Cisco NM-1A-OC3-POM - Atm OC3 Module Spécifications Page 8
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Connecting Cisco ATM Network Modules to the Network
ATM OC-3 Network Modules
8
Connecting Cisco ATM Network Modules to the Network
Figure 14 ATM OC-3/STM-1 Circuit Emulation Service Network Module LEDs
Hardware Compatibility with Cisco 3620 Routers
Cisco 3620 routers require a minimum PCMCIA controller revision level to recognize ATM OC-3
network modules; otherwise, an error message appears. Cisco 3620 routers installed in the field before
April 1999 contain a Revision C PCMCIA controller, which is not compatible with these modules.
Starting in April 1999, all Cisco 3620 routers shipped from the factory include Revision E PCMCIA
controllers, which are fully compatible with all three ATM OC-3 network modules.
You can identify the version of PCMCIA controller in your Cisco 3620 router by entering the show pci
hardware command in privileged EXEC mode, or by examining the part number on the motherboard.
Supported versions are shown in Table 4.
The output of the show pci hardware command looks similar to this:
Router# show pci hardware
CLPD6729 registers:
(0x00) Chip Revision = 0x82
(0x1E) Misc Control 2 = 0x08
(0x1F) Chip Information = 0xE2
LED Color Meaning
EN Green Module has passed its self-tests and is available to the
router.
RCLK Green Receive clock has been detected.
FERF Yellow Far-end receive failure.
OOF Yellow Out of frame.
AIS Yellow Alarm indication signal.
CES Green An active CES connection is established (ATM
OC-3/STM-1 circuit emulation service network
module only).
26912
AT M
1A-OC3
MM-1V
CES
VO
EN
FERF OOF AIS
RCLK
ATM 0
CES LED
FERF LED
OOF LED
AIS LED
RCLK LED
Enable LED
TX RX
Table 4 Cisco 3620 Router Versions for ATM OC-3 Network Modules
Does Not Support ATM OC-3 Supports ATM OC-3
PCMCIA controller 0x22, 0xE2 0x20, 0xE0
Motherboard 73-1850-10 and older 73-1850-11 or newer
- ATM-25 Network Module 1
- ADSL modem 2
- ATM-25 port 2
- ATM T3 and E3 Network Modules 3
- ATM OC-3 Network Modules 5
- ATM OC-3 Network Module LEDs 7
- Figure 15 Duplex SC Connector 9
- ATM OC-3 Network Modules 10
- Handling an SFP Module 11
- Removing an SFP Module 11
- Installing an SFP Module 12
- Laser Safety Guidelines 13
- SONET Distance Limitations 14
- Power Budget and Power Margin 15
- Link Loss 15
- Estimating the Power Margin 16
- Single-Mode Transmission 16
- Related Documents 17
- Guidelines 17
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