XCU Optical Transmission Equipment Clock And Cross Connect Module Perfect S1 Byte Processing
Clock module can provide SDH equipment with system clock in conformity of ITU-T Rec. G.813 specifications. It can also accept kinds of timing reference sources and provide 3-level clock to external. Thus SDH equipment can accommodate to various kinds of environment and perform networking flexible. Specific functions are as follows:
Abbreviation of Card Name | Slot | Quantity | Remarks |
EMU/EOW | 01 | 1 | Compulsory |
XCU | 08, 09 | 1 to 2 | At least one |
O2500 | 06, 07 | 1 to 2 | Optional |
O622 | 05, 06, 07, 0A | 1 to 4 | O622 card can provide one or two channels of optical interfaces and O622 card with double-optical interface can only be inserted in slots 06 and 07. |
O155 | 05, 06, 07, 0A | 1 to 4 | Optional. O155 card with 16 E1 (card number: 2.170.645) can only be inserted slots 05 and 0A. |
E155 | 05, 06, 07, 0A | 1 to 4 | Optional |
E4 | 05, 06, 07, 0A | 1to 4 | Optional |
E3 | 04, 05, 0A | 1 to 3 | Optional |
E1 | 02, 03, 04, 05, 0A | 1 to 5 | Optional |
ETH_4 | 02, 03, 04, 05, 0A | 1 to 5 | Optional |
ESW_4 | 02, 03, 04, 05, 0A | 1 to 5 | Optional |
ESD1 | 02, 03, 04, 05, 0A | 1 to 5 | Optional |
O8 | 04, 05, 0A | 1 to 3 | Optional |
O8E | 04, 05, 0A | 1 to 3 | Optional |
O8V | 04, 05, 0A | 1 to 3 | Optional |
D8E | 04, 05, 0A | 1 to 3 | Optional |
D8V | 04, 05, 0A | 1 to 3 | Optional |