Comtest-networks MTAS-192 METALLIC TEST ACCESS SYSTEM Manual do Utilizador descarregar pdf (Página 38)

Comtest Networks

CT-IG-MTAS192-2008-v1_8.doc

MTAS-192

Installation Guide June 2006

Step 6. On the last shelf, terminate the COMM 1 port with the ISCL terminator.

NOTE: Total ISCL bus length for the entire chain must not exceed 400 feet.

Figure 31: Daisy Chaining the ISCL Bus (Bus Terminator on COMM 1, Last Shelf)

4.2.8 Connecting MAJOR and MINOR Alarm Ports

If required, connect the female RJ-11 jack alarm ports, MAJOR and MINOR, to the

appropriate alarm block on the bay/equipment rack, per local methods and procedures.

See Appendix A, section 0: “Alarm Cabling” for Alarm Descriptions.

Figure 32: Major and Minor Alarm Ports

# # #

Master Shelf

(Chassis ID=0)

Slave Shelf

(Unique Chassis

ID=1-11)

Slave Shelf

(Unique Chassis

ID=1-11)

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Comtest-networks MTAS-192 METALLIC TEST ACCESS SYSTEM Manual do Utilizador Página 38