| The shelf assembly used for ONS 15454 MSTP operation is the same shelf assembly used for ONS 15454 Multiservice Provisioning Platform (MSPP) configurations. Chapter 6, "MSPP Network Design Example: Cisco ONS 15454," covered in detail the features and functions of this shelf assembly; the information is repeated here for convenience. The ONS 15454 shelf assembly is a 17-slot chassis with an integrated fan tray, rear electrical terminations, and front optical, Ethernet, and management connections. Slots 16 and 1217 are used for traffic interface cards; Slots 711 are reserved for common control cards. Slots 16, on the left side as you face the front of the shelf, are considered Side A; while Slots 1217 are considered Side B. Table 9-1 summarizes the card slot functions for the ONS 15454 shelf assembly when it is used for MSTP configurations. Table 9-1. ONS 15454 Shelf Assembly Slot FunctionsSlot Number | Shelf Side | MSTP Interface Card Function(s) |
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1 | A | OSC-CSM,32 MUX-0, 32 WSS, 32 DMX-0, 32 DMX, 4MD-xx.x, AD-1B.xx.x, AD-4B.xx.x, AD-1C-xx.x, AD-2C-xx.x, AD-4C-xx.x, MR/P-L1-xx.x, 10E-L1-xx.x, 10ME-xx.x, DM/P-L1-xx.x, OPT-PRE, and OPT-BST/E | 2 | A | OSC-CSM,32 MUX-0, 32 WSS, 32 DMX-0, 32 DMX, 4MD-xx.x, AD-1B.xx.x, AD-4B.xx.x, AD-1C-xx.x, AD-2C-xx.x, AD-4C-xx.x, MR/P-L1-xx.x, 10E-L1-xx.x, 10ME-xx.x, DM/P-L1-xx.x, OPT-PRE, and OPT-BST/E | 3 | A | OSC-CSM,32 MUX-0, 32 WSS, 32 DMX-0, 32 DMX, 4MD-xx.x, AD-1B.xx.x, AD-4B.xx.x, AD-1C-xx.x, AD-2C-xx.x, AD-4C-xx.x, MR/P-L1-xx.x, 10E-L1-xx.x, 10ME-xx.x, DM/P-L1-xx.x, OPT-PRE, and OPT-BST/E | 4 | A | OSC-CSM,32 MUX-0, 32 WSS, 32 DMX-0, 32 DMX, 4MD-xx.x, AD-1B.xx.x, AD-4B.xx.x, AD-1C-xx.x, AD-2C-xx.x, AD-4C-xx.x, MR/P-L1-xx.x, 10E-L1-xx.x, 10ME-xx.x, DM/P-L1-xx.x, OPT-PRE, and OPT-BST/E | 5 | A | OSC-CSM,32 MUX-0, 32 WSS, 32 DMX-0, 32 DMX, 4MD-xx.x, AD-1B.xx.x, AD-4B.xx.x, AD-1C-xx.x, AD-2C-xx.x, AD-4C-xx.x, MR/P-L1-xx.x, 10E-L1-xx.x, 10ME-xx.x, DM/P-L1-xx.x, OPT-PRE, and OPT-BST/E | 6 | A | OSC-CSM, 32 DMX, 4MD-xx.x, AD-1B.xx.x, AD-4B.xx.x, AD-1C-xx.x, AD-2C-xx.x, AD-4C-xx.x, MR/P-L1-xx.x, 10E-L1-xx.x, 10ME-xx.x, DM/P-L1-xx.x, OPT-PRE, and OPT-BST/E | 7 | | TCC | 8 | | OSCM | 9 | | AIC | 10 | | OSCM | 11 | | TCC | 12 | B | OSC-CSM,32 MUX-0, 32 WSS, 32 DMX-0, 32 DMX, 4MD-xx.x, AD-1B.xx.x, AD-4B.xx.x, AD-1C-xx.x, AD-2C-xx.x, AD-4C-xx.x, MR/P-L1-xx.x, 10E-L1-xx.x, 10ME-xx.x, DM/P-L1-xx.x, OPT-PRE, and OPT-BST/E | 13 | B | OSC-CSM,32 MUX-0, 32 WSS, 32 DMX-0, 32 DMX, 4MD-xx.x, AD-1B.xx.x, AD-4B.xx.x, AD-1C-xx.x, AD-2C-xx.x, AD-4C-xx.x, MR/P-L1-xx.x, 10E-L1-xx.x, 10ME-xx.x, DM/P-L1-xx.x, OPT-PRE, and OPT-BST/E | 14 | B | OSC-CSM,32 MUX-0, 32 WSS, 32 DMX-0, 32 DMX, 4MD-xx.x, AD-1B.xx.x, AD-4B.xx.x, AD-1C-xx.x, AD-2C-xx.x, AD-4C-xx.x, MR/P-L1-xx.x, 10E-L1-xx.x, 10ME-xx.x, DM/P-L1-xx.x, OPT-PRE, and OPT-BST/E | 15 | B | OSC-CSM,32 MUX-0, 32 WSS, 32 DMX-0, 32 DMX, 4MD-xx.x, AD-1B.xx.x, AD-4B.xx.x, AD-1C-xx.x, AD-2C-xx.x, AD-4C-xx.x, MR/P-L1-xx.x, 10E-L1-xx.x, 10ME-xx.x, DM/P-L1-xx.x, OPT-PRE, and OPT-BST/E | 16 | B | OSC-CSM,32 MUX-0, 32 WSS, 32 DMX-0, 32 DMX, 4MD-xx.x, AD-1B.xx.x, AD-4B.xx.x, AD-1C-xx.x, AD-2C-xx.x, AD-4C-xx.x, MR/P-L1-xx.x, 10E-L1-xx.x, 10ME-xx.x, DM/P-L1-xx.x, OPT-PRE, and OPT-BST/E | 17 | B | OSC-CSM, 32 DMX, 4MD-xx.x, AD-1B.xx.x, AD-4B.xx.x, AD-1C-xx.x, AD-2C-xx.x, AD-4C-xx.x, MR/P-L1-xx.x, 10E-L1-xx.x, 10ME-xx.x, DM/P-L1-xx.x, OPT-PRE, and OPT-BST/E |
