Cisco OSM-12CT3/T1 - Optical Services Module Multiplexor Support and Manuals
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Popular Cisco OSM-12CT3/T1 Manual Pages
User Guide - Page 1
... down to configure the 12-port channelized/unchannelized DS3 Optical Services Modules (OSM-12CT3/T1). Each DS3 port can support the following: • 1 DS3 at 44.7 Mbps • 21 E1s at 2.048Mbps • 28 DS1s at 1.5 Mbps • 128 DS0s at 64 Kbps An unchannelized DS3 connection provides a single serial interface data channel that may be no...
User Guide - Page 2
... E1 lines. In unchannelized DS3 mode, the OSM-12CT3/T1 supports the maintenance data link (MDL) channel when using c-bit parity framing as well as serial interfaces.
Supported Features
Chapter 7 Configuring the Channelized 12-port CT3/T1 Optical Services Modules
Table 7-1
Serial Interface Cost
Link Type
Cost
DS3
336
Unframed E1
16
1-6 DS-/TS
4
7-9 DS0/TS
6
10-16 DS0/TS...
User Guide - Page 3
... Configure the OSM-12CT3/T1 interfaces for Frame Relay as described in the Cisco IOS Wide-Area Networking Command Reference, Release 12.1 at : http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fqos_c/fqcprt4/qcfdts.h tm. OL-9465-03
Optical Services Modules Installation and Configuration Note, 12.2SR
7-3 Serial Encapsulation Protocols
The OSMs support for Frame...
User Guide - Page 4
...-3 maintenance data link (MDL) in C-bit framing.
• In T1 mode, the channelized CT3/T1 OSMs support facilities data link (FDL) in more than one logical channel group. where n is connected.
• In the channelized mode of operation, a channelized CT3/T1 OSM link can be done simultenously on 6 T1 interfaces in addition to any DS3 interfaces configured on...
User Guide - Page 5
... one logical channel is not timeslot divided. Likewise, if you assign the range of timeslots 3-7 to an E1 line, it is used . Chapter 7 Configuring the Channelized 12-port CT3/T1 Optical Services Modules
Supported Features
Fractional E1 lines contain only a single logical channel group that can be either a single 64-kbps timeslot or a range of...
User Guide - Page 6
... the T1/NxDS0 Lines, page 7-9 • Configuring the E1 Lines, page 7-10
Configuring the T3 Controller
To configure the controller, perform this URL: http://www.cisco.com/...T1 Optical Services Modules
Configure class-based marking as described in IOS, refer to the Cisco IOS Quality of Service Solutions Configuration Guide, Release 12.1 at this task:
Optical Services Modules Installation...
User Guide - Page 8
...] cablelength feet
Specifies the cable length. Default is the source of an unchannelized DS3 interface configuration:
Router# configure terminal Enter configuration commands, one per line. Step 9 Router(config-if)# [no shutdown
Enables the interface. Step 7 Router(config-if)# [no shutdown Router (config-if)# exit Router(config)#
Optical Services Modules Installation and Configuration Note...
User Guide - Page 9
The OSM-12CT3/T1 module has four framers, each of the T1 and E1 lines. Note BERT channel-groups and timeslots are also supported. Default is connected.
Router(config)# controller T3 2/0 Router(config-controller)# channelized mode t1 Router(config-controller)# CNTL/Z Router#
Configuring the T1/NxDS0 Lines
To configure T1/NxDS0 lines, perform this task:
Step 1
Step 2 Step 3
Command
Router# ...
User Guide - Page 10
... the specified T1 line. (Optional) Sets the loopback mode.
(Optional) Configures bit-error-rate (BER) testing.
Router(config)# controller T3 3/1 Router(config-controller)# t1 6 channel-group 0 timeslots 1-5, 20-23 Router(config-controller)# t1 6 framing sf Router(config-controller)# t1 6 clock source line Router(config-controller)# t1 6 loopback remote line Router(config-controller)# t1 6 bert...
User Guide - Page 11
..., one per line. End with CNTL/Z. OL-9465-03
Optical Services Modules Installation and Configuration Note, 12.2SR
7-11
Router(config)# controller slot/port
Selects the controller. Router (config-controller)# [no ] [e1 | t1] [e1 number | t1 number] bert pattern {2^11 | 2^15 | 2^20 O.153 | 2^20 QRSS | 2^23 | 0s | 1s | alt-0-1} interval [1-1440]
(Optional) Configures bit-error-rate...
User Guide - Page 12
... multilink Router(config-if)# multilink-group 1 Router(config-if)# CNTL/Z Router#
7-12
Optical Services Modules Installation and Configuration Note, 12.2SR
OL-9465-03 Figure 7-1
MLPPP Topology
Cisco 7200
Cisco 2500
T1s T1s
Cisco 7200
Cisco 7600 with OSM-12CT3/DS0
CT3
CT3
PSTN
Channelized T3 with two bundles
of four T1
Channelized T3 with MLPPP to carry two bundles of two...
User Guide - Page 13
...Services Modules Installation...config-if)# multilink-group bundle-id
Designates an interface as part of a similar size, we recommend disabling fragmentation. Disabling ...id command. Three supported fragment sizes are 128, 256, 512. slot/port/DS0 number: channel-... Chapter 7 Configuring the Channelized 12-port CT3/T1 Optical Services Modules
Configuring the Interfaces
Assigning an Interface to ...
User Guide - Page 14
... Multilink PPP Minimum Links Mandatory feature, refer to this URL:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121newft/121limit/121e/121 e11/12e_mlp.htm#xtocid0
The commands listed at this URL are all supported on the OSM-12CT3/T1. If the minimum number of links in the MLP bundle falls below...
User Guide - Page 15
Chapter 7 Configuring the Channelized 12-port CT3/T1 Optical Services Modules
Configuring the Interfaces
ppp chap hostname mul1 multilink-group 1
interface...discarded, 0 lost received, 1/255 load 0x0 received sequence, 0x0 sent sequence Member links:3 active, 0 inactive (max not set, min not set) Serial6/12/1:0, since 19:58:37, no frags rcvd 384 weight Serial6/12/2:0, since 19:58:37, no frags rcvd...
User Guide - Page 16
Configuring the Interfaces
Chapter 7 Configuring the Channelized 12-port CT3/T1 Optical Services Modules
7-16
Optical Services Modules Installation and Configuration Note, 12.2SR
OL-9465-03
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