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3.3.16 TMGL8 Module (for U.S. Only)

Introduction

A central office trunk module (TMGL8) connects up to eight analog ground-start or loop-start trunks to the OfficePro.

Use Hicom Assistant E to select ground start or loop start. Ground start is the default.

Switches and LEDs

Figure 3-62 TMGL8 Module (S30810-Q2703-X) (for U.S. Only)

Switches

The TMGL8 Module has an eight-path microswitch under a flip-up cover. For each channel:

ON (right): Channel is enabled.
OFF (left): Channel is disabled; no new seizures are permitted.

LED Statuses and Their Meanings

Table 3-60 TMGL8-LED Statuses (for U.S. Only)

Status of LEDs 1-8 
Meaning 
Off 
Channel is idle, ready to use 
On 
Channel is seized 
Flashing 
Channel is deactivated  
Winking 
System software test in progress 

Cable and Connector Assignment (Backplane)

Table 3-61 TMGL8-Cable Assignment (for U.S. Only)

Pair 
Color Code 
BackplaneConnectorPins 
TMGL8 Module 
 
Pair 
Color Code 
BackplaneConnectorPins 
TMGL8 Module 
wht/blu 
26 
Port 1 
 
wht/slat 
30 
Port 5 
blu/wht 
slat/wht 
wht/ora 
27 
Port 2 
red/blu 
31 
Port 6 
ora/wht 
blu/red 
wht/grn 
28 
Port 3 
red/ora 
32 
Port 7 
grn/wht 
ora/red 
wht/brn 
29 
Port 4 
red/grn 
33 
Port 8 
brn/wht 
grn/red 

Note: Pairs 9 through 25 are not used.

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