ONS 15454 Shelf Assembly Backplane Interfaces Backplane interfaces of the ONS 15454 chassis can be divided into four general areas: Power terminal area Alarm and chassis ground area Side A Electrical Interface Assembly Side B Electrical Interface Assembly
Figure 9-1 shows the location of each of these areas as you face the rear of the shelf assembly. Electrical Interface Assemblies (EIAs) are required for terminating electrical traffic signals, such as DS1s and DS3s, on the shelf. EIAs are not required for MSTP operation. Figure 9-1. ONS 15454 Backplane Interfaces 
The power terminal area consists of four power terminal screws on the lower left side. The RET1/BAT1 terminals are for the A power connection; the RET2/BAT2 terminals are for the B connection. These connections are redundant, and either can power the entire shelf. The A and B designations do not refer to the A and B sides of the shelf. The alarm and chassis ground area is located in the rear of the chassis on the lower right side and has the following terminations: Frame ground terminals Two terminals with kepnuts are provided for ground-wire lug connection. This connection ensures that the shelf assembly is at the same electrical potential with the office ground. BITS (Building Integrated Timing Supply) This consists of four wire-wrap pin pairs for connection to a BITS or for wiring out to external equipment when the BITS-Out feature is used to supply timing from the ONS 15454. LAN (Local-area network) A LAN connects the MSPP node to a management work-station or network. It consists of four wire-wrap pin pairs; typically, two pairs are used. Environmental alarms Sixteen wire-wrap pin pairs are provided for external alarms and controls. The Alarm Interface Controller card, covered later in this chapter, is required to use these connections. ACO Alarm cutoff, a wire-wrap pin pair that is used to deactivate the audible alarms caused by the contact closures on the shelf backplane. This operation is described in the "Timing, Communications, and Control Cards" section, later in this chapter. Modem Four pairs of wire-wrap pins are provided for connecting the ONS 15454 to a modem for remote management. Craft Two wire-wrap pin pairs are provided for a TL1 craft-management connection. VT100 emulation software is used to communicate with the system by way of this connection. Local alarms Eight wire-wrap pin pairs are used for Critical, Major, Minor, and Remote audible and visual alarms.
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