Based on ITU Recommendation G.991.2
Offers symmetrical WAN speeds up to 2.304 Mbps over a single copper pair and up to 4.608 Mbps over two copper pairs using ITU-T G.991.2 Annex A and Annex B
Offers symmetrical WAN speeds from 768 kbps to 5.696 Mbps over a single copper pair and from 1.536 to 11.392 Mbps over two copper pairs using ITU-T G.991.2 Annex F and Annex G
Offers symmetrical WAN speeds of 2.304 Mbps per pair up to 9.2 Mbps over four pairs on the 4-pair HWIC (part number HWIC-4SHDSL) by bonding with IMA Version 1.1
Provides M-pair bonding on the 4-pair HWIC (HWIC-4SHDSL) using Annex F and Annex G with symmetrical WAN speeds of 768 kbps to 5.696 Mbps per pair for M = 2 and 768 kbps to 4.096 Mbps per pair for M = 3 and M = 4
Supports Wetting Current (Section A.5.3.3 of G.991.2)
Supports G.SHDSL Annex A (U.S. signaling) and Annex B (European signaling)
Supports "Dying Gasp" on HWIC-2SHDSL; uses power status bit (section 7.1.2.5.3 of G.991.2) for signaling
Offers ability to configure multiple G.SHDSL HWICs per Cisco 1841, 2800, and 3800 Router chassis
Provides toll-quality voice over data through ATM Adaptation Layer 5 (AAL5) and voice over IP (VoIP) on the Cisco 1841 ISR and the Cisco 2800 and 3800 Series ISRs; note that embedded voice services with digital signal processors, voice and fax modules are supported only on the Cisco 2800 and 3800 Series ISRs.
Offers extensive ATM class-of-service (CoS) and IP quality-of-service (QoS) support
Sustains up to 8 permanent virtual circuits (PVCs) per HWIC
Provides single RJ-11 connector on 2-pair HWIC (HWIC-2SHDSL) and single RJ-45 connector on 4-pair HWIC (HWIC-4SHDSL)
Weight: 0.22 lb
LED:
-One HWIC OK LED; four Link status LEDs (one LED per physical link pair)
-Link Status LED color coding:
-Green-Link On/Active
-Off-Link Disabled
-Blinking-Link Training/Link Alarm