ SUPERQAM, ITU47 |
P2HD1.2G15TXQ47= |
| 1.2 GHZ SUPERQAM, ITU48 iWDM |
P2HD1.2G15TXQ48i= |
| 1.2 GHZ SUPERQAM, ITU49 |
P2HD1.2G15TXQ49= |
| 1.2 GHZ SUPERQAM, ITU50 |
P2HD1.2G15TXQ50= |
| 1.2 GHZ SUPERQAM, ITU51 |
P2HD1.2G15TXQ51= |
| 1.2 GHZ SUPERQAM, ITU52 iWDM |
P2HD1.2G15TXQ52i= |
| 1.2 GHZ SUPERQAM, ITU53 |
P2HD1.2G15TXQ53= |
| 1.2 GHZ SUPERQAM, ITU54 iWDM |
P2HD1.2G15TXQ54i= |
| 1.2 GHZ SUPERQAM, ITU55 |
P2HD1.2G15TXQ55= |
| 1.2 GHZ SUPERQAM, ITU56 |
P2HD1.2G15TXQ56= |
| 1.2 GHZ SUPERQAM, ITU57 iWDM |
P2HD1.2G15TXQ57i= |
| 1.2 GHZ SUPERQAM, ITU58 |
P2HD1.2G15TXQ58= |
| 1.2 GHZ SUPERQAM, ITU59 |
P2HD1.2G15TXQ59= |
| 1.2 GHZ SUPERQAM, ITU60 iWDM |
P2HD1.2G15TXQ60i= |
| 1.2 GHZ SUPERQAM, ITU61 iWDM |
P2HD1.2G15TXQ61i= |
| 1.2 GHZ SUPERQAM, ITU62 iWDM |
P2HD1.2G15TXQ62i= |
Note: For 40 contiguous ITU channel deployments, non-iWDM and iWDM transmitters are interspersed.
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