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Cisco MGX 8850 Multiservice Switch Installation and Configuration
Release 1.1.31, Part Number 78-11223-03 Rev. B0, May 2005
Chapter 1 Introducing the MGX 8850
Summary of the MGX 8850 Cards and Modules
Frame Service
Module (FRSM)
Frame Service Modules
• Frame Service Module for eight T1 ports (AX-FRSM-8T1)
The AX-FRSM-8T1 provides interfaces for up to eight fractional T1 lines, each
of which can support one-56 kbps or one-Nx64 kbps FR-UNI, FR-NNI port,
ATM-FUNI, or a Frame forwarding port. The AX-FRSM-8T1 supports fractional
and unchannelized T1 port selection on a per-T1 basis.
• Frame Service Module for eight E1 ports (AX-FRSM-8E1)
The AX-FRSM-8E1 provides interfaces for up to eight fractional E1 lines, each
of which can support one-56 kbps or one-Nx64 kbps FR-UNI, FR-NNI,
ATM-FUNI, or Frame forwarding port. The AX-FRSM-8E1 supports fractional
and unchannelized E1 port selection on a per-E1 basis.
• Frame Service Module for eight channelized T1 ports (AX-FRSM-8T1-C)
The AX-FRSM-8T1-C allows full DS0 and nxDS0 channelization of the T1s and
E1s, for a maximum of 192 ports per FRSM-8T1-C. Using the FRSM-8T1-C, up
to 192 fully channelized T1 lines can be operated simultaneously on the Cisco
MGX 8850 platform.
• Frame Service Module for eight channelized E1 ports (AX-FRSM-8E1-C)
The AX-FRSM-8E1-C allows full DS0 and n x DS0 channelization of the E1s,
for a maximum of 248 ports per FRSM-8E1-C. Using the FRSM-8E1-C, up to
192 fully channelized E1 lines can be operated simultaneously on the Cisco
MGX platform.
• Frame Service Module for T3 and E3 (MGX-FRSM-2E3T3)
The MGX-FRSM-2E3/T3 provides interfaces for two-T3 or two-E3 Frame Relay
lines, each of which can support either two-T3 lines (each at 44.736 Mbps) or
two-E3 lines (each at 34.368 Mbps) FR-UNI, ATM-FUNI, or Frame Forwarding
port.
• Frame Service Module for channelized T3 (MGX-FRSM-2CT3)
The MGX-FRSM-2CT3 supports interfaces for two-T3 channelized Frame Relay
lines. Each interface supports 56 Kbps, 64 Kbps, Nx56 Kbps, Nx64 Kbps, T1
ports for a total of 256 ports that can be freely distributed across the two T3 lines.
• Frame Service Module for high speed serial (MGX-FRSM-HS1/B)
The FRSM-HS1/B supports the 12-in-1 back card. This back card supports up to
four V.35 or X.25 serial interfaces. This card also supports the two port HSSI
back cards with SCSI-2 connectors.
• Frame Service Module for unchannelized HSSI (MGX-FRSM-HS2/B)
The MGX-FRSM-HS2/B supports interfaces for two unchannelized HSSI lines.
Each interface supports approximately 51 Mbps; with both lines operating,
maximum throughput is 70 Mbps.
Table 1-3 MGX 8850 Modules and Cards (continued)
Modules Description