SIGNALLING & TELECOMMUNICATION
S&T Installations:
(A)Signaling system:
(i)Type of Interlocking:
Route | Section | Type of Station | No of Stations | Standard of Interlocking | Type of Signaling |
A | GZB-MGS | RRI | 2 | III | MACLS |
| End Panels | 4 | III | MACLS |
| Central Panels | 3 | III | MACLS |
| SSI | 70 | III | MACLS |
| Block Huts | 20 | III | MACLS |
| End Cabins | 19 | III | MACLS |
E | CAR-CPU | Central Cabins | 3 | I | MACLS |
End Cabins |
3
| I | MACLS |
Block Huts | 1 | I | MACLS |
SKB-FKD | Central Cabins | 5 | I | LQ |
ALJN-HGJ | End Cabin | 1 | III | MACLS |
Central Cabin | 1 | I | MACLS |
ETH-BRN | Ground Frame | 2 | Mod. N/I | LQ |
HRS-HRF | Ground Frame | 1 | One T/only | - |
(ii) System of Block working |
Route | Section | Type of Block Working | No of Block Sections |
A | GZB-MGS | Double Line Block Instruments | 63 |
Automatic Block Working | 44 |
Twin Single Line with Continuous Track Circuits | 1 |
Axle Counter Block Working | 10 |
E | CAR-CPU | NealsToken Instruments | 8 |
SKB-FKD | NealsTokenInstruments | 6 |
ALJN-HGJ | NealsToken Instruments | 3 |
ETH-BRN | PLC | 2 |
HRS-HRF | One Train Only System | 1 |
(B)Telecommunication:
i) Control Communication
S.No. | Route | Control Section | Communication Media |
1 | A | MGS - ALD | On Railway Owned OFC |
2 | A | ALD - CNB | On Railway Owned OFC/BSNL RE cable |
3 | A | SSL – RRH (Area CNL) | On Railway Owned OFC & U/G RE Cable. |
4 | A | CNB - TDL | On Railway Owned OFC & U/G RE Cable. |
5 | A | TDL – GZB | On Railway Owned OFC & U/G RE Cable. |
6 | E | CAR - CPU | DOT owned overhead alignment / U/G 6 Quad cable |
7 | E | SKB – FKD (Area CNL) | Railway owned U/G Quad Cable |
8 | E | ETH - BRN | Non-Controlled |
9 | E | ALJN - HGJ | Railway owned U/G RE Cable. |
ii) Telephone Exchange:
Station | Type of Exchange | Capacity | Installation Year |
MZP | Electronic Exchange | 266 ports | 2003 |
CAR | Electronic Exchange | 128 ports | 2003 |
ALD (DRM/O) | ISDN Exchange | 6000 ports | 2003 |
ALD( NCR/HQ) | ISDN Exchange | 2000 ports | 2008 |
FTP | Electronic Exchange | 256 ports | 2006 |
GMC | RLU (CNB) | 396 ports | 2011 |
CNB | ISDN Exchange | 3000 ports | 2011 |
ETW | Electronic Exchange | 128 ports | 2009 |
TDL | Electronic Exchange | 1500 ports | 2012 |
ALJN | Electronic Exchange | 320 ports | 2000 |
9.2Performance – Signal
S.No. | I T E M | TARGET(2012-2013) | Actuals |
2011-12(Up to Feb.12) | 2012-2013 (upto Feb.13) |
1 | SignalFailures | -5% | 4128 | 3785 |
2 | Signal Failures attributed to S&T | -5% | 2210 | 2206 |
3 | Overhauling of signaling gears. |
|
| a) Lever frames | 100% due(24) | 15 | 19 |
| b) Block Instt. | 100% due (29) | 30 | 35 |
| c) Shelf Relays | 100% due(696) | 896 | 929 |
4 | Station Inspection F/P Inspection | 100% due100% due | 95.50%95.50% | 100%100% |
9.3 PERFORMANCE – TELECOM
S.No. | ITEM | TARGET(2012-2013) | Actuals |
2011-12(Up to Feb 12) | 2012-2013 (upto Feb 13) |
1. | Efficiency of Railway ownedCNL circuits | | | |
| a) RE Cable | 99% | 99.05% | 98.54% |
| b) OFC | 100% | 98.78% | 99.25% |
2. | Efficiency of DOT owned CNL circuits | 98% | 100% | 100% |
9.4TRAINING - REFRESHER
SN. | Category | Actual due(2012-13) | Done Up toFeb’2012 | Done Up toFeb'2013 |
1. | SI | 38 | 32 | 12 |
2. | SM | 46 | 54 | 41 |
3. | TCI | 12 | 17 | 5 |
4. | TCM | 49 | 20 | 19 |
