Datasheet

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DSL Specifications
Tables 13 through 21 list the DSL features specifications and DSL access multiplexer (DSLAM) interoperability
support for the Cisco 880 Series Routers. For more information and details about DSLAM and line-card
interoperability, please refer to the following document: What Is Cisco ISR and ISR G2 xDSL Interoperability?
Table 13. DSL Features Specifications
DSL Specifications
Multimode DSL (VDSL2 and
ADSL2/2+)
(886VA and 887VA models)
●
Broadcom Chipset
●
Dying gasp
●
IEEE 802.1q VLAN tagging
●
Independent DSL firmware loading
VDSL2
●
ITU G.993.2 (VDSL2)
●
997 and 998 band plans
●
VDSL2 profiles: 8a, 8b, 8c, 8d, 12a, 12b, and 17a
●
U0 band support (25-276 kHz)
●
Ethernet PTM mode only based on IEEE 802.3ah 64/65 octet encapsulation
●
DELT Diagnostics Mode
ADSL2/2+
●
ADSL over basic telephone service with Annex A and Annex B ITU G. 992.1 (ADSL), G.992.3 (ADSL2), and
G.992.5 (ADSL2+)
●
ADSL over basic telephone service with Annex M (extended upstream bandwidth) G.992.3 (ADSL2) and
G.992.5 (ADSL2+)
◦ Cisco 887VA-M is optimized for PSD Mask EU-64 M9.
◦ Cisco 887VA-M supports UK Annex M.
●
G.994.1 ITU Ghs
●
Reach-extended ADSL2 (G.922.3) Annex L for increased performance on loop lengths greater than 16,000
feet from central office
●
T1.413 ANSI ADSL DMT issue 2 compliance
●
DSL Forum TR-067 conformity
●
Inpulse Noise Protection (INP) and extended INP
●
Downstream Power Back-Off (DPBO)
●
ATM mode only
ADSL specifications
(886 and 887 models)
●
ST-Microelectronics 20190 Chipset
●
ADSL over basic telephone service with Annex A and Annex B ITU G. 992.1 (ADSL), G.992.3 (ADSL2), and
G.992.5 (ADSL2+)
●
ADSL over basic telephone service with Annex M (extended upstream bandwidth) G.992.3 (ADSL2) and
G.992.5 (ADSL2+)
◦ Cisco 887-M is optimized for PSD Mask EU-64 M9.
◦ Cisco 887M supports UK Annex M only with Huawei 5300 DSLAM and its EADB line card with customer-
premises-equipment (CPE) firmware Version 4.0.17.
●
G.994.1 ITU G.hs
●
Reach-extended ADSL2 (G.922.3) Annex L for increased performance on loop lengths greater than 16,000
feet from central office
●
T1.413 ANSI ADSL DMT issue 2 compliance
●
DSL Forum TR-067 conformity
●
Does not provide interoperability with carrierless amplitude modulation/phase modulation (CAP)-based ADSL
lines
●
Dying gasp
●
IEEE 802.1q VLAN tagging with Cisco IOS Software Release 15.1(1)T or later