Specifications

Appendix A
79
A.7.3 Installation of SFP Modules
CTC Union supplied SFP modules are of the Bale Clasp type. The bale clasp pluggable module has a bale
clasp that secures the module into the SFP cage.
A.7.3.1 Inserting a Bale Clasp SFP Module into the Cage
Step 1 Close the bale clasp upward before inserting the pluggable module.
Step 2 Line up the SFP module with the port, and slide it into the cage.
A.7.3.2 Removing a Bale Clasp SFP Module
Step 1 Open the bale clasp on the SFP module. Press the clasp downward with your index finger.
Step 2 Grasp the SFP module between your thumb and index finger and carefully remove it from the SFP cage.
Figure A.7.2 Bale Clasp type SFP with bale open
A.7.4 Provisioning by DIP (Stand-alone)
There are three DIP Switches installed on the PCBA of the E1/T1
Switch 1 provides the E1/T1 settings for framing, line coding, CRC, and clocking. Switch 2 sets the number
(nx64) of assigned active timeslots, while switch 3 configures the first or starting timeslot of the contiguous block of
assigned timeslots.