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Chapter 2
Module and Service Descriptions
•
•
•
LED Indicators
Table 2-8
and the FRSM-HS2.
Table 2-8
Type of LED
ACT LED
STBY LED
FAIL LED
Table 2-9
Type of LED
Individual Port LEDs
MGX-FRSM-HS1/B Cabling
The cable models come from the Cisco 12-in-1 series of cables. (See Table 2-10.) Each cable can have
a male or female connector at the far end. Also, the available clock sources depend on the mode. In DTE
mode, the clock source is either line or ST (ST is a wire in the cable). For DCE, the clock source is the
front card.
See
Table 2-10 12IN1-S4 Back Card Cable Types
Cable Type
DCE
DTE
Table 2-11 Cabling and Clock Sources for the MGX-FRSM-HS1/B
Mode
DTE
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
For the MGX-SCSI2-2HSSI back card, see
For the MGX-FRSM-HS1/B front card, see
For the multifunction MGX-12IN1-S4 back card, see
supports four V.35 or four X.21 ports.
and
Table 2-9
describe the FRSM T1/E1 LED faceplate indicators for both the FRSM-HS1/B
Card Level LED Indicators for the FRSM-HS1/B and the FRSM-HS2
Color
Green
Yellow
Red
Line Level LED Indicators for the FRSM-HS1/B and the FRSM-HS2
Color
Green
Red
Yellow
Table 2-11
for the relationship between cabling and modes and
X.21
X.21 DCE
X.21 DTE
Type of Cable
DTE
Figure 2-22 on page
Figure 2-21 on page
Meaning
Active
Standby
Fail
Meaning
Active and OK
Active and Local Alarm
Active and Remote Alarm
V.35
V.35 DCE
V.35 DTE
Clock Source
Mode of Far End
line
DCE (male or female connector at far
end)
Cisco MGX 8230 Edge Concentrator Installation and Configuration
Frame Relay Service Modules
2-43.
2-42.
Figure 2-23 on page
2-44. This back card
Table 2-12
for part numbers.
2-39
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